On Buds and StipulesK. Paul, Trench, Trübner & Company, Limited, 1899 - 239 pagini |
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Pagina viii
... Hairs : Polygonum amphibium , Viburnum , Horse Chestnut , Plane , Stachys , Nettle - Protection by Gum or Resin : Horse Chestnut , Poplar , Hazel Nut , Honeysuckle , Currant , Hornbeam , Elder , Alder , Violet , Salvia , Dock , Rhubarb ...
... Hairs : Polygonum amphibium , Viburnum , Horse Chestnut , Plane , Stachys , Nettle - Protection by Gum or Resin : Horse Chestnut , Poplar , Hazel Nut , Honeysuckle , Currant , Hornbeam , Elder , Alder , Violet , Salvia , Dock , Rhubarb ...
Pagina xiv
... Hairs in Lilac ( after 140 , 141 Development of Glandular Hairs in Plane ( after Winter - buds of Alder . Bud Protection in Magnolia Yulan 94 · 95 98,99 100 101 103 106 · 178-185 Winter - buds of Ash 166-172 Bud - scales of Lilac 173 ...
... Hairs in Lilac ( after 140 , 141 Development of Glandular Hairs in Plane ( after Winter - buds of Alder . Bud Protection in Magnolia Yulan 94 · 95 98,99 100 101 103 106 · 178-185 Winter - buds of Ash 166-172 Bud - scales of Lilac 173 ...
Pagina 1
... hairs , and often still further protected from insects and browsing quadrupeds by gummy or resinous secretions . The bud is a short shoot bearing a number of young leaves closely packed together . There is generally one B at the summit ...
... hairs , and often still further protected from insects and browsing quadrupeds by gummy or resinous secretions . The bud is a short shoot bearing a number of young leaves closely packed together . There is generally one B at the summit ...
Pagina 7
... hairs . In the Plane ( fig . 7 ) the base of the leaf - stalk is hollowed out , forming a sort of cup or extinguisher , which completely covers the young bud . By the time the leaf drops the outer envelopes of the bud are suf- FIG . 8 ...
... hairs . In the Plane ( fig . 7 ) the base of the leaf - stalk is hollowed out , forming a sort of cup or extinguisher , which completely covers the young bud . By the time the leaf drops the outer envelopes of the bud are suf- FIG . 8 ...
Pagina 42
... hairs affords a sufficient protection ; but the tender young leaves of V. Opulus would afford a tempting food to many cater- pillars and other insects . The ants and wasps which are attracted by the honey would tend to keep them down ...
... hairs affords a sufficient protection ; but the tender young leaves of V. Opulus would afford a tempting food to many cater- pillars and other insects . The ants and wasps which are attracted by the honey would tend to keep them down ...
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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...