On Buds and StipulesK. Paul, Trench, Trübner & Company, Limited, 1899 - 239 pagini |
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Pagina 5
... edges , which touch all the way round , leaving between them. FIG . 6. - APEX OF SHOOT OF STACHYS SYLVATICA , showing two succes- sive pairs of leaves . Nat . size . FIG . 11. YOUNG SHOOT OF HORN- BEAM ( Carpinus. ON BUDS 5.
... edges , which touch all the way round , leaving between them. FIG . 6. - APEX OF SHOOT OF STACHYS SYLVATICA , showing two succes- sive pairs of leaves . Nat . size . FIG . 11. YOUNG SHOOT OF HORN- BEAM ( Carpinus. ON BUDS 5.
Pagina 31
... Apex of growing shoot , showing side view of stipules ; L ' , youngest , partly expanded leaf , with the lowest pair of leaflets still folded , and the sti- pules , st ' , connate opposite the leaf - base ; L " , next younger leaf ...
... Apex of growing shoot , showing side view of stipules ; L ' , youngest , partly expanded leaf , with the lowest pair of leaflets still folded , and the sti- pules , st ' , connate opposite the leaf - base ; L " , next younger leaf ...
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.
Pagina 39
Sir John Lubbock. indications of being tridentate at the apex . These lateral teeth are probably evidence of the former exist- 51 St 53 US US W 52 54 LEAVES OF EXOCHORDA . FIG . 51. - Leaf of Exochorda grandiflora , nat . size . FIG . 52 ...
Sir John Lubbock. indications of being tridentate at the apex . These lateral teeth are probably evidence of the former exist- 51 St 53 US US W 52 54 LEAVES OF EXOCHORDA . FIG . 51. - Leaf of Exochorda grandiflora , nat . size . FIG . 52 ...
Pagina 46
... apex of growing - point ; B , youngest leaf ; R , cortex ; M , pith . debted for excellent memoirs and observations to De Mercklin ( 5 ) in 1846 , Trecul ( 6 ) in 1853 , Schacht ( 7 ) in 1854 , Eichler ( 8 ) in 1861 , Goebel ( 9 ) , and ...
... apex of growing - point ; B , youngest leaf ; R , cortex ; M , pith . debted for excellent memoirs and observations to De Mercklin ( 5 ) in 1846 , Trecul ( 6 ) in 1853 , Schacht ( 7 ) in 1854 , Eichler ( 8 ) in 1861 , Goebel ( 9 ) , and ...
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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...