On Buds and StipulesK. Paul, Trench, Trübner & Company, Limited, 1899 - 239 pagini |
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Pagina 6
... brown . The middle line of the sheath -- that is , the 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 ...
... brown . The middle line of the sheath -- that is , the 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 ...
Pagina 26
... brown , shading off to white ; scarious stipules range from straw - colour to grey . Some are beautifully coloured , almost like the petals of flowers : in the Hornbeam , for instance , often of a bluish purple ( Pl . I. figs . 4 and 5 ) ...
... brown , shading off to white ; scarious stipules range from straw - colour to grey . Some are beautifully coloured , almost like the petals of flowers : in the Hornbeam , for instance , often of a bluish purple ( Pl . I. figs . 4 and 5 ) ...
Pagina 27
... OF THE COMMON THORN . Nat . size . St , stipules , absent in the first figure . latter expand . The ground under Beeches in spring is almost brown with fallen stipules . Others , as , for instance , those of the ON STIPULES 27.
... OF THE COMMON THORN . Nat . size . St , stipules , absent in the first figure . latter expand . The ground under Beeches in spring is almost brown with fallen stipules . Others , as , for instance , those of the ON STIPULES 27.
Pagina 31
... brown and membranous , and develop early , so that the leaves at this stage lie between two rows of stipules . In Sainfoin ( Onobrychis sativa ) ( figs . 43 , 44 ) also the stipules are united for the greater part of their length . In ...
... brown and membranous , and develop early , so that the leaves at this stage lie between two rows of stipules . In Sainfoin ( Onobrychis sativa ) ( figs . 43 , 44 ) also the stipules are united for the greater part of their length . In ...
Pagina 38
... The petiole , however , is concave and am- plexicaul , and the winter - bud is covered with a number of broadly triangular brown scales , some of which show indications of being tridentate at the apex . These lateral 38 BUDS AND STIPULES.
... The petiole , however , is concave and am- plexicaul , and the winter - bud is covered with a number of broadly triangular brown scales , some of which show indications of being tridentate at the apex . These lateral 38 BUDS AND STIPULES.
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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...