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 Carion; Cascade Caiion; 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 Carion, Colorado Springs ; Platte 

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

 Co. ; Clear Creek Caiion ; 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 Cation; 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 I'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. FOEGET-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-Iimb 3-5 mm. wide ; tube not longer than the calyx ; stem grayish 



strigose, but scarcely hispid. 1. L. Torreyi. 



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

 hispid. i. L. pilosum. 



