PAPILIONACBEAE 137 
17. Glycyrrhiza. 557. 
1. Glycyrrhiza lepidota Pursh. Wild Liquorice. 
Common on prairies all over the state. Cherry County; Hooker 
ave Lancaster County; Newcastle; Sioux County; Thedford; Val- 
entine. . 
18. Psoralea. 542, 
Leaves mostly 5-foliate, some of the upper sometimes 3-foliate flowers 
mostly 1 cm. or more long. 
Petioles much longer than the leaflets; routs tuberous, globose. 
Stems 1-4 dm. high, spikes 3.5-8 cm. long. 1. P. esculenta 
Stems hardly rising above the ground, spikes not over 2.5 cm. long, 
; 2. P. hypogaea. 
Petioles little if any longer than the leaflets. 
Flowers in loose spikes, stipules 3-4 mm. long. 4. P. digitata. 
Flowers sessile in dense heads, stipules 5-10 mm, long. 
Calyx lobes nearly equal, all much shorter than the corolla. 
3. P. cuspidata. 
Calyx lobes very unequal, the lower 1 cm, long, longer than the 
corolla. 5. P. argophylia. 
Leaves mostly 3-foliate, the lower sometimes 5-foliate, flowers 4-9 mm. 
long. 
Peduncles longer than the leaves, mostly several times as long. 
Leaflets linear, 2-4 mm. wide. 9. P. linearifolia. 
Leaflets broader. 
Flowers sessile on the peduncles. 6. P. collina. 
Flowers stalked on the peduncles. 
Flowers few, 1-2 to each bract, 4-5 mm. long. 
hie, ‘ 7. P. tenuiflora. 
Flowers many, 2-3 to each bract, 5-7 mm. long. 
8. P. floribunda. 
Peduncles aboat as long as the leavse, spikes few flowered. 
Leaflets filiform-linear. 11, P. micrantha. 
Leaflets narrowly oblong. 10. P. lanceolata. 
#1. Psoralea esculenta Pursh. Pomme Blanche. 
In high praifies throughout the state. Atkinson; Beatrice; Fairbury; 
Gordon; Holdrege; Ponca; Red Cloud; Sheridan County; Sioux 
County; Thedford; Valentine. 
2. Psoralea hypogaea Nutt. 
Rare in the western part of the state. Alliance; Deuel County. 
3. Psoralea cuspidata Pursh. : 
On dry bluffs and prairies, probably throughout the western part of the 
state. Dakota Junction; Grand Rapids; Valentine. 
4. Psoralea digitata Nutt. 
Common on prairies in the sand-hill regions. Anselmo; Grand Island; 
Kearney; Long Pine; Norway; Phelps County; Sargent; Sheridan 
County; Weigand. 
5. Psoralea argophylla Pursh. 
Common on prairies throughout the state. Belmont; Box Butte 
