319] FLORA OF BOULDER, COLORADO I7I 



Order 29. HYPERICALES. 

 Family 72. HYPERICACEAE Lindl. St. Johnswort family. 



285. HYPEHICUM L. St. Johnswort. 



6945^. H. formosum H. B. K. Handsome St. Johnswort. 

 Common in mountain swamps (Ramaley). 

 Colorado and Utah to Mexico and Southern California. 



695. H. majus (Gray ) Britton [H. Canadense majus Gray]. 

 Larger Canadian St. Johnswort. 



Along streams in the plains, a dwarf form only a decimetre 

 high, 5100-5400 ft. (Daniels, 787). Also foothills near Boul- 

 der (Rydberg). 



Maine to British Columbia; New Jersey to Colorado. 



Family 73. VIOLACEAE D C. Violet family. 



286. VIOLA L. Violet. 



696. V. palustris L. Marsh violet. 

 Eldora to Baltimore (Rydberg). 



Labrador to Alaska ; New York to Colorado. 



697. V. pallens (Banks) Brainerd. Pale violet. 



Caribou (Rydberg). Redrock lake, loioo ft. (Ramaley & 

 Robbins). 



Newfoundland to British Columbia; North Carolina 

 to Utah. 



698. V. cognata Greene. Western blue violet. 

 Plains and foothills near Boulder (Rydberg), 



South Dakota to Alberta; New Mexico to California. 



699. V. Nuttallii Pursh. Nuttall's violet. 



Plains and foothills near Boulder (Rydberg). Abundant 

 at Boulder (Cockerell). 



Manitoba to Montana; Missouri to New Mexico and 

 Arizona. 



