The elements of botany for beginners and for schools . 177. In Grasses, when the sheathing base of the leaf may answer topetiole, the summit of the sheath commonly projects as a thin and shortmembrane, like an ocrea -. this is called a Li&ula or Ligule. 178. When stipules are green and leaf-like they act as so much the Pea they make up no small part of the actual foliage. In a relatedplant (Lathyrus Aphaca, Fig. 173), they make the whole of it, the remainderof the leaf being tendril. 179- In many trees the stipules are the bud-scales, as in the Beech, andvery conspicuously in the Fi
The elements of botany for beginners and for schools . 177. In Grasses, when the sheathing base of the leaf may answer topetiole, the summit of the sheath commonly projects as a thin and shortmembrane, like an ocrea -. this is called a Li&ula or Ligule. 178. When stipules are green and leaf-like they act as so much the Pea they make up no small part of the actual foliage. In a relatedplant (Lathyrus Aphaca, Fig. 173), they make the whole of it, the remainderof the leaf being tendril. 179- In many trees the stipules are the bud-scales, as in the Beech, andvery conspicuously in the Fig-tree, Tulip-tree, and Magnolia (Fig. 179).These fall off as the leaves unfold. 180. The stipules are spines or prickles in Locust and several otherLeguminous trees and shrubs ; they are tendrils iu Smilax or Greenbrier. § 4. THE ARRANGEMENT OP LEAVES. 181. Phyllotaxy, meaning leaf-arrangement, is the study of the positionof leaves, or parts answering to leaves, upon the stem. 182. The technical name for the attachment of leaves to the stem is.
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbotany, bookyear1887
