. The elements of botany embracing organography, histology, vegetable physiology, systematic botany and economic botany ... together with a complete glossary of botanical terms. Botany. adnata (Fig. 73, stip). The stipules of the Tulip-tree serve as bud-^scales, falling ofT soon after the leaves unfold. 44. In the Dock and the Buckwheat family the stipules unite and form a sheath around the stem (Fig. 82), which is called Ochrea. If the outer margins only unite, as in the Buttonwood, a double stipule opposite the leaf is formed. If the inner margin only unite, as in the Pondweed (Potamogeton),
. The elements of botany embracing organography, histology, vegetable physiology, systematic botany and economic botany ... together with a complete glossary of botanical terms. Botany. adnata (Fig. 73, stip). The stipules of the Tulip-tree serve as bud-^scales, falling ofT soon after the leaves unfold. 44. In the Dock and the Buckwheat family the stipules unite and form a sheath around the stem (Fig. 82), which is called Ochrea. If the outer margins only unite, as in the Buttonwood, a double stipule opposite the leaf is formed. If the inner margin only unite, as in the Pondweed (Potamogeton), the double stipule is situated in the axil of the leaf The sheaths of the grasses represent the : petiole, for they bear the blade at their summit; but the small appen- dages, commonly found at the top of the sheath, called a ligule (Fig. 83), is of the nature of a stipule. Fig. 80. Spinous stipules (si. siifi) of the Locust. Fig. 81. Tendril stipules of Smilax. Fig. 82. An Ochrea, or Sheathing stipule, of Polygonum. Fig. 83. Grass leaf, with the ligule {liff) representing a Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Kellerman, William Ashbrook, 1850-1908. Philadelphia, J. E. Potter and Company
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbotany, bookyear1883
