Part 6, 1929] 



FABACEAE: GALEGEAE 



323 



1. Flexuosae 



Pod abruptly contracted into a very short stipe. 

 Pod glabrous; corolla white. 



Leaflets 5-11, narrowly linear, glaucous, sparingly strigulose be- 

 neath. 

 Leaflets 11—21, oblong to linear, canescent beneath, but not glaucous. 

 Pod strigulose. 



Pod mottled; corolla dark-purple. 

 Pod not mottled; corolla light-purple to white. 

 Pod straight or nearly so. 

 Leaves glabrous above. 



Stipe of pod obsolete; corolla white. 



Stipe of pod about 1 mm. long; corolla usually purplish. 

 Leaves strigose on both sides. 

 Pod distinctly arcuate. 

 Pod gradually tapering into the stipe. 



2. Hallianae 



Leaflets from oblong or elliptic to cuneate; pod straight; stems 3-5 dm. 



high. 

 Leaflets linear or rarely narrowly oblong; pod curved; stems 1-2 dm. high. 



3. Fameucae 

 Pod strigose or short-hispidulous, not mottled. 



Calyx-lobes half as long as the tube or shorter. 



Corolla nearly 15 mm. long; pod oblong-elliptic. 

 Leaflets oblong or oblanceolate. 



Body of the pod rounded at the base, sessile, somewhat sul- 



cate on the lower suture. 

 Body of the pod acute at each end, short-stipitate, not sulcate. 

 Leaflets linear. 

 Corolla about 10 mm. long. 



Pod obovoid-elliptic, S— 10 mm. broad. 

 Pod ellipsoid, 5-7 mm. broad, or less. 



Leaflets linear or linear-cuneate ; pod sessile ; corolla purplish. 

 Leaflets oblong to elliptic; pod stipitate; corolla ochro- 

 leucous. 

 Calyx-lobes about as long as the tube. 

 Pod villous, mottled. 



Corolla about 10 mm. long. 

 Corolla about 15 mm. long. 



Leaflets 13-19, obtuse or retuse. 

 Leaflets 31-41, acute. 



1. P. proximo. 



2. P. Sierrae-Blancae. 



3. P. ratonensis. 



P. Diehlii. 

 P. flexuosa. 

 P. pinonis. 

 P. elongala. 

 P. Salidae. 



9. P. Hallii. 

 10. P. coriace, 



1 1 . P. Gerlrudis. 



12. P. famelica. 



13. P. antonina. 



14. P. Greenei. 



15. P. gracilenta. 



16. P. Saundersii. 



17. P. datilensis. 



18. P. stictocarpa. 



19. P. punicea. 



20. P. neomexicana. 



1. Pisophaca proxima Rydberg. 



Homalobus proximus Rydb. Bull. Torrey Club 32: 667. 1906. 



A cespitose perennial; stems erect, branched, 2-4 dm. high, grayish-strigose; stipules 

 strigose, more or less connate, the lower ovate-deltoid, the upper deltoid-lanceolate; leaves 

 4-6 cm. long; leaflets 5-11, linear or linear-oblong, obtuse, 5-11 mm. long, 1-2 mm. wide, 

 glaucous, glabrous above, grayish-strigose beneath; peduncles 3-6 cm. long, strigose; racemes 

 3-9 cm. long; bracts lanceolate, 1-2 mm. long; calyx strigose, the tube 2-2.5 mm. long, the 

 lobes deltoid-subulate, 0.5 mm. long; corolla white or ochroleucous ; banner obovate, 5-6 mm. 

 long; wings nearly as long, the blades lunate; keel-petals shorter, with a rounded apex; pod 

 linear, terete, glabrous, about 12 mm. long and 3 mm. wide and thick, abruptly contracted at 

 the base into a stipe 2 mm. long. 



Type locality: Arboles, Colorado. 



Distribution: Southern Colorado and northern New Mexico. 



2. Pisophaca Sierrae-Blancae Rydberg, sp. nov. 



A perennial, with a cespitose caudex; stems branched, 4-6 dm. high, strigose, striate; 

 stipules more or less connate, strigose, the lower ovate-deltoid, the upper deltoid-lanceolate, 

 4-6 mm. long; leaves 4-6 cm. long; leaflets 11-27, linear to linear-oblong, 5-10 mm. long, 1-3 

 mm. wide, glabrous above, strigose beneath; peduncles 5-10 cm. long; racemes 4-10 cm. long, 

 lax; calyx strigose, the tube about 3 mm. long, the teeth nearly 1 mm. long; corolla whitish, 

 about 9 mm. long ; banner 8-9 mm. long, obovate ; wings nearly as long, the blade lunate, acutish, 

 onger than the claw, with an oblong reflexed basal auricle; keel-petals 6-7 mm. long, broadly 



