On Buds and StipulesK. Paul, Trench, Trübner & Company, Limited, 1899 - 239 pagini |
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Pagina 9
... scar , left by the true terminal bud , which has dropped away , so that the one which is apparently terminal is really axil- lary . Fig . 11 represents the end of a shoot of Hornbeam ( Carpinus Betulus ) , taken in July , and shows how ...
... scar , left by the true terminal bud , which has dropped away , so that the one which is apparently terminal is really axil- lary . Fig . 11 represents the end of a shoot of Hornbeam ( Carpinus Betulus ) , taken in July , and shows how ...
Pagina 28
... scar of fallen leaf ; g , gland above the bud . FIG . 34 .-- ROBINIA PSEUDACACIA , VAR . DECAISNEANA . Nat . size . s , s , spiny stipules sketched in winter ( March 13 , 1897 ) ; sc , scar of fallen leaf ; g , gland above the bud . In ...
... scar of fallen leaf ; g , gland above the bud . FIG . 34 .-- ROBINIA PSEUDACACIA , VAR . DECAISNEANA . Nat . size . s , s , spiny stipules sketched in winter ( March 13 , 1897 ) ; sc , scar of fallen leaf ; g , gland above the bud . In ...
Pagina 29
... scar of fallen leaf ; St , stipules completely covering the bud in fig . 35 , in fig . 36 pushed aside by the developing bud ( b ) . FIG . 37. - POPULUS NIGRA . TERMINAL WINTER - BUD , showing a pair of per- sistent stipules ( st ) be ...
... scar of fallen leaf ; St , stipules completely covering the bud in fig . 35 , in fig . 36 pushed aside by the developing bud ( b ) . FIG . 37. - POPULUS NIGRA . TERMINAL WINTER - BUD , showing a pair of per- sistent stipules ( st ) be ...
Pagina 75
... scar of the fallen stipule . In vertical section above , the upper node showing the axillary bud ( B ) completely covered by the thickened , fleshy base of the petiole ( p " ) . The terminal bud in the growing state consists of leaves ...
... scar of the fallen stipule . In vertical section above , the upper node showing the axillary bud ( B ) completely covered by the thickened , fleshy base of the petiole ( p " ) . The terminal bud in the growing state consists of leaves ...
Pagina 77
... and the leaf - base the bud is sheltered . FIG . 117. - Another view . Sc , scar of leaf ; s , swelling ; B bud . B S : c the stem throws out a process which almost meets that ON THE PROTECTION OF BUDS 77 118, 119 120.
... and the leaf - base the bud is sheltered . FIG . 117. - Another view . Sc , scar of leaf ; s , swelling ; B bud . B S : c the stem throws out a process which almost meets that ON THE PROTECTION OF BUDS 77 118, 119 120.
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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...