On Buds and StipulesK. Paul, Trench, Trübner & Company, Limited, 1899 - 239 pagini |
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Pagina 1
... from insects and browsing quadrupeds by gummy or resinous secretions . The bud is a short shoot bearing a number of young leaves closely packed together . There is generally one B at the summit of each twig and in the axil CHAPTER I ON ...
... from insects and browsing quadrupeds by gummy or resinous secretions . The bud is a short shoot bearing a number of young leaves closely packed together . There is generally one B at the summit of each twig and in the axil CHAPTER I ON ...
Pagina 15
... short and incorrect abstract , and not having taken the trouble to refer to the original paper , he mis- understood my view , as M. Devaux pointed out at the 6 . St 6 .. St 5 B 7 St 5 3 A с FIG . 18. - ARRANGEMENT OF YOUNG LEAVES OF ...
... short and incorrect abstract , and not having taken the trouble to refer to the original paper , he mis- understood my view , as M. Devaux pointed out at the 6 . St 6 .. St 5 B 7 St 5 3 A с FIG . 18. - ARRANGEMENT OF YOUNG LEAVES OF ...
Pagina 39
... . The petiole of the lower leaves also sometimes shows short teeth at its upper end , which also probably represent the last trace of stipules . Among the Magnoliacea , some genera have stipules , while ON STIPULES 39.
... . The petiole of the lower leaves also sometimes shows short teeth at its upper end , which also probably represent the last trace of stipules . Among the Magnoliacea , some genera have stipules , while ON STIPULES 39.
Pagina 46
... projection immediately below the growing - point of the shoot ( fig . 58 ) . It continues to grow at its apex for a short time only , its develop- ment being completed by growth in a zone of cells. 46 BUDS AND STIPULES.
... projection immediately below the growing - point of the shoot ( fig . 58 ) . It continues to grow at its apex for a short time only , its develop- ment being completed by growth in a zone of cells. 46 BUDS AND STIPULES.
Pagina 72
... short , subulate spines ; L ' , L ' , more perfect leaves on the same lateral shoot . erect , closely applied , and very short , but when fully developed they become hard , spiny , and diverging . Their foliar nature is further ...
... short , subulate spines ; L ' , L ' , more perfect leaves on the same lateral shoot . erect , closely applied , and very short , but when fully developed they become hard , spiny , and diverging . Their foliar nature is further ...
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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...