On Buds and StipulesK. Paul, Trench, Trübner & Company, Limited, 1899 - 239 pagini |
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Pagina xii
... Robinia viscosa 28 34 35 Spiny Stipules of Robinia Pseud - Acacia . Petteria ramentacea : Shoot in Winter 36 Petteria ramentacea : Shoot in Spring 28 29 29 FIG . 37 Terminal Winter - bud of Black Poplar xii BUDS AND STIPULES.
... Robinia viscosa 28 34 35 Spiny Stipules of Robinia Pseud - Acacia . Petteria ramentacea : Shoot in Winter 36 Petteria ramentacea : Shoot in Spring 28 29 29 FIG . 37 Terminal Winter - bud of Black Poplar xii BUDS AND STIPULES.
Pagina xx
Sir John Lubbock. Were I a skilful painter , What should I paint for thee ? A tiny spring bud peeping out From a withered wintry tree . G. MACDONALD , BUDS AND STIPULES CHAPTER I ON BUDS EVERYONE who loves.
Sir John Lubbock. Were I a skilful painter , What should I paint for thee ? A tiny spring bud peeping out From a withered wintry tree . G. MACDONALD , BUDS AND STIPULES CHAPTER I ON BUDS EVERYONE who loves.
Pagina 1
... spring is ruined by late frosts . Buds offer also a tempting food to insects and other animals . Moreover , their development is generally a slow process , the buds for the following year being already formed , as a rule , during the ...
... spring is ruined by late frosts . Buds offer also a tempting food to insects and other animals . Moreover , their development is generally a slow process , the buds for the following year being already formed , as a rule , during the ...
Pagina 7
... protect the bud . Though leaves and flowers come out with a sur- prising burst of vegetation in suitable spring weather , their development is slow and gradual . The summer buds , as I have already mentioned , contain the. ON BUDS 7.
... protect the bud . Though leaves and flowers come out with a sur- prising burst of vegetation in suitable spring weather , their development is slow and gradual . The summer buds , as I have already mentioned , contain the. ON BUDS 7.
Pagina 8
... latter . so that if we open a bud in the autumn we may find the rudiments not only of next year's leaves , but even of those of the spring following . There is a remarkable point about the Lime and some. 8 BUDS AND STIPULES.
... latter . so that if we open a bud in the autumn we may find the rudiments not only of next year's leaves , but even of those of the spring following . There is a remarkable point about the Lime and some. 8 BUDS AND STIPULES.
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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.