"^=^^#. 



Fig. 521: Hibiscus dasycalyx: a, top of plant, x Vo', b, corolla, x i/>; c, calyx spread 

 out. inner view, x il>; d, calyx, x Vo- (From Blake & Schiller in Jour. Wash. Acad. Sci. 

 48: 278. 1958). 



