RHINANTHACEAE. 319 



Kate Basin, La Plata Mountains; Seven Lakes; Cameron Pass; Marshall 

 Pass; Alpine Tunnel; Beaver Creek; Berthoud Pass. 



3. Pedicularis bracteata Benth. In wet places in the mountains from Alb. 

 and B. C. to Colo, and Utah. Alt. 9000-12,000 ft Marshall Pass; Cameron 

 Pass; near Pagosa Peak; Tennessee Pass, 7 miles west of Leadville; Mt. 

 Hesperus; Leroux Parks, Delta Co.; Upper La Plata River; Beaver Creek: 

 Berthoud Pass ; summit of North Park Range, Larimer Co. 



4. Pedicularis Grayi A. Nels. (P. procera A. Gray) In wooded ground 

 in the mountains of Wyo. and Colo. Alt. 8000-13,000 ft Near Empire; 

 Cameron Pass; headwaters of Clear Creek; Andrews' Shetland ranch; Bear 

 Lake Canon; Georgetown; Silver Plume; Upper La Plata Canon; Como; 

 South Park; West Spanish Peak; near Pagosa Peak; Bear Creek Canon, 

 near Colorado Springs; Buena Vista; Veta ; Pike's Peak; Hamor's Lake; 

 Ruxton Park; gulch south of Steamboat Springs; Hotchkiss; Bosworth's 

 ranch; Stove Prairie; Empire. 



5. Pedicularis scopulorum A. Gray. On the higher peaks of Colo. Alt. 

 10,000-13,000 ft. South Park; Mt. Abram, Ouray; Gray's Peak. 



6. Pedicularis canadensis L. In mountain meadows and moist woodlands 

 from N. S., Man. and Wyo. to Fla. and N. M. Alt. 6000-9000 ft. Pike's 

 Peak ; North Cheyenne Canon ; headwaters of Sangre de Cristo Creek ; Crys- 

 tal Park ; Veta Pass ; Cucharas River, below La Veta ; Table Rock. 



7. Pedicularis crenulata Benth. In meadows and parks of Wyo. and Colo. 

 Alt. 7000-10,000 ft. Gunnison ; Sapinero ; Parlin ; South Park ; Westcliffe ; 

 Buena Vista ; Como, South Park ; Sand Creek Pass ; Walden. 



1 8. RHINANTHUS L. YELLOW-RATTLE. 



i. Rhinanthus Crista-galli L. On wooded hills and in meadows from Lab. 

 and Alaska to N. Y., N. M. and Ore. ; also in Europe. Pagosa Springs. 



Family 121. PINGUICULACEAE Dumort. BLADDERWORT FAMILY. 



i. UTRICULARIA L. BLADDERWORT. 



Leaves 2-3 times pinnately divided with long divisions; corolla about 12 mm. 



wide ; spur prominent, elongated-conical, curved. i. U. vulgaris. 



Leaves dichotomously divided with very short divisions ; corolla 4-6 mm. wide ; 



spur a mere protuberance. 2. U. minor. 



1. Utricularia vulgaris L. In water from Newf. and Alaska to Fla. and 

 Calif.; also in Europe. Alt. 8000-12,000 ft Rio Grande, Alamosa; Parlin; 

 Seven Lakes; Estes Park. 



2. Utricularia minor L. In water from Greenl. and B. C. to N. J., Colo, 

 and Calif. ; also in Europe. Near Grand Lake. 



Family 122. OROBANCHACEAE Lindl. BROOM-RAPE FAMILY. 



Flowers subtended by bractlets. i. MYZORRHIZA. 



Flowers without bractlets. 2. THALESIA. 



