138 ROSALES 
County; Haigler; Lincoln;” St. James; Sioux County; Thedford; 
Wahoo. 
6. Psoralea collina Rydb. 
On hillsides in the northwestern part of the state. Chadron; Ft. Rob- 
inson; Scotts Bluff County. 
7. Psoralea tenuiflora Pursh, 
Common on hills and table-lands in the western part of the state. 
Deuel County; Fairbury; Franklin; Lincoln; Phelps County; Ft. Robin- 
son; Talmage, 
_8. Psoralea floribunda Nutt. 
Psoralea tenuiflora 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. 
11. Psoralea micrantha ‘A, Gray. 
(Included in P, lanceolata in Gray’s Manual.) 
Nebraska according to Britton’s Manual. 
19. Amorpha. 545. 
Plants 2-5 m. high, leaflets 1.5-3 cm. long. 1, A. fruticosa. 
Plants 1 m. or less high, leaflets not more than 1 cm. long, 
Softly 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; Lin- 
coln; Sheridan; Talmage; Thedford. 
3. Amorpha nana Nutt. 
Amorpha microphylla Pursh. 
Abundant on the bluffs of the Missouri in northeastern Nebraska. 
Aten; Butte. 
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; Calla- 
way; Deuel County; Hastings; Kearney; Nelson; Minden; Niobrara; 
Phelps County; Red Cloud. 
