359] FLORA OF BOULDER, COLORADO 211 



Family 99. RHINANTHACEAE St. Hil. Rattle-box family. 



395. VERBASCUM L. Mullen. 



916. V. Thapsus L. Common mullen. 



Waste places and cultivated grounds, 5100-6000 ft. (Dan- 

 iels, 457). 



Europe and Asia, thence to North America. 



917. V. Blattaria L. Moth mullen. 



Along Union Pacific Railroad, near Boulder, 5200-5400 ft. 

 (Daniels, 677). 

 Europe and Asia, thence to North America. 



396. LINARIA Mill. Toad-flax. 



918. L. Canadensis (L.) Dumont. Canada toad-flax. 

 Common on the mesas in pine groves south of the Chautau- 

 qua grounds, 5700-6000 ft. (Daniels, 179). 



Nova Scotia to Washington ; Florida to California : 

 Central America: South America. 



397. COLLINSIA Nutt. Innocence. 



919. C. tenella (Pursh) Piper [C. parviflora Dougl.] Little 

 elue-eyed Mary. 



Shady springs and canons in the foothills and gulches in the 

 mesas, 5700-9000 ft. (Daniels, 267). Also at Ward (Ryd- 

 berg). St. Vrain's Canon (Coulter in Wabash College Herb.). 



Ontario to British Columbia ; Michigan to Arizona and 

 California. 



398. SCROPHTJLARIA L. Figwort. 



920. S. occidentalis (Rydb.) Bickn. [S. nodosa occidentalis 

 Rydb.]. Western figwort. 



Canons, common, 5700-8600 ft. (Daniels, 127). 

 North Dakota to Washington; Oklahoma to Califor- 

 nia. 



399. PENTSTEMON Soland. Beard-tongue. 



921. P. oreophilus Rydb. Mountain beard-tongue. 

 Common on the foothills and mountains, 6500-10000 ft. 



