Text-book of structural and physiological botany . Fig. 253.—Papilionaceous corolla of laburnum : I. seen laterally ; II. in front ;III, standard ; IV. keel ; V. left wing seen from without. part of the corolla, the keel or carina^ consists of two petalsoften more or less united above, and usually enclosing thestamens and pistil. The caryophyllaceous corolla (Figs. 254,255) consists of five petals with long ungues atta-ched to the.

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Keywords: ., bookcentury1800, bookdecade1870, bookpublishernewyorkjwileysons