Text-book of structural and physiological botany . -Palmatisect leaf of the monks -hood, Acotiittun. Fig. 174.—Pinnatisect leaf ofthe common poppy, PapaverRhoeas. so far; ^xv^pinnatifid andpalmatifid when they extend abouthalf-way from the margin to the mid-rib or base of the leafIf the divisions of a palmatifid leaf are five in number, it iscalledz^^/;;^^/^(Fig. 181, p. 102). Special modifications of thepinnatifid leaf are the runcinate (Fig. 175), where the points ofthe large central lobes are reflexed ; lyrate (Fig. 176), wherethe terminal lobe is much the largest, and the others decrease H

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Text-book of structural and physiological botany . -Palmatisect leaf of the monks -hood, Acotiittun. Fig. 174.—Pinnatisect leaf ofthe common poppy, PapaverRhoeas. so far; ^xv^pinnatifid andpalmatifid when they extend abouthalf-way from the margin to the mid-rib or base of the leafIf the divisions of a palmatifid leaf are five in number, it iscalledz^^/;;^^/^(Fig. 181, p. 102). Special modifications of thepinnatifid leaf are the runcinate (Fig. 175), where the points ofthe large central lobes are reflexed ; lyrate (Fig. 176), wherethe terminal lobe is much the largest, and the others decrease H 2 100 StriLcUcral and Physiological Botany, gradually towards the base; laciiiiate (Fig. 177), where theleaf is irregularly cut into very narrow segments. In a slitleaf the lobes into which the margin is divided are narrowand pointed; in a/<9^<?^ leaf (Fig. 179) theyare broader and rounder (with the excep-tion often of the , \\YL\/\ ^^^^^ lobe), the inci-/ AXvyfy \ sions themselves havingY\ an acute angle ; in ayJ\\sinuate leaf (F

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Keywords: ., bookcentury1800, bookdecade1870, bookpublishernewyorkjwileysons