RHINANTHACEAE. 317 



16. Castilleja Haydeni (A. Gray) Cockerell. (C. pallida Haydeni A. Gray) 

 On the higher mountains of Colo. Alt. about 12,300 ft. Cumberland Mine, 

 La Plata Mountains. 



17. Castilleja linearis Rydb. In the mountains of Colo. Alt. 8500-12,000 

 ft. Gibb's Peak, Custer Co.; West Spanish Peak. 



1 8. Castilleja hispida Benth. On hills and mountains from Mont, and 

 Wash, to Colo, and Utah. Alt. about 7500 ft. Mountains, Larimer Co.; 

 Dolores ; Cimarron ; Pinkham Creek. 



19. Castilleja occidentalis Torr. (C. pallida occidentalis A. Gray) On 

 the higher mountains from Alb. and B. C. to Colo. Alt. 11,000-14,000 ft. 

 Near Empire; Pike's Peak; Gray's Peak; Ward; Mt. Ouray; Alpine Tunnel; 

 Cameron Pass; Mt. Garfield; Berthoud Pass; Beaver Creek; Ethel Peak; 

 summit of North Park Range, Routt Co. 



20. Castilleja luteovirens Rydb. In mountain meadows from Wyo. and 

 Colo. Alt. 7000-9000 ft. Headwaters of Clear Creek; Seven Lakes, near 

 Pike's Peak; Veta Pass; Hamor's Lake, north of Durango; Chicken Creek, 

 west of Mt. Hesperus ; Sangre de Cristo Creek ; Wahatoya Creek. 



21. Castilleja sulphurea Rydb. In the mountains from S. D. and Wyo. to 

 Colo, and Utah. Alt. 7000-10,000 ft. Rabbit-Ears, Larimer Co. ; Mt. Har- 

 vard; Georgetown; Andrews' Shetland ranch; Grayback mining camps and 

 Placer Gulch; Steamboat Springs; Cameron Pass; Columbine; Denver; Gun- 

 nison; Chambers' Lake; Ward; Ruxton Dell; North Park; Empire; Lake 

 Moraine, Pike's Peak; Silver Plume; Graymont ; Rico; Twin Lake; Walton 

 Creek; Leroux Creek. 



22. Castilleja wyomingensis Rydb. In the mountains from Mont, to Colo, 

 and Utah. Alt. 7500-9000 ft. Wahatoya Creek; Red Mountain road, south 

 of Ouray. 



23. Castilleja lineata Greene. In the mountains of Colo. Alt. 9000-10,000 

 ft. West Spanish Peak; Pagosa Springs. 



24. Castilleja puberula Rydb. In the mountains of Colo. Alt. 8000-12,000 

 ft. " Colorado " ; Empire ; Berthoud Pass. 



25. Castilleja brachyantha Rydb. (C. breviflora A. Gray) In the moun- 

 tains of Wyo. and Colo. Alt. 8000-10,000 ft. Headwaters of Clear Creek; 

 North Park, near Teller; Grizzly Creek. 



26. Castilleja flava S. Wats. In dry valleys from S. D., Mont, and B. C. 

 to Colo, and Utah. Alt. about 8000 ft. Upper Laramie River; Pinkham 

 Creek. 



27. Castilleja sessiliflora Pursh. On dry plains from Ills, and Ass. to Mo., 

 Tex. and Ariz. Alt. 4000-7000 ft. Table Rock; Ft. Collins; Colorado 

 Springs ; near Pueblo ; Tobe Miller's ranch ; Colorado City. 



14. ORTHOCARPUS Nutt. 



Corolla yellow; spike densely flowered; seeds costate. i. O. lutens. 



Corolla white, turning rose-purple ; spike lax ; seeds with a loose reticulate coat. 



2. O. purpureo-albus. 



i. Orthocarpus luteus Nutt. On dry plains and in sandy soil from Sask. 

 and Wash, to Colo, and Nev. Alt. 4000-10,000 ft. Grizzly Creek; South 

 Park; Georgetown; foot-hills, Larimer Co.; Pagosa Springs; Trimble 



