. The elements of botany embracing organography, histology, vegetable physiology, systematic botany and economic botany ... together with a complete glossary of botanical terms. Botany. said to be cleft (Fig. 72); the number of segments are indicated by-the terms bifid (two-cleft), trifid (three- cleft), tnultiiid (many-cleft), etc. If the divisions extend almost to the midrib, the leaf is said to be parted; if they extend quite to the midrib, the leaf is divided; and thus a simple leaf, or one with lamina in a single piece, is converted into a compound leaf, that is, one with the blade divide
. The elements of botany embracing organography, histology, vegetable physiology, systematic botany and economic botany ... together with a complete glossary of botanical terms. Botany. said to be cleft (Fig. 72); the number of segments are indicated by-the terms bifid (two-cleft), trifid (three- cleft), tnultiiid (many-cleft), etc. If the divisions extend almost to the midrib, the leaf is said to be parted; if they extend quite to the midrib, the leaf is divided; and thus a simple leaf, or one with lamina in a single piece, is converted into a compound leaf, that is, one with the blade divided into several parts (Fig. 73). Each of the latter is called a leaflet (Fig. 73, Ift), and the stem or mid- rib, which supports the leaf- lets, is called the rachis (Fig. 73, rach). 41. Corresponding with the pinnate and palmate type of venation, there are pinnately and palmately compound Figs. 07-71. Margin of leaves : 67. Serrate; 68. Dentate ; 69. Crenatc; 70. Un- dulate; 71. Incised, Fig. 72. A Cleft leaf. Fig. 73. A divided, compound, leaf of the rose: l/t, leaflets ; rach, rachis; itif, 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
