196 UNIVERSITY OF MISSOURI STUDIES [344 



825. C. ambigens House. Hairy bindweed. 



Plains near Boulder (Rydberg). Perhaps only a state of 

 the preceding. 

 Colorado to New Mexico and California. 



353. VOLVULUS Medic. Bracted bindweed. 



826. V. interior (House) Cockerell. Nov. comb. [Convolvu- 

 lus interior House]. Inland bracted bindweed. 



Low flats near Valmont Dike, 5200-5300 ft. (Daniels, 669). 

 Nebraska to Colorado ; Oklahoma to Arizona. 



Family 93. POLEMONIACEAE. Jacob's ladder family. 



354. PHLOX L. Phlox. 



827. P. multiflora A. Nelson. Many-flowered phlox. 

 North Boulder Peak (Rydberg). 



Montana to Colorado. 



828. P. depressa (E. Nelson) Rydberg [P. multiflora de- 

 pressa E. Nelson]. Low phlox. 



Dry slopes of the foothills, 6000-8000 ft. (Daniels, 105). 

 Colorado. 



829. P. longifolia Nutt. Long-leaved phlox. 



Near Long's Peak (Porter & Coulter; also Coulter in Wa- 

 bash College Herb.). 

 Montana to Washington; Colorado to Oregon. 



355. MICROSTERIS Greene. 



^30. M. micrantha (Kellogg) Greene [Collomia micrantha 

 Kellogg]. Small-flowered microsteris. 



At Boulder (Cockerell). 



Nebraska to Wyoming ; Colorado to California ; South 

 America (Chili and Bolivia to Magellan Straits). 



356. LINANTHUS Benth. 



831. L. Harknessii (Curran) Greene [Gilia Harknessii Cur- 

 ran]. Harkness' Linanthus. 



Flood-sands of streams, north slope of Green Mt., 6000-8000 

 ft. (Daniels, 467). 



Montana to British Columbia; Colorado to California. 



