96 



THE FLORAL ENVELOPS, OR PERIANTH. 

 31S 814 815 



Fonns of corollas. 812, Cheiranthus (stock). 818, Sileno regia (scarlet catchfly). 814, PyrnB 

 coronaria. 815, Amaryllis (Atamasco lily). 



474. Papilionaceous, butterfly-shaped ; a corolla consisting of five 

 dissimilar petals, designated thus : the upper, largest, and exterior pe- 

 tal is the banner (vexillum) ; the two lateral, half-exterior, are the wings 

 (alee) ; the two lower, interior petals, often united at their lower mar- 

 gin, are the keel (carina). The flowers of the pea, locust, clover, and 



of the great family of the Leguminosse in general are examples. 



I, 



816 317 81S 



816, papilionaceous flower of the Pea. 31T, Displayed ; v, the Texillam j a, a, the site; e, e, the 

 carina:. 318, Section of iiower of Dicentra Cucullaria. 



475. Rotate, wheel-shaped or star-shaped, is a monpetalous form, 

 with tube very short, if any, and a .flat, spreading border, as the calyx 

 of chickweed, corolla of Trientalis, elder. It is sometimes a little ir- 

 regular, as in mullein. 



476. Cup-shaped, with pieces cohering into a concave .border, as in 

 the calyx of mallows, corolla of Kalmia, etc. 



477. Campanulate or bell-shaped ;' when the tube widens abruptly 

 at base and gradually in the border, as in the harebell, Canterbury bell. 



