Blake — New Plants from Sinaloa. 193 



mm. long, all connected at base by the lacerate corona, the latter about 0.5 

 mm. long; disk achenes strongly compressed, glabrous except for the spinu- 

 lose-ciliolate wings, 3 mm. long, narrowly winged, the wings broadened 

 above and adnate to the awns throughout their length; inner awn 2 mm. 

 long, the outer 1 mm. long; squamellae about 6, united at base into a lacer- 

 ate corona, 0.4 mm. long. 



Type in the U. S. National Herbarium, no. 1,010,063, collected at 

 Ixtagua, District of San Ignacio, Sinaloa, Mexico, August 12, 1918, by 

 A. E. Salazar (no. 450). 



Otopappus salazari is easily distinguished by its radiate heads, long pedi- 

 cels, and evenly strigillose leaves. 



