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. 67. — Ger'beraaspUnifo'lia. I. Section through head. II. Disk floret. 

 III. Stamen. 



Spheno'gync (Fig. Q'$>), in which the}' form five large, 

 obovate, milk-white scales. 



The corolla is epigynous, gamopetalous, and has the 



