CONTRIBUTIONS TO WESTERN BOTANY NO. 16 



Eupatorium solidaginifolium. No. 25116. Baboquivori mountains, Ari- 

 zona. September 23, 1929. 



Brickellia venosa. No. 25101. Ramsey Canon, Huachuca mountains, Ari- 

 zona. September 28, 1929. 



Brickellia reniformis. No. 25102. Ramsey Canon, Huachuca mountains, 

 Arizona. September 28, 1929. 



Brickellia Wrightii. No. 25103. Ramsey Canon, Huachuca mountains, 

 Arizona. September 28, 1929. 



Brickellia betonicaefolia. No. 25104. Miller Canon, Huachuca i 

 Arizona. October 1, 1929. 



Brickellia grandiflora. No. 25105. Ramsey Canon, Huachuca i 



Brickellia floribunda. No. 25107. Ramsey Canon, Huachuca mountains, 

 Arizona. September 30, 1929. 



Brickellia Rusbyi. No. 25108. Baboquivori mountains, Arizona. Sep- 

 tember 19, 1929. No. 25109. Ramsey Canon, Huachuca mountains, Ari- 

 zona. September 30, 1929. 



Brickellia axillaris. Xo. 25114. Baboquivori mountains, Arizona. Sep- 

 tember 25, 1929. 



Swiecio Hartwcgi. No. 25115. Ramsey Canon, Huachuca 

 Arizona. September 28, 1929. 



Heliopsis parvifolia. No. 25118. Ramsey Canon, Huachuca 

 Arizona. September 30, 1929. 



Encelia frutescens. No. 25119. Castle Dome, Arizona. September 

 No. 25120. Quartzite, Arizona. September 17, 1929. 



Encelia exarata (?). No. 25110. Ramsey Canon, Huachuca 

 Arizona. September 29, 1929. 



Tithonia Thurberi ( ?). No. 25121. Baboquivori mountains, Arizona. 

 September 23 1929. 



Riddelia tagetina. No. 25097. Benson, Arizona. September 27, 1929. 



Madia sativa. No. 25098. Arrowhead Lake, California. August 4, 1929. 



Baileya pleniradiata. No. 25099. Sentinel, Arizona. September 18, 1929. 



Verbesina longifolia. No. 25117. Ramsey Canon, Huachuca mountains, 

 Arizona. September 30, 1929. 



Verberina Wrightii. No. 25100. Benson, Arizona. September 27, 1929. 



Viguieria cordifolia (?). No. 25111. Ramsey Canon, Huachuca moun- 

 tains, Arizona. September 29, 1929. 



Gvmnolomia multiflora. No. 25096. Baboquivori mountains, Arizona. 

 September 19, 1929. 



Gvmnolomia multiflora var. annu?. No. 25112. Benson, Arizona. Sep- 

 tember 27, 1929. 



Carminatia tenuiflora. No. 25060. Ramsey Canon, Huachuca mountains, 

 Arizona. September 29, 1929. 



Centaurea Americana. No. 25077. Ramsey Canon, Huad 



