CONTRIBUTIONS TO WESTERN BOTANY NO. 16 



untia leplocaulis. No. 24956. Benson, Arizona. September 27, 192 

 etalonyx Thurberi. No. 24957. Ajo, Arizona. September 18, 1929. 

 rusea subulata. No. 24958. Ramsey Canon, Huachuca mountains, Ai 



(VTJ^^^. zona. September 30, 1929. 



Apodantliera rigida. No. 24959. Baboquivori mountains, Arizona. Sep- 

 tember 20, 1929. 



Echinopepon Wrightii. No. 24960. Baboquivori mountains, Arizona. Sep- 



. tember 22, 1929. 



Larrea Mexicana. No. 24961. Benson, Arizona. September 27, 1929. 

 No. 24965. Quartzite, Arizona. September 17, 1929. 



Tribulus grandinorus. No. 24962. Sentinel, Arizona. September 18, 1929. 



rnbulus maximus. No. 24963. Hayfields, west of Desert Center, Cali- 

 ^- fornia. September 16, 1929. 



Uolacantha Emoryi. No. 24964. Hayfields, west of Desert Center, Cali- 

 fornia. September 16, 1929. 

 )iscus denudatus. No. 24966. Baboquivori mountains, Arizona. Sep- 

 tember 20, 1929. 



Gentinana Wrightii. No. 24967. Ramsey Canon, Huachuca mountains, 

 Arizona. September 30, 1929. 

 Ivastrum orbiculatum. No. 24968. Cushenbury grade, San Bernardino 

 ia. August 4, 1929. 



>' ••: rsalis Wrightii. No. 24969. Baboquivori mountains, Arizona. Sep- 

 tember 22, 1929. 



Thysalis lobata. No. 24970. Baboquivori mountains, Arizona. Septem- 

 beer 27, 1929. H ' ^ nzona - otpic 



- P 1ember b 19 CatUni * N °' ^^ Baboa * uivori mountains, Arizona. Sep- 

 Ipomoea hederifolia. No. 24972. Ramsey Canon, Huachuca mountains, 



Arizona. September 29, 1929 

 IPO Tmb^ d 9 he m9" N °" 249?3 ' Baboc l uivori m °untains, Arizona. Sep- 

 IPO Tmbe C r OS 22 lla i929 ^°' ^^ Bab ° quiv0ri m °untains, Arizona. Sep- 

 Ipomoea cardiophylla. No. 24975. Baboquivori mountains, Arizona. Sep- 

 tember 22 1929 No. 24976. Ramsey Canon, Huachuca mountains, 

 Arizona. September 29, 1929. 

 ™^J^"°- 2im ' B ^ivori mountains, Arizona. Sep- 



Cus C uT^T-f nteUS -,^ a24978 - Benson, Arizona. September 27, 1929. 

 Cuscuta California (?). No. 24979. Mohawk, Arizona. September 18, 



Cuscuta curia. No. 24980. Baboquivori mountains, Arizona. September 

 OctoSr'l^ 9 29 2498L MiUer Canon > Huachuca mountains, Arizona. 



GSL^rf i ta - N °- 2 1? 82 - Sentine1 ' Arizona - Se P tember 18 > 1929 ' 

 tlZ C A ™ hm ™T- Na 24983 ' Ramse y Canon, Huachuca moun- 

 tains, Arizona. September 19, 1929. 



