THE COMPOSITE FAMILY, 



165 



is really in the place of the superior calyx ; for in 

 some plants the five sepals are well developed, as in 



Fig ^'l.—Ger'hera aspUnifo'lia. I. Section through head. II. Disk floret. 

 III. Stamen. 



Spheno'gyne (Fig. 68), in which they form five large, 

 obovate, milk-white scales. 



The corolla is epigynous, gamopetalous, and has the 



