178 UNIVERSITY OF MISSOURI STUDIES [326 



728. E. adenocladon (Haussk.) Rydb. [E. paniculatum aden- 

 ocladon Haussk.]. GLANDULAR PANICLED WILLOW-HERB. 



At Boulder (Rydberg). 



SOUTH DAKOTA to WYOMING; COLORADO to UTAH. 



297. GAYOPHYTTTM Juss. GAYOPHYTE. 



729. G. intermedium Rydb. INTERMEDIATE GAYOPHYTE. 

 Very common throughout except in the high alpine region, 



5100-8600 (Eldora) ft. (Daniels, 159). Also at Caribou, 

 Ward, and between Sunshine and Ward (Rydberg). 

 MONTANA to WASHINGTON; COLORADO to CALIFORNIA. 



298. OENOTHERA L. EVENING PRIMROSE. 



730. 0. strigosa (Rydb.) Blankinship [Onagra strigosa Rydb. ; 

 Oenothera biennis strigosa Rydb.] . HAIRY EVENING PRIM- 

 ROSE. 



Common on the plains and foothills, 5100-8000 ft. (Daniels, 



137). 

 MINNESOTA to WASHINGTON; MISSOURI to NEW MEXICO 



and UTAH. 



731. 0. Hookeri T. & G. [O. biennis hirsutissima Gray; Ona- 

 gra Hookeri (T. & G.) Small]. HOOKER'S EVENING PRIM- 

 ROSE. 



Rare on the mesas and foothills, the flowers turning pink 

 in withering, 5700-9000 ft. (Daniels, 562). 



IDAHO to CALIFORNIA; NEW MEXICO to MEXICO. 



299. ANOGRA Spach. WHITE EVENING PRIMROSE. 



732. A. albicanlis (Pursh) Britton [Oenothera albicaulis 

 Pursh; 0. pinnatifida Nutt.]. WHITE-STEMMED WHITE 



EVENING PRIMROSE. 



Common on the plains and mesas, and along the shore-sands 

 of Boulder creek, 5100-7000 ft. (Daniels, 141). 



NORTH DAKOTA to MONTANA; TEXAS to NEW MEXICO and 

 SONORA. 



