338 
Stamens 9 or 10. 
Corolla of 5 petals. 
Pods not falcate; petals 
very unequal; herbs 
or low shrubs........ 15. 
Pods falcate; petals nearly 
equal; tall shrub.... 12. 
Corolla of less than 5 petals. 
Petals 1, the banner... 18. 
14. 
Petals wanting........ 
Foliage not glandular-punctate. 
Leaves 3-foliolate. 
Leaflets entire or merely undu- 
late. 
Shrub; flowers scarlet; stems 
spiny........2...-2.020-- 28. 
Herbs; flowers not scarlet; 
stems not spiny. 
Leaflets 4 or more.........- 9, 
. ACMISPON (p. 348). 
Leaflets more or less toothed. 
Pods curved or coiled; flowers 
racemose 
Pods straight; flowers racemose 
or capitate. 
Leaves pinnate; valvesof the 
pod leathery; flowers in 
racemes 
Leaves digitate; pod valves 
thin; flowersin heads.. 8. 
Leaves several to many-foliolate. 
Shrubs or small trees; stems 
spiny; flowers pink..,...... 
Herbs, at most woody only at 
the base; stems sometimes 
spiny; variously colored. 
Stipulesspiny ; leaflets want- 
ing or flowers early de- 
ciduous........-....-- 
Stipules not spiny; leaflets 
persistent. 
Keel prolonged into a beak 
Keel not prolonged into a 
1. THERMOPSIS R. Br. 
18. 
CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
PAROSELA (p. 350). 
VIBORQUIA (p. 349). 
AmorpPHA (p. 349), 
PARRYELLA (p. 350). 
EryTHrina (p. 376). 
ANIsoLotus (p. 346). 
. Mepicaco (p. 348). 
. MELILotus (p, 348). 
TRIFOLIUM (p. 344). 
Rosinta (p. 356). 
. PETERIA (p. 356). 
. Oxytropis (p. 370). 
. ASTRAGALUS (p. 356). 
Coarse perennial herbs with palmately 3-foliolate leaves; flowers 1 cm. long or more 
bright yellow, racemose; pods flat, several-seeded; stems 30 to 50 cm. high, sparingly 
appressed-pubescent. 
KEY TO THE SPECIES. 
Pods erect, straight...........22.- 22.2. eee eee eee ee ee eee eens 
Pods spreading, arcuate.......... 2.2... cece cece cece e ence ee cnee 
1. T. pinetorum. 
2. T. divarwarpa. 
