On Buds and StipulesK. Paul, Trench, Trübner & Company, Limited, 1899 - 239 pagini |
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Pagina 30
... pedestal or persistent base of petiole . St ++ St FIG . 39 . FIG . 40 . PORTION OF SHOOT OF ASTRAGALUS CHINENSIS , showing stipules ( St ) connate at the base . Nat . size . FIG . 39. - Front view . FIG . 40. - Side view . Two leaflets ...
... pedestal or persistent base of petiole . St ++ St FIG . 39 . FIG . 40 . PORTION OF SHOOT OF ASTRAGALUS CHINENSIS , showing stipules ( St ) connate at the base . Nat . size . FIG . 39. - Front view . FIG . 40. - Side view . Two leaflets ...
Pagina 75
... pedestal . . B P " FIG . 113. - SOPHORA JAPONICA . Nat . size . Two nodes of a stem , the lower showing the base of the petiole ( P ' ) with the small round scar of the fallen stipule . In vertical section above , the upper node showing ...
... pedestal . . B P " FIG . 113. - SOPHORA JAPONICA . Nat . size . Two nodes of a stem , the lower showing the base of the petiole ( P ' ) with the small round scar of the fallen stipule . In vertical section above , the upper node showing ...
Pagina 79
... aa shows the line along which the leaf L will detach itself , leaving a pedestal , which completely protects the bud , by the growth of which it is eventually pushed off . Intrapetiolar buds also occur in ON THE PROTECTION OF BUDS 79.
... aa shows the line along which the leaf L will detach itself , leaving a pedestal , which completely protects the bud , by the growth of which it is eventually pushed off . Intrapetiolar buds also occur in ON THE PROTECTION OF BUDS 79.
Pagina 81
... pedestal of the fallen leaf ; nat . size . B , bud ; P , persistent pedestal of leaf . In Spartium junceum ( figs . 123 , 124 ) there are no stipules , but the bud is protected by the enlarged , concave , persistent pedestals of the ...
... pedestal of the fallen leaf ; nat . size . B , bud ; P , persistent pedestal of leaf . In Spartium junceum ( figs . 123 , 124 ) there are no stipules , but the bud is protected by the enlarged , concave , persistent pedestals of the ...
Pagina 82
... pedestal of the leaf . The winter - bud is also protected by scales , consisting of reduced leaves , on which the stipules are scarcely perceptible . In Genista antarctica and G. sagittalis the stipules are similar but even more minute ...
... pedestal of the leaf . The winter - bud is also protected by scales , consisting of reduced leaves , on which the stipules are scarcely perceptible . In Genista antarctica and G. sagittalis the stipules are similar but even more minute ...
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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...