On Buds and StipulesK. Paul, Trench, Trübner & Company, Limited, 1899 - 239 pagini |
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Pagina 24
... are even more minute , as in the Holly ( Ilex Aquifolium ) ( fig . 29 ) . Here they are perhaps functionless ; the mere rudiments of once larger organs . In other cases , however , as for instance in 24 BUDS AND STIPULES.
... are even more minute , as in the Holly ( Ilex Aquifolium ) ( fig . 29 ) . Here they are perhaps functionless ; the mere rudiments of once larger organs . In other cases , however , as for instance in 24 BUDS AND STIPULES.
Pagina 43
... larger organ which at one time performed some useful pur- pose in the economy of the animal or plant . This suggestion , however , seems untenable in the present case , because , as a matter of fact , we do not find that the stipuliform ...
... larger organ which at one time performed some useful pur- pose in the economy of the animal or plant . This suggestion , however , seems untenable in the present case , because , as a matter of fact , we do not find that the stipuliform ...
Pagina 48
... larger in proportion than in the full - grown leaf . COMMON LAurel The subjoined figures illustrate the structure of the bud of a Common Laurel ( Cerasus Laurocerasus ) . Here again the leaf commences as a small projection or 48 BUDS ...
... larger in proportion than in the full - grown leaf . COMMON LAurel The subjoined figures illustrate the structure of the bud of a Common Laurel ( Cerasus Laurocerasus ) . Here again the leaf commences as a small projection or 48 BUDS ...
Pagina 50
... larger one becoming rather more ( fig . 70 ) , the shorter one rather less , than double as long as the leaf - blade . Then comes a some- what abrupt transition , and the outer scales do not , of course , correspond to stages in the ...
... larger one becoming rather more ( fig . 70 ) , the shorter one rather less , than double as long as the leaf - blade . Then comes a some- what abrupt transition , and the outer scales do not , of course , correspond to stages in the ...
Pagina 55
... larger , and rounded at the apex , or occasionally emarginate by the breaking away of the tip , and more or less strongly carinate . The ^ 89 90 91 92 93 94 BUD - SCALES OF ROSA CANINA , × 2 . FIG . 89 , first scale ; FIG . 90 , third ...
... larger , and rounded at the apex , or occasionally emarginate by the breaking away of the tip , and more or less strongly carinate . The ^ 89 90 91 92 93 94 BUD - SCALES OF ROSA CANINA , × 2 . FIG . 89 , first scale ; FIG . 90 , third ...
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Termeni și expresii frecvente
apex axil axillary buds axis base become Beech blade brown bud fig bud is protected bud-scales catkin ciliate completely covered concave conduplicate connate stipules cotyledons developed edges Edition fifth folded fourth genera glabrous glands glandular growing-point growth Guaiacum officinale hairs hairy Helianthemum Hornbeam Horse Chestnut inserted instance lamina lateral buds Lathyrus Lathyrus Aphaca Lathyrus Nissolia leaf leaf-base leaf-blade leaf-stalk leaflets leaves and stipules Leguminosa length less lobes lower membranous midrib Monocotyledons narrower nerves node oblong ocrea Opulus outer scales ovate pair of leaves pair of stipules pairs of scales pedestal persistent petiole PLANE Platanus plant Polygonum portion protect the bud protect the young scale fig scar sheath showing side silky sixth slightly smaller sometimes species spines stem stipular stipules belonging stipules fig subulate tendrils terminal bud trees triangular unequal upper Viburnum Viburnum Lantana Viburnum Opulus Whitebeam winter winter-bud Wych Elm young leaves
Pasaje populare
Pagina 233 - Prontenex, the owner stated that for years they followed the same order of succession at both epochs : those which were first to leaf were also the earliest to lose their leaves. A Chestnut in the gardens of the Tuileries from its habit of early leafing is known as the Vingt Mars ; and M. Henri Vilmorin states that, compared with the other Chestnuts in the gardens, it keeps its leaves beyond the mean time of leaf-fall. M. Vilmorin also observed thirty-four Horse Chestnuts, 150 years old, in a plantation...