On Buds and StipulesK. Paul, Trench, Trübner & Company, Limited, 1899 - 239 pagini |
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Pagina 6
... line of junction of the two leaves - becomes brown with age while the thicker portion is still green . In other plants , as in Stachys ( fig . 6 ) , the leaves do not fit so closely , but the protection is. 6 BUDS AND STIPULES.
... line of junction of the two leaves - becomes brown with age while the thicker portion is still green . In other plants , as in Stachys ( fig . 6 ) , the leaves do not fit so closely , but the protection is. 6 BUDS AND STIPULES.
Pagina 21
... portions which seem to be of general interest . FIG . 23. - SHOOT OF HELIANTHEMUM CELANDICUM . Slightly enlarged . Fig . 22 represents a shoot of Helianthemum vulgare ( the Common Rock Rose ) , with stipules ; Fig . 23 , one of ...
... portions which seem to be of general interest . FIG . 23. - SHOOT OF HELIANTHEMUM CELANDICUM . Slightly enlarged . Fig . 22 represents a shoot of Helianthemum vulgare ( the Common Rock Rose ) , with stipules ; Fig . 23 , one of ...
Pagina 29
... Portion of shoot in winter , x 2 . FIG . 36. - Ditto in spring , x2 . Sc , scar of fallen leaf ; St , stipules completely covering the bud in fig . 35 , in fig . 36 pushed aside by the developing bud ( b ) . FIG . 37. - POPULUS NIGRA ...
... Portion of shoot in winter , x 2 . FIG . 36. - Ditto in spring , x2 . Sc , scar of fallen leaf ; St , stipules completely covering the bud in fig . 35 , in fig . 36 pushed aside by the developing bud ( b ) . FIG . 37. - POPULUS NIGRA ...
Pagina 30
... PORTION OF SHOOT OF ASTRAGALUS 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 shown . Where stipules are present the leaf has ...
... PORTION OF SHOOT OF ASTRAGALUS 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 shown . Where stipules are present the leaf has ...
Pagina 38
... portion of leaf ; sh , sheath formed by the dilated and connate bases of the petioles ; ab , ab , axillary buds . The Rosacea generally have stipules , but in Exo- chorda some species are exstipulate . In Exochorda Alberti ( figs . 53 ...
... portion of leaf ; sh , sheath formed by the dilated and connate bases of the petioles ; ab , ab , axillary buds . The Rosacea generally have stipules , but in Exo- chorda some species are exstipulate . In Exochorda Alberti ( figs . 53 ...
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Termeni și expresii frecvente
apex axil axillary buds axis base become 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 Leguminosa 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 sometimes species spines stem stipular stipules belonging stipules fig subulate tendrils terminal bud trees 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...