Family LEGUMINOSA 145 
6. Psoralea collina Rydb. 
On hillsides in the northwestern part of the state. Chadron; Ft. 
Robinson; Scotts Bluff county. 
7. Psoralea tenuiflora Pursh. 
Common on hills and table-lands in the western part of the state. 
Deuel county; Fairbury; Franklin; Ft. Robinson; Lincoln; Phelps 
couiuly; Talmage. 
8. Psoralea floribunda Nutt. 
Psoralea tenuiflora var. floribunda (Nutt.) Rydb. 
In valleys, most common in the eastern part of the state. Minden. 
9. Psoralea linearifolia Torr. & Gray. 
Rare in the western part of the state. Buffalo county; Deuel county. 
10. Psoralea lanceolata Pursh. 
Common in sandy soil in the central and western part of the state. 
Belmont; Haigler; Kearney county; Mullen; Riverton; Rock county; 
Sheridan county; Sioux county; Thomas county. 
19. Amorpha. 545. 
Plants 2-5 m. high; ieaflets 1.5-3 cm. long. 1. A. fruticosa. 
Plants 1 m. or less high; leaflets not more than 1 cm. long. 
Grayish-canescent; leaflets about 1 cm. long; spikes several, 
clustered. 2. A. canescens. 
Glabrous; foliage bright green, leaflets 5-7 mm. long; spike usually 
solitary, terminal. 3. A. nana. 
1. Amorpha fruticosa L. False Indigo. 
Common along streams throughout the state. Fairbury; Indianola; 
Kearney; Lincoln; Ponca; Red Cloud; Thedford; Walton. 
2. Amorpha canescens Pursh. Shoe-strings, Lead-plant. 
Common on dry prairies throughout the state. Anselmo; Aten; 
Lincoln; Sheridan county; Talmage; Thedford. 
3. Amorpha nana Nutt. Dwarf False Indigo. 
Amorpha microphylla Pursh. 
i the bluffs of the Missouri in northeastern Nebraska. Aten; 
utte. 
20. Parosela (Dalea). 545. 
Glabrous; spikes usually several; flowers white or pink. 
Spike long, 5-13 cm., flowers distant; leaflets 5-11. 1. P. enneandra. 
Spikes short. 2-5 cm., dense; leaflets 15-41. 2. P. dalea. 
Pubescent; spike solitary, ovoid or globose; flowers yellow. 
3. P. aurea. 
1. Parosela enneandra (Nutt.) Britton. 
Rather common in the western part of the state. Broken Bow; 
Callaway; Deuel county; Hastings; Kearney; Minden; Niobrara; 
Phelps county; Red Cloud. 
2. Parosela dalea (L.) Britton. 
Dalea alopecuroides Willd. 
Common on prairies in the eastern and central parts of the state. 
Atkinson; Bellevue; Franklin; Kearney; Keyapaha county; Repub- 
lican City; Saunders county; Seward. 
3. Parosela aurea (Nutt.) Britton. 
Dry, gravelly soil mostly in the northern part of the state. Deuel 
