Colorado VVked Seeds 
5 :^ 
1. Vetch, Tare, Wild Pea 
{VicAa L.) 
Fig. 89, Vetch (Vicia 
sp.) X 11. 
Pods flat, 2-valved, splitting open 
at maturity ; seeds few or many, irregu- 
lar, spherical or globular in shape, 
usually smooth ; hilum a line lighter in 
color than the rest of the seed; the 
seeds of most species are dull black. 
Vetch {Vicia sp.) (Fig. 89). 
2. Liquorice 
{Glycyrrliiza (Tourn.) L.) 
Pods oblong, compressed, covered 
with prickles or glands, seldom split- 
ting open at maturity. 
Wild Liquorice {Glycyrrhiza 
lepidota {Tourn.) L.) (Fig. 90).— 
Seeds mostly enclosed in a prickly pod ; 
seeds black, irregular in shape, 2-.3 
mm. long, 1.8-2. 2 mm. wide. 
3. Pomme de Prairie, Bread-root, Wild Alfalfa, Indian Turnip 
{Psoralea L.) 
I*ods seldom splitting open at ma- 
turity, covered with glandular dots, 
rough, each bearing a single seed ; pods 
pointed, oval in outline. 
Few-flowered Psoralea, Wild 
Alfalfa, or Bread-root {Psoralea 
tenuiflora L.) (Fig. 91). — Seeds huffy- 
brown to deep olive in color, rarely 
mottled, regular in shape; hilum in 
the middle of one edge, distinct, much 
lighter in color than the remainder of 
the seed ; seeds 4-6 mm. long, 2.5-3 mm. 
wide. 
Fig. 90. Wild Liquo- 
rice (.Glycyrrhiza lepid- 
dota). A. Spiny pod 
X 2. P>. Seed, x 6. 
