l88 UNIVERSITY OF MISSOURI STUDIES [336 



333. ANDROSACE L. Rock primrose. 



781. A. puberulenta Rydb. Puberulent rock primrose. 

 Mountain slopes above Bloomerville near snow, 9200 ft. 



(Daniels, 338). Plains near Boulder (Rydberg). 

 Manitoba, Mackenzie and Alberta to New Mexico. 



782. A. pinetomm Greene. Pine forest rock primrose. 

 Common under rocks in the foothills and mesas, 5700-8100 



ft. (Daniels, 276). Probably Porter and Coulter's A. septen- 

 trionalis L. from Long's Peak is this plant, as is Coulter's 

 plant from Long's Peak in Wabash College Herb. 

 Mackenzie to Yukon ; Colorado to Arizona. 



783. A. subumbellata (A. Nelson) Small. Subumbellate 

 rock primrose. 



Above timberline, Arapahoe Peak, a diminutive alpine form, 

 11500-12000 ft. (Daniels, 876). 

 Montana to Colorado and Arizona. 



784. A. diffusa Small. Diffuse rock primrose. 



At Glacier lake, 8500-9000 ft. (Daniels, 714). Also Massif 

 de r Arapahoe (Rydberg). Redrock lake, loioo ft. (Ramaley 

 &Robbins). 



Mackenzie to British Columbia; New Mexico to Ari- 

 zona, 



785. A. subulifera (Gray) Rydb. [A. septentrionalis suhuli- 

 fcra Gray]. Subuliferous rock primrose. 



Near Boulder (Coulter). 

 Montana to Colorado. 



334. STEIRONEMA Raf. Loosestrife. 



786. S. ciliatum (L.) Raf. [Lysiinachia ciliata L.]. Fringed 

 loosestrife. 



In springy grounds and moist caiions, 5100-8000 ft. (Dan- 

 iels, 7z). 



Nova Scotia to British Columbia; Georgia to Arizona: 

 naturalized in Europe. 



