On Buds and StipulesK. Paul, Trench, Trübner & Company, Limited, 1899 - 239 pagini |
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Pagina xi
... more advanced . 4 The same , still further advanced . PLATE IV At end of book 1-6 Leaf - buds of Fagus sylvatica in different stages of develop- ment . 7 Flower - bud of the same . ILLUSTRATIONS IN THE TEXT FIG . 1 Young Shoot of.
... more advanced . 4 The same , still further advanced . PLATE IV At end of book 1-6 Leaf - buds of Fagus sylvatica in different stages of develop- ment . 7 Flower - bud of the same . ILLUSTRATIONS IN THE TEXT FIG . 1 Young Shoot of.
Pagina xiii
... develop- ment 59 102 , 103 104 105 , 106 100 , 101 Leaf Development in Galium Mollugo ( after Eichler ) . Leaf Development in the Plane ( after Eichler ) . Diagrams illustrating Vernation ( after Linnæus ) Shoot of Uvaria purpurea ...
... develop- ment 59 102 , 103 104 105 , 106 100 , 101 Leaf Development in Galium Mollugo ( after Eichler ) . Leaf Development in the Plane ( after Eichler ) . Diagrams illustrating Vernation ( after Linnæus ) Shoot of Uvaria purpurea ...
Pagina 5
... develop , successively protect the younger ones . A somewhat similar case is 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 ...
... develop , successively protect the younger ones . A somewhat similar case is 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 ...
Pagina 7
... developed and strengthened to protect the young and delicate leaves within . In Monocotyledons it is a general rule that the bases of the leaves enclose and well protect the bud . Though leaves and flowers come out with a sur- prising ...
... developed and strengthened to protect the young and delicate leaves within . In Monocotyledons it is a general rule that the bases of the leaves enclose and well protect the bud . Though leaves and flowers come out with a sur- prising ...
Pagina 10
... develop , but in some cases , as in Viburnum Opulus ( the Guelder Rose ) , Gymnocladus , & c . , these also perish , and as a rule only the lower ones grow , and the upper part of the stem dies back . The arrangement of the leaf in the ...
... develop , but in some cases , as in Viburnum Opulus ( the Guelder Rose ) , Gymnocladus , & c . , these also perish , and as a rule only the lower ones grow , and the upper part of the stem dies back . The arrangement of the leaf in 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.