114 
**Medicago minima (L.) Bartal., small bur clover, prickly medick 
(Yatskievych, 1990 
+M. polymorpha L., California bur clover, bur clover, p. 892 
var. vulgaris (Benth.) Shinn. 
¢M. sativa L., alfalfa, p. 891 
SSp. sativa 
MELILOTUS, sweet clover 
¢Melilotus albus Medikus, white sweet clover, p. 894 
*M. officinale (L.) Pallas, yellow sweet clover, yellow melilot, 
p. 894 
ONOBRYCHIS 
+Onobrychis viciifolia Scop., sainfoin, p. 936 
ORBEXILUM [S, G, M: PSORALEA] 
(Isely, 1986b) 
Orbexilum onobrychis (Nutt.) Rydb., French grass [S, M: Psoralea 
onobrychis Nutt.] (Isely, 1986b), p. 896 
O. pedunculatum (Miller) Rydb., Sampson’s snakeroot [S, G, M: 
hypo psoralioides (Walter) Cory] (Isely, 1986b), 
p. 
var. pedunculatum [S, G, M: Psoralea psoralioides var. 
eglandulosa (Elliott) Freeman] (Isely, 1986b, 1988) 
OXYTROPIS, locoweed 
Oxytropis lambertii Nutt., purple locoweed, p. 911 
var. lambertii 
PEDIOMELUM [S, G: PSORALEA] 
(Isely, 1986b) 
Pediomelum esculentum (Pursh) 
Rydb., prairie turnip, Indian 
droot, wild po 
tato [S, G: Psoralea esculenta Pursh] 
(Isely, 1986b), p. 897 
S: Steyermark G: Great Plains Flora. M: Mohlenbrock 
