On Buds and StipulesK. Paul, Trench, Trübner & Company, Limited, 1899 - 239 pagini |
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Pagina 35
... , sessile , ciliate , especially at the base , which also widens so as closely to sheathe the young bud , thus effectually Choisy , in De Candolle's Prodromus , ix . p , 387 . protecting it . So , also , in the other D 2 ON STIPULES 35.
... , sessile , ciliate , especially at the base , which also widens so as closely to sheathe the young bud , thus effectually Choisy , in De Candolle's Prodromus , ix . p , 387 . protecting it . So , also , in the other D 2 ON STIPULES 35.
Pagina 45
... closely resemble those of Viburnum Opulus . Now the entire- leaved species of Spiraea , like those of Viburnum , have no stipules ; while Spiraea opulifolia agrees with Vibur- num Opulus not only in the shape of the leaves , but in the ...
... closely resemble those of Viburnum Opulus . Now the entire- leaved species of Spiraea , like those of Viburnum , have no stipules ; while Spiraea opulifolia agrees with Vibur- num Opulus not only in the shape of the leaves , but in the ...
Pagina 51
... 81 ) shows the growth of the leaf - blade , which is more developed in fig . 82. Fig . 17 , p . 14 , shows how closely the young leaf fits in the hollow of the bud ; while the final arrangement of E 2 DEVELOPMENT OF LEAVES AND STIPULES 51.
... 81 ) shows the growth of the leaf - blade , which is more developed in fig . 82. Fig . 17 , p . 14 , shows how closely the young leaf fits in the hollow of the bud ; while the final arrangement of E 2 DEVELOPMENT OF LEAVES AND STIPULES 51.
Pagina 72
... closely applied , and very short , but when fully developed they become hard , spiny , and diverging . Their foliar nature is further indicated by the fact that a slender groove runs along the opposing faces from apex to base , where ...
... closely applied , and very short , but when fully developed they become hard , spiny , and diverging . Their foliar nature is further indicated by the fact that a slender groove runs along the opposing faces from apex to base , where ...
Pagina 74
... closely applied face to face , A FIG . 111 . P P A B FIG . 112 . NEGUNDO ACEROIDES . Nat . size . FIG . 111. - Portion of shoot ( A ) with the bases of the two opposite leaf - stalks ( P ) . FIG . 112. - Vertical section of same ...
... closely applied face to face , A FIG . 111 . P P A B FIG . 112 . NEGUNDO ACEROIDES . Nat . size . FIG . 111. - Portion of shoot ( A ) with the bases of the two opposite leaf - stalks ( P ) . FIG . 112. - Vertical section of same ...
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Termeni și expresii frecvente
apex axil axillary buds axis base Beech blade brown bud fig bud is protected bud-scales catkin ciliate completely covered concave conduplicate connate stipules cotyledons developed edges Edition fifth folded fourth genera glabrous glands glandular growing-point growth Guaiacum officinale hairs hairy Helianthemum Hornbeam Horse Chestnut inserted instance lamina lateral buds Lathyrus Lathyrus Aphaca Lathyrus Nissolia leaf leaf-base leaf-blade leaf-stalk leaflets leaves and stipules length less lobes lower membranous midrib Monocotyledons narrower nerves node oblong ocrea Opulus outer scales ovate pair of leaves pair of stipules pairs of scales pedestal persistent petiole PLANE Platanus plant Polygonum portion protect the bud protect the young scale fig scar sheath showing side silky sixth slightly smaller Smilax sometimes species st FIG st st stem stipular stipules belonging stipules fig subulate tendrils terminal bud triangular unequal upper Viburnum Viburnum Lantana Viburnum Opulus Whitebeam winter winter-bud Wych Elm young leaves
Pasaje populare
Pagina 233 - Prontenex, the owner stated that for years they followed the same order of succession at both epochs : those which were first to leaf were also the earliest to lose their leaves. A Chestnut in the gardens of the Tuileries from its habit of early leafing is known as the Vingt Mars ; and M. Henri Vilmorin states that, compared with the other Chestnuts in the gardens, it keeps its leaves beyond the mean time of leaf-fall. M. Vilmorin also observed thirty-four Horse Chestnuts, 150 years old, in a plantation...