CONTRIBUTIONS TO WESTERN BOTANY NO. 16 



Valeriana sorbifolia. No. 25052. Ramsey Canon, Huachuca I 



Arizona. September 28, 1929. 

 Cacalia decomposita. No. 25053. Ramsey Canon, Huachuca mountains, 



Arizona. September 27, 1929. 

 Stephanomeria exigua. No. 25054. Badwin Lake, California. August 17, 



1929. 

 Stephanomeria ramosa. No. 25055. Pacheco Pass, Arizona. October 2, 



1929. 

 Perezia nana. No. 25056. Below Miller Canon, Arizona, Huachuca 



mountains, Arizona. October 1, 1929. 

 Sonchus oleraceus 1. No. 25057. Ramsey Canon, Huachuca mountains, 



Arizona. September 30, 1929. 

 Baccharis sergiloides. No. 25058. Baboquivori mountains, Arizona. Sep- 

 tember 25, 1929. No. 25059. Benson, Arizona. September 27, 1929. 

 Baccharis glutinosa. No. 25061. Baboquivori mountains, Arizona. Sep- 

 tember 23, 1929. 

 Baccharis Bigelowvii. No. 25073. Ramsey Canon, Huachuca i 



Arizona. September 28, 1929. 

 rorophyllum macrocephalum. No. 25062. Baboquivori mountain 



zona. September 22, 1929. 

 Rudbeckia laciniata. No. 25064. Ramsey Canon, Huachuca i 



Arizona. September 28, 1929. 

 Cirsium Mohavensis. No. 25066. Cushenbury Spring, California. August 



17, 1929. 

 Artemisia ludoviciana. No. 25072. Miller Canon, Huachuca mountains, 



Arizona. October 1, 1929. 

 Franseria dumosa. No. 25074. East of Desert Center, California. Sep- 

 tember 16, 1929. 

 Psathyrotes annua. No. 25075. Sentinel, Arizona. September 18, 1929. 

 Tetradymia inermis. No. 25076. Baldwin Lake, California. August 17, 



1929. ^ t 



Canotia holacantha. No. 25 3::. West of Wirkenburg, Arizona. October 



