238 



GENUS ATRIPLEX. 



Radicle inferior or 

 lateral ; fid. always 



monoeci 



EUATRIPLE.X 



Fio. 29. — Phylogenetic chart oi the subgenera and smaller divisions of Atriplex. The relative size of the circles has no 

 significance. Large groups of species are sometimes indicated by small circles in order to bring the whole chart 

 within the limits of the page. Tnese groups are diagrammed in detail as follows: group of A. pusillm, fig. 33, 

 p. 270; group of A. truneata, fig. 35, p. 278; group of A. penlandra, fig. 39, p. 294: group of dioecious shrubs, fig. 

 43, p. 314. 



