292 BORAGINACEAE. 



13. Mertensia myosotifolia Heller. On mountains in Colo. Red Cliff, 

 Eagle Co. 



14. Mertensia fusiformis Greene. (M. congesta Greene) On hillsides in 

 Colo. Alt. 7000-10,000 ft. Graham's Peak ; Bob Creek, West La Plata Moun- 

 tains ; Cimarron ; Minturn ; Poverty Ridge. 



15. Mertensia viridula Rydb. Along mountain streams in Colo. Alt. 

 6000-12,000 ft. Jack Brook; North Cheyenne Canon; Cascade Canon; Col- 

 orado Springs; Ruxton; West Spanish Peak. 



16. Mertensia lineariloba Rydb. On hillsides in Colo. Alt. 8000-9000 ft. 

 West Indian Creek; near Empire. 



17. Mertensia Parryi Rydb. On the higher mountains of Colo. Alt. 

 11,000-12,000 ft. Alpine ridges east of Middle Park; Cameron Pass; Alpine 

 Tunnel; Estes Park; Beaver Creek; Gray's Peak; Ethel Peak. 



18. Mertensia ovata Rydb. On high mountains among rocks in Colo. Alt. 

 9000-10,000 ft. West Spanish Peak; Anita Peak. 



19. Mertensia amoena A. Nels. On hills in Wyo. and Colo. Alt. 5000- 

 10,000 ft. Montezuma ; Boulder ; Eldora to Baltimore. 



20. Mertensia linearis Greene. On dry hillsides from Ass. to Neb. and 

 Colo. Alt. 5000-9000 ft. Cucharas Valley, near La Veta; Georgetown; 

 plains near Denver; South Cheyenne Canon, Colorado Springs; Platte 

 Canon; Manitou; El Paso Co.; Wahatoya Creek; near Livermore, Larimer 

 Co. ; Clear Creek Canon ; hills southeast of La Veta ; Boulder ; Malta station, 

 near Leadville; Eldora to Baltimore. 



21. Mertensia lanceolata (Pursh) DC. On hills in damp places from Mont. 

 to Colo. Alt. 5000-10,000 ft. Foot-hills west of Ft. Collins; Howe's Gulch; 

 north of La Porte; Rist Canon; gulch west of Soldier Canon; Eldora to 

 Baltimore; Boulder; vicinity of Horsetooth. 



22. Mertensia alpina (Torr.) Don. On alpine peaks of Colo. Alt. 11,000- 

 14,000 ft. Massif de 1'Arapahoe; Pike's Peak; headwaters of Clear Creek; 

 Argentine Pass; Garden of the Gods; Saddle cliffs. 



23. Mertensia perplexa Rydb. On high mountains of Colo. Mountains 

 south of Ward, Boulder Co. 



24. Mertensia brevistyla S. Wats. In the mountains of Utah, Wyo. and 

 Colo. Exact locality not given. 



25. Mertensia canescens Rydb. On alpine peak of Colo. Alt. 11,000-12,000 

 ft. Berthoud Pass ; mountains southwest of Como. 



9. MYOSOTIS L. FORGET-ME-NOT. 



i. Myosotis alpestris Schmidt. In mountain meadows from Alb. and 

 Alaska to Colo. Devil's Causeway. 



10. LITHOSPERMUM L. CROMWELL, PUCCOON. 



Corolla-lobes neither fimbriate nor toothed ; flowers all well developed. 



Corolla greenish or pale yellow, i cm. or less long ; crest in the throat obsolete. 

 Corolla-limb 3-5 mm. wide ; tube not longer than the calyx ; stem grayish 



strigose, but scarcely hispid. i. L. Torreyi. 



Corolla-limb 5-8 mm. wide ; tube longer than the calyx ; stem more or less 

 hispid. 2. L. pilosum. 



