On Buds and StipulesK. Paul, Trench, Trübner & Company, Limited, 1899 - 239 pagini |
Din interiorul cărții
Rezultatele 1 - 5 din 11
Pagina x
... Tendrils - Monocotyledons - Stipellæ -Stipules rare in Cotyledons - Composition of Leaf CHAPTER IX SUMMARY 197 The Bud - Modes of Protection - Stipules : Nature of , Uses of— Fall of the Leaf : Not a case of Death , but a Vital Process ...
... Tendrils - Monocotyledons - Stipellæ -Stipules rare in Cotyledons - Composition of Leaf CHAPTER IX SUMMARY 197 The Bud - Modes of Protection - Stipules : Nature of , Uses of— Fall of the Leaf : Not a case of Death , but a Vital Process ...
Pagina 17
... tendrils , as in Passiflora . 6 Another class of buds has been termed by Du Petit Thouars ' adventive ' buds . They appear , especially in certain plants , on the leaves , internodes , and roots . They may be divided into two classes ...
... tendrils , as in Passiflora . 6 Another class of buds has been termed by Du Petit Thouars ' adventive ' buds . They appear , especially in certain plants , on the leaves , internodes , and roots . They may be divided into two classes ...
Pagina 161
... tendrils , as in Smilax . In many cases the stipules are very small , sometimes quite minute , as in Hymenanthera ( fig . 28 ) , a plant belonging to the Violet family . The Holly is described in Bentham and Hooker's ' Genera Plantarum ...
... tendrils , as in Smilax . In many cases the stipules are very small , sometimes quite minute , as in Hymenanthera ( fig . 28 ) , a plant belonging to the Violet family . The Holly is described in Bentham and Hooker's ' Genera Plantarum ...
Pagina 179
... the middle and upper portions of the stem . The tendrils represent the leaves , and are alternate and distichous ; that is , on the plan of arrangement . The stipules are arranged in two ranks , inserted on N 2 ON THE FORMS OF STIPULES 179.
... the middle and upper portions of the stem . The tendrils represent the leaves , and are alternate and distichous ; that is , on the plan of arrangement . The stipules are arranged in two ranks , inserted on N 2 ON THE FORMS OF STIPULES 179.
Pagina 180
... tendrils . They increase in size as the plant gains in vigour , and become obli- quely triangular - hastate , but ... tendrils . All lateral buds come in the axils of the tendrils . The stipules , therefore , perform the double function ...
... tendrils . They increase in size as the plant gains in vigour , and become obli- quely triangular - hastate , but ... tendrils . All lateral buds come in the axils of the tendrils . The stipules , therefore , perform the double function ...
Alte ediții - Afișează-le pe toate
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...