BORAGINACEAE. 
293 
Corolla bright yellow or orange, 12 mm. or more long; crest of the tube 
prominent. 
Floral leaves of the later flowers small, shorter than the flowers; limb of the 
corolla 6-8 mm. wide. 3. L. multiflorum. 
Floral leaves of the later flowers not reduced; limb of the corolla 8-20 mm. 
wide. 
Hispid pubescent; corolla-tube bearded at the base within. 
4. L. Gmelini. 
Canescent; corolla-tube not bearded at the base within. 
5. L. canescens. 
Corolla-lobes fimbriate or dentate; later flowers cleistogamous. 
Corolla 2.5-3 (rarely only 2) cm. long; lobes distinctly fimbriate. 
6 . L. linearifolium. 
Corolla 2 cm. or less long; lobes dentate. 
Corolla 15-20 mm. long; limb 8-20 mm. wide. 7. L. mandanense. 
Corolla 10 mm. or less long; limb 6-8 mm. wide. 8. L. breviflorum. 
1. Lithospermum Torreyi Nutt. On hills and in canons from Mont, and 
Ida. to Colo, and Utah.—Alt. 8000-8600 ft.—Poverty Ridge, near Cimarron; 
below Parrott Post Office; Steamboat Springs. 
2. Lithospermum pilosum Nutt. On hills from Alb. and B. C. to Colo, and 
Nev.—Leroux Creek, Delta Co.; Minturn; Denver. 
3. Lithospermum multiflorum Torr. On hills and mountain sides and in 
canons from Wyo. to N. M. and Ariz.; also in Mex.—Alt. 7000-10,000 ft.— 
Thompson’s Park, La Plata Mountains; Crystal Park; Colorado Springs; 
Estes Park, Larimer Co.; Grayback mining camps and Placer Gulch; mouth 
of Cheyenne Canon; North Cheyenne Canon; Artist’s Glen; Como, South 
Park; Canon City; southeast of Ouray; Piedra; above Mancos; Pike’s Peak; 
headwaters of Clear Creek; Horsetooth Gulch; Table Rock; Northwest of 
Soldier Canon; Hotchkiss; Rist Canon; Seven Lakes; Empire. 
4. Lithospermum Gmelini (Michx.) Hitchc. (L. hirtum Lehm.) In sandy 
places and dry plains from N. Y. and Mont, to Fla. and N. M.—Denver 
{Eastwood). 
5. Lithospermum canescens (Michx.) Lehm. On plains and in open 
woods from Ont. and N. D. to Ala., Tex. and Colo.—Alt. 4000-6000 ft.— 
Boulder. 
6. Lithospermum linearifolium Goldie. (L. angustifolium Michx.) On 
prairies and plains from Ill., Man. and B. C. to Tex. and Ariz.—Alt. 4000- 
7000 ft.—Mt. Harvard; Colorado Springs; river-bluffs, north of La Veta; 
mesas near Pueblo; Cucharas River below La Veta; Trinidad; plains near 
Denver; Ft. Collins; Lamar; Durango; Spring Canon; Boulder. 
7. Lithospermum mandanense Spreng. On dry plains from N. D. and 
Alb. to Tex. and Ariz.—Alt. 4000-5000 ft.—Larimer Co.; Colorado City. 
8. Lithospermum breviflorum Engelm. & A. Gray. (L. albescens Greene) 
On dry plains from Ark. and Colo, to Tex. and N. M.; also Mex.—Alt. 
4000-6000 ft.—Arboles; Boulder. 
11. ONOSMODIUM Michx. False Grom well. 
1. Onosmodium occidentale Mackenzie. On plains and in sandy soil from 
Man. and B. C. to Mo., Tex. and Utah.—Alt. 3500-5000 ft.—Along Platte 
River, Denver; Ft. Collins; Boulder; Golden; Longmont. 
