On Buds and StipulesK. Paul, Trench, Trübner & Company, Limited, 1899 - 239 pagini |
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Pagina 9
... petiole of the leaf . p-- - -S 2 , upper part having been cut off ; b , bud ; t , terminal shoot , the upper part has already dropped off ; s , scar of stipule . The same thing occurs in the Elm , Birch , Hazel - Nut , Lilac , Willow ...
... petiole of the leaf . p-- - -S 2 , upper part having been cut off ; b , bud ; t , terminal shoot , the upper part has already dropped off ; s , scar of stipule . The same thing occurs in the Elm , Birch , Hazel - Nut , Lilac , Willow ...
Pagina 14
... develop- ment of the petiole . The young stages in the develop- ment of the leaf are shown in figs . 17 and 18 . Here it seems obvious that the peculiar form of the leaf is due to the form and arrangement of the 14 BUDS AND STIPULES.
... develop- ment of the petiole . The young stages in the develop- ment of the leaf are shown in figs . 17 and 18 . Here it seems obvious that the peculiar form of the leaf is due to the form and arrangement of the 14 BUDS AND STIPULES.
Pagina 30
... 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 of the compound leaf are shown ...
... 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 of the compound leaf are shown ...
Pagina 36
... Rock Roses ( Helianthemum ) are concerned . Let us now see whether the conformation of other species supports this view . In the allied genus Cistus , which has no stipules , the petiole is always widened 36 BUDS AND STIPULES.
... Rock Roses ( Helianthemum ) are concerned . Let us now see whether the conformation of other species supports this view . In the allied genus Cistus , which has no stipules , the petiole is always widened 36 BUDS AND STIPULES.
Pagina 37
Sir John Lubbock. which has no stipules , the petiole is always widened as in the species of Helianthemum without stipules . This is shown , for instance , in the following figure of Cistus cyprius ( fig . 49 ) . In Cistus vaginatus ...
Sir John Lubbock. which has no stipules , the petiole is always widened as in the species of Helianthemum without stipules . This is shown , for instance , in the following figure of Cistus cyprius ( fig . 49 ) . In Cistus vaginatus ...
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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...