FABACEAE. 
213 
6. Aragallus sericeus (Nutt.) Greene. ( Oxytropis sericea Nutt.) On 
hills and table-lands from N. D. and Wyo. to N. M. and Ariz.—Alt. 4000- 
9000 ft.—Estes Park; Sargents; La Veta; Cimarron; Grayback mining 
camps and Placer Gulch; Platte Canon; Horsetooth Gulch; Campton’s 
ranch; west of Rist Canon; Wray; Pinkham Creek. 
7. Aragallus monticola (A. Gray) Greene. (O. monticola A. Gray) On 
mountain ridges from Sask. and Wash, to Colo.—“Colorado”; exact locality 
not given. 
8. Aragallus albiflorus A. Nels. In mountain valleys of Wyo. and Colo. 
—Alt. 5000-11,000 ft.—Cucharas Valley, near La Veta; butte five miles 
southwest of La Veta; Iron Mountain; Placer; Ft. Collins; Buena Vista; 
Chambers’ Lake; west of Rist Canon; Palmer Lake; Pennock’s mountain 
ranch; Campton’s ranch, North Poudre. 
9. Aragallus Richardsonii (Hook.) Greene. ( Oxytropis splendens 
Richardsonii Hook.) In mountain valleys from Sask. and Yukon to Colo. 
—Alt. 8000-10,000 ft.—North Park; Georgetown; Middle Park; Como, 
South Park; mountain near Veta Pass; Twin Lakes; Indian Creek Pass; 
Arkansas Junction, near Leadville; Eldora to Baltimore; Empire. 
28. GLYCYRRHIZA L. Wild Liquorice. 
1. Glycyrrhiza lepidota Nutt. Among bushes and in rich meadows from 
Ont. and Wash, to N. Y. and Ariz.; also in Mex.—Alt. 4000-8000 ft.—Colorado 
Springs; Parlin, Gunnison Co.; Alamosa; Grand Junction; Huerfano Val¬ 
ley, near Gardner; Arboles; Ft. Collins; Walcott; Pueblo; Denver; Poudre 
Canon; Rist Canon; near Boulder. 
29. AMORPHA L. False Indigo, Lead-plant. 
Tall shrub; leaflets 2-5 cm. long; pods usually 2-seeded. x. A. angustifolia. 
Low shrubs; leaflets 5-1.5 cm. long; pods i-seeded. 
Glabrous or nearly so; spike usually solitary at the ends of the branches. 
2. A. nana. 
Densely canescent; spikes usually clustered. 3. A. canescens. 
1. Amorpha angustifolia (Pursh) Boynton. ( A . fruticosa angustifolia 
Pursh; A. fruticosa James; not L.) Along streams from S. D. and Mont, to 
Fla. and Colo.—Alt. 4000-5000 ft.—Sterling, Logan Co.; river flats and plains 
east of Ft. Collins. 
2. Amorpha nana Nutt. ( A . microphylla Pursh) On dry prairies from 
Man. to Iowa and Colo.—Palmer Lake. 
3. Amorpha canescens Pursh. Sand-hills and prairies from Ind. and Man. 
to La., Tex. and Colo.—Along Platte River. 
30. PSORALEA L. Pome Blanche, Indian Bread-root. 
Flowers small, less than 8 mm. long, in racemes or interrupted spikes ; root not 
tuberous. 
Flowers in racemes; leaves not silvery. 
Racemes short and dense, elliptic or oblong; fruit globose. 1. P. lanceolata. 
Racemes lax, more elongated; fruit ovoid. 2. P. tenuidora. 
Flowers in interrupted spikes; leaves silvery. 3. P. argophylla. 
Flowers large, over 1 cm. long, in dense head-like spikes ; plant with a deep-seated 
tuberous, farinaceous root. 
