On Buds and StipulesK. Paul, Trench, Trübner & Company, Limited, 1899 - 239 pagini |
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... PRESENT and PAST . By Rev. T. G. LXXIX . A BONNEY , D.Sc. , LL.D. , F.R.S. , & c . , Professor of Geology at University College , London ; Fellow of St. John's College , Cambridge . of CONTRIBUTION to our KNOWLEDGE SEEDLINGS . By Rt ...
... PRESENT and PAST . By Rev. T. G. LXXIX . A BONNEY , D.Sc. , LL.D. , F.R.S. , & c . , Professor of Geology at University College , London ; Fellow of St. John's College , Cambridge . of CONTRIBUTION to our KNOWLEDGE SEEDLINGS . By Rt ...
Pagina 21
Sir John Lubbock. en sont privées . ' This suggestion started me on the present inquiry . No one , so far as I know , had attempted to answer Vaucher's question , which is one of considerable interest , and might be asked with reference ...
Sir John Lubbock. en sont privées . ' This suggestion started me on the present inquiry . No one , so far as I know , had attempted to answer Vaucher's question , which is one of considerable interest , and might be asked with reference ...
Pagina 22
... present great differences in size , form , and texture . St B FIG . 24. - LEAF OF PEACH . Two - thirds nat . size . St , stipules ; B , axillary bud . St --St FIG . 25. - LEAF OF PORTUGAL LAUREL . One - third nat . size . St , St ...
... present great differences in size , form , and texture . St B FIG . 24. - LEAF OF PEACH . Two - thirds nat . size . St , stipules ; B , axillary bud . St --St FIG . 25. - LEAF OF PORTUGAL LAUREL . One - third nat . size . St , St ...
Pagina 23
Sir John Lubbock. Stipules present , however , a great variety of forms . Those , for instance , of the Common Garden Pea A В FIG . 26. - STIPULES OF PEA BEFORE THE UNFOLDING OF THE LEAF . A , natural position ; B , one stipule turned ...
Sir John Lubbock. Stipules present , however , a great variety of forms . Those , for instance , of the Common Garden Pea A В FIG . 26. - STIPULES OF PEA BEFORE THE UNFOLDING OF THE LEAF . A , natural position ; B , one stipule turned ...
Pagina 30
... 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 showu . Where stipules are present the leaf has two , one. 30 BUDS AND STIPULES.
... 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 showu . Where stipules are present the leaf has two , one. 30 BUDS AND STIPULES.
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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.