Text-book of structural and physiological botany . Fig. 144.—Leaf of the pansy, withtwo large stipules. Fig. 145.—Leaf of the elm, withsmall stipules. These are sometimes adherent to the petiole, or adiiate, as inthe rose, and occasionally even run down a portion of the ^ [The petiole of Sarracenia and Darlingtonia is expanded into a re-markable pitcher-like organ capable of holding a considerable amountof fluid. The somewhat similar pitchers of the pitcher-plant orNepenthes (Fig. 193, p. 106) are considered on the other hand to beexpansions of the lamina,—Ed.] 92 Strticttiral and Physiologica

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Text-book of structural and physiological botany . Fig. 144.—Leaf of the pansy, withtwo large stipules. Fig. 145.—Leaf of the elm, withsmall stipules. These are sometimes adherent to the petiole, or adiiate, as inthe rose, and occasionally even run down a portion of the ^ [The petiole of Sarracenia and Darlingtonia is expanded into a re-markable pitcher-like organ capable of holding a considerable amountof fluid. The somewhat similar pitchers of the pitcher-plant orNepenthes (Fig. 193, p. 106) are considered on the other hand to beexpansions of the lamina,—Ed.] 92 Strticttiral and Physiological Botany, stem itself as in the wood-vetch, Vicia sepiiim^ when theyare decurrent^ and give a winged appearance, sometimes tothe petiole, sometimes to the stem. [When not adherent tothe petiole they are said to be/;r^.] The stipules are mostlysmaller than the true leaves, seldom larger, as in the pansy(Fig. 144). In Lathyrus Aphaca (Fig. 146), the stipules of

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Keywords: ., bookcentury1800, bookdecade1870, bookpublishernewyorkjwileysons