On Buds and StipulesK. Paul, Trench, Trübner & Company, Limited, 1899 - 239 pagini |
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Pagina viii
... Growing - point : Aucuba , Common Laurel , Tulip Tree , Rose - Basipetal and Basifugal de- velopment Centaurea , Galium - Ocrea : The Plane , Poly- gonum - Vernation : Conduplicate , Plicate , Circinnate , Re- volute , Involute ...
... Growing - point : Aucuba , Common Laurel , Tulip Tree , Rose - Basipetal and Basifugal de- velopment Centaurea , Galium - Ocrea : The Plane , Poly- gonum - Vernation : Conduplicate , Plicate , Circinnate , Re- volute , Involute ...
Pagina xiii
... Growing - point of Rose 59-63 Leaf Development in Aucuba japonica . 64-79 Leaf Development in Common Laurel 80-82 Leaf Development in Tulip Tree . 83-86 Axillary Buds of Tulip Tree Growing - point of Rose Section across Bud of Rose 39 ...
... Growing - point of Rose 59-63 Leaf Development in Aucuba japonica . 64-79 Leaf Development in Common Laurel 80-82 Leaf Development in Tulip Tree . 83-86 Axillary Buds of Tulip Tree Growing - point of Rose Section across Bud of Rose 39 ...
Pagina 2
... growing ' and ' resting ' buds . Moreover , among our own species there is often a considerable difference be- tween terminal and axillary buds , as , for instance , in the Black Poplar ( Populus nigra ) . FIG . 1. - YOUNG SHOOT OF ...
... growing ' and ' resting ' buds . Moreover , among our own species there is often a considerable difference be- tween terminal and axillary buds , as , for instance , in the Black Poplar ( Populus nigra ) . FIG . 1. - YOUNG SHOOT OF ...
Pagina 3
... growing or natives of tropical countries , the buds are comparatively naked and unprotected . Even in the tropics , however , though protection is not needed against cold , it is required against the burning sun- light and against ...
... growing or natives of tropical countries , the buds are comparatively naked and unprotected . Even in the tropics , however , though protection is not needed against cold , it is required against the burning sun- light and against ...
Pagina 4
... grown under artificial conditions do not show the arrange- FIG . 3 . FIG . 4 . -B YOUNG LEAVES OF HYPERICUM CALYCINUM . Nat . size . FIG . 3 , seen from the side . FIG . 4 , with one leaf turned back to show the younger , enclosed pair ...
... grown under artificial conditions do not show the arrange- FIG . 3 . FIG . 4 . -B YOUNG LEAVES OF HYPERICUM CALYCINUM . Nat . size . FIG . 3 , seen from the side . FIG . 4 , with one leaf turned back to show the younger , enclosed pair ...
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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...