286 
BORAGINACEAE. 
7. Lappula occidentalis (S. Wats.) Greene. ( Echinospermum Redowskyi 
occidentalis S. Wats.) In sandy places and on dry plains from Sask. and 
Wash, to Mo. and N. M.—Alt. 4000-10,000 ft.—Twin Lakes; mesas near 
Pueblo; South Cheyenne Canon; Colorado Springs; plains near Denver; 
Mancos; Cimarron; river-bluffs, north of La Veta; Mountain View; An- 
tonito; Valley Spur; along Uncompahgre River near Ouray; Los Pinos; 
Ft. Collins; Howe’s Gulch; bank of Arkansas River; Quimby; Spring Canon; 
Manitou. 
8. Lappula cupulata (A. Gray) Rydb. In river valleys from S. D. and 
Ida. to Tex. and Colo.—Alt. 4000-5500 ft.—New Windsor, Weld Co.; mesas 
near Pueblo; Hotchkiss, Delta Co.; Canon City; Denver; Ft. Collins. 
9. Lappula collina Greene. On dry hills from Colo, and Utah to Tex. and 
Ariz.—Palisades. 
2. ERITRICHIUM Schrader. Mountain Forget-me-not. 
Dorsal surface of the nutlets margined with a ridge-like ring, but not toothed. 
1. E. elongatum. 
Dorsal surface of the nutlets with a toothed border ; corolla 4-5 mm. wide. 
2. E. argenteum. 
1. Eritrichium elongatum (Rydb.) White. (E . aretioides elongatum 
Rydb.) On high mountain tops from Mont, and Ore. to Colo.—Alt. 11,000- 
12,000 ft.—Headwaters Clear Creek; above Beaver Creek. 
2. Eritrichium argentum White. ( Omphalodes nana aretioides A. Gray) 
On alpine peaks from Wyo. to Colo, and Utah.—Alt. 11,000-14,400 ft.— 
Gray’s Peak; mountains above Como; mountains of Estes Park, Larimer Co.; 
Pike’s Peak; Chicago Lake; Argentine Pass; Bald Mountain; Bush Creek, 
Custer Co. 
3. PIPTOCALYX Torr. 
1. Piptocalyx circumscissa Torr. ( Krynitzkia circuniscissa A. Gray) In 
dry soil from Ida. and Wash, to Colo., Ariz. and Calif.—Routt. Co., near 
Wyoming line. 
4. OREOCARYA Greene. 
Fruit depressed; nutlets at the margin separated by an open space. 
Leaves appressed-canescent, not hispid; corolla 5-7 mm. wide. 
1. O. cinerea. 
Leaves with a fine canescence intermixed with hispid hairs ; corolla less than 
5 mm. wide. 
Plant low, grayish, not yellowish-hispid above ; racemes short, 2-ranked. 
2. O. sutfruticosa. 
Plant tall, yellowish-hispid above; racemes in fruit elongated, i-ranked. 
3. O. multicaulis. 
Fruit conical or ovoid ; nutlets touching each other. 
Corolla-tube not exserted. 
Floral leaves long, many times longer than the short flower-clusters. 
4. O. virgata. 
Floral leaves comparatively short, little if at all surpassing the flower- 
clusters. 
Sepals ovate-lanceolate, only slightly exceeding the mature nutlets; in¬ 
florescence a panicle with rather few branches. 
