On Buds and StipulesK. Paul, Trench, Trübner & Company, Limited, 1899 - 239 pagini |
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Pagina viii
... base , by Modified Leaves , by Leaf - stalk , by Stipules , by Connate Stipules , by Spines , by Hair , by Gum or Resin - Protection by Older Organs : Uvaria , St. John's Wort , Berberry -- Protection by Leaf - stalk : Walnut , Box ...
... base , by Modified Leaves , by Leaf - stalk , by Stipules , by Connate Stipules , by Spines , by Hair , by Gum or Resin - Protection by Older Organs : Uvaria , St. John's Wort , Berberry -- Protection by Leaf - stalk : Walnut , Box ...
Pagina ix
... base with Stipules ; Leaf - stalk with Leaf - blade or Leaflets - Complete and Incomplete Leaves- Gradations in Development of Stipules : Parsley , Ostru- thium , Ethusa - Difficult Cases Hypericum , Lotus , Cucumber , Helianthemum ...
... base with Stipules ; Leaf - stalk with Leaf - blade or Leaflets - Complete and Incomplete Leaves- Gradations in Development of Stipules : Parsley , Ostru- thium , Ethusa - Difficult Cases Hypericum , Lotus , Cucumber , Helianthemum ...
Pagina xiii
... base 30 41 , 42 Hedysarum esculentum , showing stipules connate for their whole lengths 31 • 43 , 44 Onobrychis sativa , showing stipules connate for the greater part of their lengths 32 45 Shoot of Pondweed , showing Intrapetiolar ...
... base 30 41 , 42 Hedysarum esculentum , showing stipules connate for their whole lengths 31 • 43 , 44 Onobrychis sativa , showing stipules connate for the greater part of their lengths 32 45 Shoot of Pondweed , showing Intrapetiolar ...
Pagina 5
... base the leaves are attached to the axis , and axillary buds arise exactly at this place ; a , axis ; yl , next younger pair of leaves . where the delicate new leaves in the centre of the plant are protected by the large , horizontally ...
... base the leaves are attached to the axis , and axillary buds arise exactly at this place ; a , axis ; yl , next younger pair of leaves . where the delicate new leaves in the centre of the plant are protected by the large , horizontally ...
Pagina 7
... 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 . FIG . 9 . UNOPENED BUDS OF NORWAY ...
... 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 . FIG . 9 . UNOPENED BUDS OF NORWAY ...
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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...