On Buds and StipulesK. Paul, Trench, Trübner & Company, Limited, 1899 - 239 pagini |
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Pagina 33
... occur not only in Spergula and Spergularia , which are now generally considered as belonging to the Caryo- phyllaceae ( though certain botanists regard them as con- D stituting a separate family ) , but also in most ON STIPULES 33.
... occur not only in Spergula and Spergularia , which are now generally considered as belonging to the Caryo- phyllaceae ( though certain botanists regard them as con- D stituting a separate family ) , but also in most ON STIPULES 33.
Pagina 36
... occur . Helianthemum guttatum is particularly interesting in this respect . The upper leaves have stipules , while the lower ones have none . Now the lower leaves have broad leaf - bases , which effectually protect the bud , and they ...
... occur . Helianthemum guttatum is particularly interesting in this respect . The upper leaves have stipules , while the lower ones have none . Now the lower leaves have broad leaf - bases , which effectually protect the bud , and they ...
Pagina 43
... occur there seems no reason why they should be situated on filiform appendages . On the whole , then , I doubt whether they can be explained as mere honey - glands , or whether , indeed , they are of any actual use when the leaves are ...
... occur there seems no reason why they should be situated on filiform appendages . On the whole , then , I doubt whether they can be explained as mere honey - glands , or whether , indeed , they are of any actual use when the leaves are ...
Pagina 45
... occur in V. Lantana . In support of the above suggestions I may refer to the interesting analogy afforded - in a totally different family - by the genus Spiraea . Here we find some species with entire , some with pinnate leaves ; while ...
... occur in V. Lantana . In support of the above suggestions I may refer to the interesting analogy afforded - in a totally different family - by the genus Spiraea . Here we find some species with entire , some with pinnate leaves ; while ...
Pagina 54
... occur in many Sc4 Sc Sc3 Sc2 Sc5 FIG . 88. - SECTION ACROSS THE BUD OF A ROSE . A , growing - point ; L ' , youngest leaf ; L2 , three folded lobes of second leaf ; St2 , stipules of second leaf ; Sc1 - Sc ' , scales . other cases , as ...
... occur in many Sc4 Sc Sc3 Sc2 Sc5 FIG . 88. - SECTION ACROSS THE BUD OF A ROSE . A , growing - point ; L ' , youngest leaf ; L2 , three folded lobes of second leaf ; St2 , stipules of second leaf ; Sc1 - Sc ' , scales . other cases , as ...
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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
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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...