STNGENESIA. SEGREGATA. 187 



Order V. -POLYGAMIA SEGREGATA. 



(Each of the florets furnished with a calix.) 



G05. ELEPHANTOPUS. L. (Elephant's foot.) 

 Parfia^ cate 4-flowered. Florets 5-cIeft, Ulu- 

 late, hermaphrodite. Receptacle naked. Pappus 

 setaceous. 



Herbaceous or rarely shrubby; leaves entire, villous or 

 pilose; calices by 3's, surrounded by a 3-leaved common 

 involucrum, long pedunculate, terminal and subcorymbose 

 or spiked. 



Species. I.E. caroUnianus. Leaves oval, narrowed at 

 the base, and with the branching stem pilose. Hab. In 

 Maryland and Virginia. 3. * simplex. Stem simple and 

 as well as the leaves and involucrum more densely pilose, 

 calix pilose; (in the preceding smooth and glandular.) 

 Hab. In Carolina and Georgia. E. tomentosus. Ph. A spe- 

 cies which does not appear to have been discovered in 

 the United States. Obs. Pappus consisting of from 5 to 

 8 erect and fragile bristles. 



A genus of 6 species indigenous to tropical America;, 

 A'ith the exception of 1 in India. 



