283] FLORA OF BOULDER, COLORADO 135 



508. A. divaricarpa. A. Nels. Divergently podded rock- 

 cress. 



North slope of Green Mt, Gregory Canon, 6400 ft. (Dan- 

 iels, 528). Mountains between Sunshine and Ward (Ryd- 

 berg). 



Assiniboia to Colorado and Utah. 



202. THELYPODITJM Endl. 



509. T. paniculatum A. Nels. [T. sagittatum Endl.; T. 

 torulosum Heller]. Panicled thelypodium. 



Near the summit of Flagstaff Hill, 6500-7000 ft. (Daniels, 

 223). 



Montana to Colorado and Utah. 



203. STANLEY A Nutt. 



510. S. glauca Rydb. Glaucous Stanley's cress. 



Along the railroad between Boulder and Valmont, 5200-5300 

 ft. (Daniels, 415). 

 North Dakota to Wyoming; Colorado to Utah. 



Family 52. CAPPARIDACEAE Lindl. Caper family. 



204. POLANISIA Raf. Clammy-weed. 



511. P. trachysperma T. & G. Large-flowered clammy 

 weed. 



Along railroads and in creek-sands, 5100-7000 ft. (Daniels, 



483)- ' 



Assiniboia to Texas and Nevada. 



205. PERITOMA DC. Cleome. 



512. P. sermlatum (Pursh) DC. [Cleome serrulata Pursh]. 

 Pink cleome. Rocky Mountain bee plant. 

 Sands and waste places, 5100-9000 ft. (Daniels, 286). 

 Saskatchewan to Idaho; Missouri to Arizona. 



512a. P. serrulatum albiflorum Cockerell. White cleome. 

 Sunset Canon, 7000 ft. (Daniels, 603). 



