. The essentials of botany. Botany. Fia. IX. Fig. X. Fig. FiG. -Diagi-am showing parts of leaf. -Diagram of lobed leaf (pinuately lobed) showing lobes and sinuses. Blade.—The blade is always one iiiece when the leaf is very young (, very early in its growth in the bud). In many cases it remains so in all its subsequent growth, and is said to be sim- ple. Very commonly, however, even in simple leaves the blade has branched more or less in its growth, giv- ing rise to Ivbes of various sizes and forms (the hih-il leaf). The indentation between two lobes is termed a sinm (Fig. X). Whe
. The essentials of botany. Botany. Fia. IX. Fig. X. Fig. FiG. -Diagi-am showing parts of leaf. -Diagram of lobed leaf (pinuately lobed) showing lobes and sinuses. Blade.—The blade is always one iiiece when the leaf is very young (, very early in its growth in the bud). In many cases it remains so in all its subsequent growth, and is said to be sim- ple. Very commonly, however, even in simple leaves the blade has branched more or less in its growth, giv- ing rise to Ivbes of various sizes and forms (the hih-il leaf). The indentation between two lobes is termed a sinm (Fig. X). When the branching is so profound that i-T? the lobes have become fuparable leaflets, 5~r the blade is said to be compound. ^VSiJ^ The branches of the blade may radiate ^H from a common central point {radiately lobed, tdilititely compovnd, or, more com- FiG. XI.—Radiately or nioiily, pahniitchi hihed, Pig. XI, palmately palmately lobed leaf. compound, Fig. XII); or they may grow out on opposite sides of an axial portion {pinnately lubed, Pig. X,. 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 Bessey, Charles E. (Charles Edwin), 1845-1915. New York, Holt
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbotany, bookyear1884
