On Buds and StipulesK. Paul, Trench, Trübner & Company, Limited, 1899 - 239 pagini |
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... Four Illustrations . Ninth Edition . STUDY of SOCIOLOGY . By HERBERT SPENCER . Eighteenth Edition . V. The VI . The CONSERVATION of ENERGY . BY BALFOUR Stewart , M.A. , LL.D. , F.R.S. With 14 Illustrations . Eighth Edition . VII ...
... Four Illustrations . Ninth Edition . STUDY of SOCIOLOGY . By HERBERT SPENCER . Eighteenth Edition . V. The VI . The CONSERVATION of ENERGY . BY BALFOUR Stewart , M.A. , LL.D. , F.R.S. With 14 Illustrations . Eighth Edition . VII ...
Pagina xi
... four opening Buds . 2 Acer platanoides : Young Shoot . 3 The same , more advanced . 4 The same , still further advanced . 5 Pyrus Aria : Sprig with three Buds . PLATE III At end of book 1 Ulmus montana : Young Shoot . 2 The same , more ...
... four opening Buds . 2 Acer platanoides : Young Shoot . 3 The same , more advanced . 4 The same , still further advanced . 5 Pyrus Aria : Sprig with three Buds . PLATE III At end of book 1 Ulmus montana : Young Shoot . 2 The same , more ...
Pagina 13
... four folds of the doubled leaves.1 In illustration of the influence which the form of the bud exercises on the shape of the leaf I may refer to my paper in the Contemporary Review ' for May , 1885 , to several memoirs in the Journal of ...
... four folds of the doubled leaves.1 In illustration of the influence which the form of the bud exercises on the shape of the leaf I may refer to my paper in the Contemporary Review ' for May , 1885 , to several memoirs in the Journal of ...
Pagina 59
... ridge . Immediately below this is another ridge , which shows a number of small emi- nences - two larger , right and left , which are the rudi- ments of the leaf - blades ; and four smaller DEVELOPMENT OF LEAVES AND STIPULES 59.
... ridge . Immediately below this is another ridge , which shows a number of small emi- nences - two larger , right and left , which are the rudi- ments of the leaf - blades ; and four smaller DEVELOPMENT OF LEAVES AND STIPULES 59.
Pagina 60
Sir John Lubbock. ments of the leaf - blades ; and four smaller , at the four corners , which represent the rudiments of the four leaf - like stipules , two belonging to each leaf . Fig . 101 represents a rather more advanced stage , in ...
Sir John Lubbock. ments of the leaf - blades ; and four smaller , at the four corners , which represent the rudiments of the four leaf - like stipules , two belonging to each leaf . Fig . 101 represents a rather more advanced stage , in ...
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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.