138 UNIVERSITY OF MISSOURI STUDIES [286 



is probably this plant (cf. Coulter-Nelson's New Manual of 

 Rocky Mountain Botany, p. 240). 

 MONTANA and IDAHO to COLORADO. 



522. M. arguta (D. Don) Small [Saxifraga arguta D. Don; 

 S. denudata Nutt. ; S. punctata Hook., in part; not L.]. 

 SMOOTH SAXIFRAGE. 



In springy places and along streams; mountains between 

 Sunshine and Ward; Massif de 1' Arapahoe (Rydberg). 

 Streams near Bloomerville, and on Arapahoe Peak, 9000- 

 12000 ft. (Daniels, 308). 



MONTANA to BRITISH COLUMBIA; NEW MEXICO to CALI- 

 FORNIA. 



213. LEPTASEA Haw. 



523. L. chrysantha (Gray) Small [Saxifraga chrysantha 

 Gray]. GOLDEN SAXIFRAGE. 



Toward summit of Arapahoe Peak, 13000-13500 ft. (Dan- 

 iels, 949, collected by Mrs. T. D. A. Cockerell). 

 COLORADO and NEW MEXICO. 



524. L. Hirculus (L.) Small [Saxifraga Hirculus L.]. ARC- 

 TIC SAXIFRAGE. 



In wet places at Caribou (Rydberg). Redrock lake, 10100 

 ft. (Ramaley & Robbins). 



GREENLAND to ALASKA; COLORADO to BRITISH COLUMBIA: 

 EUROPE: ASIA. 



525. L. austromontana (Wieg.) Small [Saxifraga bronchia- 

 les Torr. ; not L. ; 5. austromontana Wieg.] . WESTERN 



MOUNTAIN SAXIFRAGE. 



On rocky ledges, Boulder Canon above the Falls; at Sun- 

 set; and above timberline, Arapahoe Peak, 7000-13000 ft. 

 (Daniels, 542). Also at Caribou; South Boulder Peak; moun- 

 tains between Sunshine and Ward (Rydberg). 



ALBERTA to BRITISH COLUMBIA ; NEW MEXICO to WASHING- 

 TON. 



526. L. flagellaris (Willd.) Small [Saxifraga flagellaris 

 Willd.]. FLAGELLATE SAXIFRAGE. 



Massif de T Arapahoe, 10000-13500 ft. (Rydberg). 

 GREENLAND to ALASKA; COLORADO to ARIZONA. 



