1895. ] North American Amaranthacea. 343 
G. DENSA aggregata, n. var. 
Plant larger with flowers and leaves densely aggregated on 
the long stout branches. Southern Mexico. 
Types: Near Mexico, ‘‘Bustamenta y Rocha,” in herb. 
Columbia College; Jalisco, Guadalajara, (Palmer 47 in 1886) 
in herb. J. D. Smith, Columbia College and Nat. herb. 
CLADOTHRIX Nutt. ex Mog. DC. Prodr. 137: 359. 1849. 
Low herbaceous annuals or suffruticose perennials with 
ground apart from A/ternanthera. 
* Herbaceous, annual, mostly prostrate. 
1. C. LANUGINOSA Nutt. ex Mog. |. c. 1849. 
Achyranthes lanuginosa Nutt. Trans. Amer. Phil. Soc. N.S. 5: 166. 
ia 
