KEY TO PLATE IV 



schizocarp. <:, Section- >6f a fruit 

 in,< rows of prickles, </, Infl 

 showing pwnare bracts ^jf-invol 

 r->ass of flowers in o>>nipound 



1,2.^ Oeaj gurnet 



^^^Y Gray) 



ion of flower, fa -flower, showing 

 :nyfc*<k>ng }fy of pistil, , 

 gamosepafcus c^yx, and bract^. > 

 k, with.pinna^ le^O^f Inflo- 

 rescence, wit 



rescence, with fltvferheads in different 



