to them in number. The ovule pendulous, and the embryo inverted. The leaves smooth. (1691.)

(5609.) HERNANDIACEÆ. LAUR. AFF. Juss. HERNANDIEE, Blume. GEN. RULE. Monochlamydeous angiospermous dicotyledons, with involucellate (often separate) flowers; an inferior, tubular, deciduous calyx; definite perigynous stamens, superior 1-celled germen, with solitary, pendulous, exalbuminous seeds, and the embryo with lobed cotyledons. (1683.)

(5610.) MYRISTICACEE. LAUR. AFF. Juss. MYRISTICEE, Brown. GEN. RULE. Monochlamydeous angiospermous dicotyledons, with diœcious flowers; a trifid valvate calyx, definite monadelphous stamens, a superior 1-celled ovary, with a solitary erect seed, furnished with an arillus and ruminated albumen. (1676.)

(5611.) LAURACEE. HOLORACEA, n Lin. LAURI, Juss. LAURINEE, Vent., &c.

GEN. RULE. Monochlamydeous angiospermous dicotyledons, with united flowers, an inferior calyx, imbricate in æstivation, definite, perigynous, discrete stamens, the anthers dehiscent by recurved valves, the ovary superior, ovules solitary and pendulous, and the seeds exalbuminous and exarillate. (1663.)

(5612.) CASSYTHIDE.

GEN. RULE. Ib. Stems leafless and herbaceous, and secretions insipid. (1667.)

(5613.) LAURIDE.

GEN. RULE. Ib. Stems leafy and arborescent, and the secretions aromatic. (1666.)

URTICINE.

(5614.) SYN. SCABRIDE, Lin. URTICA, Juss.

GEN. RULE. Apetalous angiospermous dicotyledons, with usually separated flowers, amentaceous or subamentiform inflorescence, superior germen, and solitary albuminous seeds. (1585.)

(5615.) EXCEPTION. Flowers sometimes united.

(5616.) MONIMIACEE. MONIMIEE, Juss. ATHEROSPERMEÆ, Brown. GEN. RULE. Apetalous angiospermous dicotyledons, with sessile involucrate flowers, indefinite perigynous stamens, anthers dehiscent lengthwise, carpels several and superior, seeds solitary, and with abundant albumen. (1655.)

(5617.) ATHEROSPERMIDE. ATHEROSPERMEÆ, Brown.

GEN. RULE. Ib. The anthers dehiscent by recurved valves, and the ovule erect, and the radicle inferior. (1659.)

(5618.) AMBORIDE. MONIMIEE (part of), Juss.

GEN. RULE. Ib. The anthers debiscing by a simple chink, the seeds pendulous, and the radicle superior. (1658.)

(5619.) DATISCACEE. MISCELLANEE, a Lin. DATISCEE, Brown. GEN. RULE. Monochlamydeous angiospermous dicotyledons, with regular flowers; the germen inferior, 1-celled, with parietal placenta and indefinite ovules. The fruit capsular and hiant at the apex, the seeds many, with a finely reticulated testa, fleshy albumen, and straight embryo. (1652.)

(5620.) URTICACEE. SCABRIDE (part), Lin. URTICEÆ (part), Juss. URTICEA, De Cand. Do. including CENOSANTHEE et CANNABINE, Blume, with LACISTEMEE, Mart.

GEN. RULE. Monochlamydeous angiospermous dicotyledons, with an amentaceous inflorescence, definite stamens, germen superior, 1-celled, and mostly

1-seeded, albumen in general present, and the radicle superior. Leaves alternate and stipulate; not lactescent. (1631.)

(5621.) EXCEPTIONS. Albumen sometimes wanting in the Urticide and Cannabidæ.

(5622.) LACISTEMIDE. URTICEÆ (part of ), Auct. LACISTEMEA, Martius. GEN. RULE. Ib. The stamens hypogynous and unilateral, with a thick 2-lobed connectivum, and anthers dehiscing transversely, ovules many, fruit capsular and dehiscent, seed in general solitary by abortion, pendulous, arillate, and albuminous. (1636.)

(5623.) CANNABIDE. CANNABINE, Blume, Bartl., &c.

GEN. RULE. Ib. The stamens perigynous, opposite the sepals, straight in æstivation, and not irritable; the embryo curved or spiral; fruit indehiscent. (1635.)

(5624.) URTICIDE. URTICEÆ VERE, Bartl., &c.

GEN. RULE. Ib. The stamens perigynous, opposite the sepals, induplicate in æstivation, and irritable; fruit indehiscent, and the embryo straight. (1634.)

(5625.) PLATANACEE. SCABRIDE (part of), Juss. ARTOCARPEE, De Cand.

GEN. RULE. Apetalous angiospermous dicotyledons, with congested subamentaceous (seldom solitary) flowers; definite stamens, germen free or but slightly adherent, imbedded in a fleshy receptacle or invested by the persistent calyx, the seed solitary, pendulous and albuminous, and the embryo mostly curved. The leaves are alternate and stipulate. (1590.)

(5626.) EXCEPTION. In the Antiaride the flowers are solitary. The albumen is sometimes absent.

GEN. RULE. Ib. The flowers solitary and monochlamydeous, the nuts invested by the persistent bracteæ, sap milky. (1596.)

(5628.) ARTOCARPIDE. ARTOCARPEE, Brown. ARTOCARPEÆ et PHOLEOSANTHEÆ, Blume. SYcOIDEE, Link.

GEN. RULE. Flowers congested and monochlamydeous, lactescent. (1595.) (5629.) PLATANIDE. URTICE (part of), Juss. ARTOCARPEÆ (part of), De Cand.

GEN. RULE. Flowers monandrous, separate, achlamydeous and congested, non-lactescent. (1594.)

(5630.) STILAGINACEE. STILAGINEE, Agardh.

GEN. RULE. Monochlamydeous angiospermous dicotyledons, with a spicate inflorescence, separated flowers, definite stamens, the anthers dehiscing transversely, ovarium superior, with definite collateral pendulous ovules, fruit drupaceous, with a solitary suspended seed, and a green foliaceous embryo placed in the midst of fleshy albumen. (1586.)

(5631.) SYN.

Bartl., &c.

ULMINE.

SCABRIDE (part of), Lin. AMENTACEE (part), Juss.,

GEN. RULE. Mono- or sub-dichlamydeous angiospermous dicotyledons, the inflorescence subamentiform, the flowers united, the stamens definite, the germen free, and the seeds solitary and exalbuminous. Leaves simple and alternate. (1570.)

(5632.) EXCEPTIONS. Petaloid or scale-like processes (? barren filaments) are developed in the Chailletiaceæ and Aquilariacea, and in the Ulmacea the flowers are sometimes polygamous.

(5633.) AQUILARIACEÆ. AQUILARINEE, Brown.

GEN. RULE. Monochlamydeous angiospermous dicotyledons, with definite monadelphous stamens, 10 fertile and 10 barren or scale-like, the ovarium supe

rior, 1-2-celled, with 2 suspended ovules; the seed solitary, erect (?) appendiculate and exalbuminous; leaves simple and exstipulate. (1581.)

(5634.) CHAILLETIACEÆ, De Cand. CHAILLETIEÆ, Brown.

GEN. RULE. Sub-dichlamydeous angiospermous dicotyledons, with definite perigynous stamens, 5 fertile and 5 barren and petaloid; the ovarium superior, 2-3-celled, ovules twin and pendulous, seeds solitary, pendulous and exalbuminous, cotyledons thick; leaves simple, alternate and stipulate. (1578.)

(5635.) ULMACEE, Mirb. CELTIDEE, Rich., &c.

GEN. RULE. Monochlamydeous angiospermous dicotyledons, with definite perigynous stamens, all fertile, superior 2-celled germen, and solitary pendulous exalbuminous seeds; the cotyledons foliaceous, and the leaves simple, alternate, serrate and stipulate.

(1573.)

QUERCINE.

(5636.) SYN. NUCIFERA, LANIGERE et JULIFERE, Ray. AMENTACE, Lin., Juss., &c.

GEN. RULE.

Apetalous angiospermous dicotyledons, with amentaceous

separated flowers and exalbuminous seeds. (1510.)

CORYLIANE.

(5637.) GEN. RULE. Ib. The germen being inferior.

(5638.) JUGLANDACEE. NUCIFERA (part of), Ray. JUGLANDE, De Cand.

GEN. RULE. Monochlamydeous angiospermous dicotyledons, with separated flowers, the stamineous ones in aments, stamens hypogynous, definite or indefinite, germen inferior 1-celled, the ovule solitary and erect, the seed exalbuminous with wrinkled cotyledons. Leaves alternate, pinnate, impunctate and exstipulate. (1563-4.)

(5639.) EXCEPTIONS. Petals sometimes developed in the pistilline flowers.

(5640.) CORYLACEE, Mirb. NUCIFERA (part of), Ray. CUPULIFERE, Rich. QUERCINEÆ, Juss.

GEN. RULE. Monochlamydeous angiospermous dicotyledons, with separated flowers, the stamineous ones in aments, the pistilline in cupules; the ovarium inferior 1-celled, seeds definite, pendulous and exalbuminous, with smooth cotyledons. Leaves alternate and stipulate, with costomarginal ribs.

BETULIANÆ.

(5641.) GEN. RULE. Ib. (5636.) The germen being free.

(5642.) BETULACEE, Bartl. CONIFERE NON RESINIFERE, Ray. AMENTACEE (part of), Lin. and Juss. BETULINEE, Rich.

GEN. RULE. Apetalous angiospermous dicotyledons, with monœcious strobiliform flowers, a free 2-celled germen, with definite pendulous ovules, the fruit 1-celled, and the seeds pendulous and exalbuminous, with downless solitary testæ. Leaves simple and alternate, with costomarginal ribs and deciduous stipules. (1534.)

(5643.) Obs. The flowers are usually achlamydeous, but in the stamineous ones a calyx is sometimes developed.

(5644.) SALICACEE. LANIGERE, Ray. AMENTACEA (part of), Lin. and Juss. SALICINEE, Rich.

GEN. RULE. Achlamydeous angiospermous dicotyledons, with monœcious or dioecious flowers and amentiform inflorescence, a superior 1-2-celled germen, with multiovulate parietal placenta. The seeds many, exalbuminous and comose; the leaves simple and alternate, with deliquescent costules and persistent or deciduous stipules. (1522.)

(5645.) MYRICACEE. CONIFERÆ (part of), Ray. AMENTACEA (part), Lin., Juss., &c.

GEN. RULE. Achlamydeous angiospermous dicotyledons, with separate flowers, amentaceous or strobiliform inflorescence, free 1-celled ovarium, with solitary erect exalbuminous seeds. The branches exarticulate, and the leaves simple and alternate. (1517.)

(5646.) CASUARINACEÆ, AMENTACEIS AFF., Juss., CASUARINEÆ, Mirb. GEN. RULE. Achlamydeous angiospermous dicotyledons, with separate flowers, strobiliform inflorescence, superior 1-celled ovarium and solitary erect exalbuminous seeds. The branches articulate, vaginate and leafless. (1511.)

(5647.) Obs. It is questionable whether the 4-valved envelope in the Casuarina should be considered an involucrum or a calyx. Between the pericarp and the testa Brown has noticed a stratum of spiral vessels.

PINEALES.

(5648.) SYN. CONIFERE, Ray, Lin., Juss., &c.

GEN. RULE. Gymnospermous exogene with branched stems, simple leaves, linear costules, non-gyrate vernation, and resinous juices. (1400.)

(5649.) TAXINE. TAXACE. BACCIFERE (part), Ray. CONIFERÆ (part), Juss., De Cand., &c.

GEN. RULE. Ib. The pistilline flowers being distinct, and the fruit a taxule, i. e. the solitary seed invested by a succulent scale. (1405.)

(5650.) CUPRESSINÆ. THUJACEÆ. BACCIFERE (part), Ray. CONIFERÆ (part), Lin., Juss., &c.

GEN. RULE. Ib. The pistilline flowers being congested and erect, and the fruit a galbule. (1404.)

(5651.) ABIETINE. PINACEA.

GEN. RULE. Ib. The pistilline flowers being congested and reversed, and the fruit a strobile or true scaly cone. (1403.)

ZAMIALES.

(5652.) CYCADINE. CYCADACEE. CYCADEA, Rich. FILICIBUS AFF., Lin. FILICES, Juss.

GEN. RULE. Gymnospermous exogenæ, with simple stems, rarely developing more than a single bud; divided leaves, gyrate vernation, and mucilaginous secretions, (1393, &c.)

MUSALES.

GEN. RULE. Flowering endogenæ or monocotyledons, with a corollaceous perianth and inferior germen. (1206.)

(5653.) EXCEPTIONS. In the Tillandside of the Bromeliacea the

germen is superior.

HYDROCHARINE.

(5654.) SYN. PALME, B. Lin. HYDROCHARIDES, Juss. HYDROCHARIDEÆ, Brown.

GEN. RULE. Aquatic monocotyledons, with a tripetaloid perianth, indefinite or definite free stamens, an inferior ovarium, exalbuminous seeds, and the embryo straight, with an inferior radicle. (1297-9.)

(5655.) VALLISNERIACEÆ, Link.

Fruit cap

GEN. RULE. Ib. The flowers being diœcious, the stamineous ones with a synpetalous corolla, and the pistilline ones with the petals distinct. sular, and 1-celled, with many-seeded parietal placenta.

(5656.) HYDROCHARACEÆ.

(1303-6.)

GEN. RULE. Ib. Petals discrete, fruit a coriaceous capsule (not baccate), and the leaves with parallel and transverse veins. (1302.)

(5857.) STRATIOTACEE. STRATIOTEE, Link.

GEN. RULE. Ib. Flowers apopetalous and spathaceous, calyx tubular, fruit a berry. Leaves with parallel veins, and sheathing at the base. (1301.) ORCHIDINE.

(5658.) BULBOSIS AFF., Ray. ORCHIDEE, Lin. ORCHIDES, Juss.

GEN. RULE. Labiate petaloid monocotyledons, with an inferior twisted germen, gynandrous stamens and albuminous seeds. (1273.)

(5659.) ORCHIDACEE. ORCHIDEE VERE, Auct.

GEN. RULE. Ib. The stamen single and median, the germen 1-celled, with

3 parietal placentæ. (1281.)

(5660.) Obs. The leaves are sometimes articulated with the stem.

(5661.) CYPRIPEDIACEÆ.

GEN. RULE. Ib. The stamens 2 and lateral, the germen 1-celled, with 3 parietal placentæ. (1282.)

(5662.) APOSTASIACEE.

GEN. RULE. 3-celled. (1383.) (5663.)

The stamens 2 or 3, the anthers discrete, and the germen

SCITAMINE.

GEN. RULE. Flowering endogenæ or monocotyledons, with an inferior germen, tri- or hexa-petaloid perianths, central placenta, albuminous seeds, and penninerved leaves. (1254.)

(5664.) MARANTACEÆ.

MARANTEE OF CANNE, Brown. CANNACEE,

Agardh. CANNÆ (part of), Juss. SCITAMINEE (part of), Lin.

GEN. RULE. Tripetaloid endogenæ, with an inferior germen, monandrous flowers, the single fertile stamen lateral, and the anther 1-celled; the leaves penninerved. (1270.)

(5665.) Obs. The ovary is in general 3-celled and several-seeded, but in Thalia it is 1-celled and 1-seeded.

(5666.) ZINGIBERACEE, Rich. CANNE (part of), Juss. AMOMEE, Rich. DRYMYRRHIZEE, Vent. SCITAMINEE (part of), Lin. SCITAMINEE, Brown. ALPINIACER, Link.

GEN. RULE. Tripetaloid endogenæ, with an inferior germen, monandrous flowers, the single fertile stamen being median, and the anthers 2-celled; the leaves penninerved.

(1264.)

(5667.) Obs. In Globba the ovarium is 1-celled, with 3 parietal placentæ; in Hellenia abnormis the ovary is 1-celled and 1-seeded.

(5668.) MUSACEÆ, De Cand., Agardh., &c. SCITAMINEE (part of), Lin. MUSEA, Juss.

GEN. RULE. Hexapetaloid endogenæ, with an inferior ovarium, pent- or hex-androus flowers; the leaves penninerved. (1263.)

(5669) Obs. The plane of the leaf is sometimes abortive in Strelitzia; and in Heliconia the ovules are solitary.

NARCISSINÆ.

(5670.) GEN. RULE. Flowering endogenæ or monocotyledons, with an inferior germen, tri- or hexa-petaloid perianths, central placenta and albuminous seeds; the leaves are nervo-striated. (1219.)

(5671.) EXCEPTIONS. The ovarium is superior in the Tillandside, and in Wachendorfia of the Haemodorida.

(5672.) IRIDACEÆ.

Brown, &c.

ENSATE, Lin. IRIDES, Juss. IRIDEE, Gawler,

GEN. RULE. Hexapetaloid endogenæ, with triandrous flowers and extrorse