C. NAUSEOSUS. 



223 



{/7.ce/-um/'nos{/s\ \o. mo/>3i/e/7s/'s\ 



;gh, sharply 

 angled 



Style-appendages 

 shorter than stig- 

 matic portion; cor 

 lobe under imm. 



Fia. 28.— Phylogenetic chart of the subspecies of Chrysothamnut nouteosu* 



