On Buds and StipulesK. Paul, Trench, Trübner & Company, Limited, 1899 - 239 pagini |
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Pagina v
... the facilities they have kindly afforded me . ' ' On Stipules , ' Parts i - iv . ( Linnean Society's Journal - Botany , vols . xxviii , xxx , xxxiii ) , 1890 , 1894 , 1897 . The Trustees of the British Museum and Mr. MURRAY ,
... the facilities they have kindly afforded me . ' ' On Stipules , ' Parts i - iv . ( Linnean Society's Journal - Botany , vols . xxviii , xxx , xxxiii ) , 1890 , 1894 , 1897 . The Trustees of the British Museum and Mr. MURRAY ,
Pagina 5
... afforded by Uvaria ( figs . 105 , 106 , p . 70 ) ; and also by common Rhubarb , yl p- α FIG . 5. - MESEMBRYANTHEMUM . 1 , l , pair of leaves , connate , and sheathing in their lower half ; p , from this point to the base the leaves are ...
... afforded by Uvaria ( figs . 105 , 106 , p . 70 ) ; and also by common Rhubarb , yl p- α FIG . 5. - MESEMBRYANTHEMUM . 1 , l , pair of leaves , connate , and sheathing in their lower half ; p , from this point to the base the leaves are ...
Pagina 26
... affords a good illustration . As regards their colour , leafy stipules are generally green ; the minute stipules of the Holly ( Ilex Aquifo- lium ) are black ; the scales of buds are various shades of brown , shading off to white ...
... affords a good illustration . As regards their colour , leafy stipules are generally green ; the minute stipules of the Holly ( Ilex Aquifo- lium ) are black ; the scales of buds are various shades of brown , shading off to white ...
Pagina 42
... affords a sufficient protection ; but the tender young leaves of V. Opulus would afford a tempting food to many cater- pillars and other insects . The ants and wasps which are attracted by the honey would tend to keep them down , and ...
... affords a sufficient protection ; but the tender young leaves of V. Opulus would afford a tempting food to many cater- pillars and other insects . The ants and wasps which are attracted by the honey would tend to keep them down , and ...
Pagina 45
... afforded - in a totally different family - by the genus Spirea . Here we find some species with entire , some with pinnate leaves ; while those of S. opulifolia , as the name denotes , closely resemble those of Viburnum Opulus . Now the ...
... afforded - in a totally different family - by the genus Spirea . Here we find some species with entire , some with pinnate leaves ; while those of S. opulifolia , as the name denotes , closely resemble those of Viburnum Opulus . Now the ...
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Termeni și expresii frecvente
apex axil axillary buds axis base Beech blade brown bud is protected bud-scales Candolle completely covered concave conduplicate connate stipules cotyledons developed edges Edition Exochorda exstipulate fifth folded foliaceous fourth genera genus glabrous glands growing-point growth Guaiacum officinale hairs hairy Helianthemum Hornbeam Horse Chestnut inner instance lamina Lantana lateral buds Lathyrus Aphaca Lathyrus Nissolia leaf leaf-base leaf-blade leaf-stalk leaflets length less lobes lower membranous midrib Monocotyledons narrow node ocrea Opulus outer scales ovate pair of leaves pair of stipules pedestal persistent petiole Petteria PLANE Platanus plant Polygonum protect the bud protect the young Robinia scale fig scar sheath shoot showing side slightly Smilax sometimes species St FIG St St stalk stem stipular stipules belonging stipules fig stipules St subulate tendrils terminal bud trees triangular Tulip Tree upper Viburnum Viburnum Lantana Viburnum Opulus Whitebeam winter winter-bud Wych Elm young bud young leaves younger
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Pagina 233 - So careless of the single life, So careful of the type she seems, and will be more and more struck with wonder and admiration at the variety and beauty of the provisions by which Nature preserves these tender and precious buds from the severity of winter, and prepares with loving care and rich profusion for the bright promise of spring and the glorious pageant of summer.
Pagina 194 - ASSISTANCE IN CLIMBING There are two ways in which stipules may assist in this respect, viz. (1) by being developed into tendrils, or (2) into more or less reversed spines. The case of the tendrils of Smilax is one which has occasioned much discussion, but I agree with Tyler (24) that the embryological, together with the anatomical, characters indicate that in Smilax the tendrils are true stipules, found in connection with the sheathing petiole. In Paliurvs australis (fig.
Pagina 4 - The figure also shows how admirably the peculiar form of the leaf is adapted to their mode of growth. In many other plants also the leaves, as they develop, successively protect the younger ones. A somewhat similar case is afforded by Uvaria (figs. 105, 106, p. 70) ; and also by common Rhubarb, FIG.