283] FLORA OF BOULDER, COLORADO 1 35 



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. THELYPODIUM 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. STANLEYA 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. CAPP ARID ACE AE 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. semilatum (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 Caiion, 7000 ft. (Daniels, 603). 



