328 NORTH AMERICAN FLORA [Volume 24 



about 10 mm. long; banner obovate, retuse, strongly arched; wings much shorter, the blade 

 oblong, falcate, equaling the claw, with a large basal auricle; keel-petals broader and shorter, 

 the blade lunate; pod slightly stipitate, the body strigulose, ellipsoid, tapering at each end, 

 15-20 mm. long, 5-7 mm. wide and thick. 



Type locality: Santa F6, New Mexico. 

 Distribution: New Mexico and Arizona to Durango. 

 Illustration: M. E. Jones, Rev. Astrag. pi. 44, f. 155. 



16. Pisophaca Saundersii Rydberg, sp. nov. 

 A cespitose perennial; stems decumbent at the base, 3-5 dm. high, branched, sparingly 

 strigose, terete; leaves ascending, 6-10 cm. long; stipules broadly deltoid, 3-5 mm. long; 

 leaflets 15-19, oblong or oblanceolate, 1-2 cm. long, 3-6 mm. wide, glabrate above, sparingly 

 strigose beneath, rounded, truncate or retuse at the apex, cuneate at the base; peduncles 5—10 

 cm. long; racemes 3-6 cm. long, rather lax; bracts lance-subulate, 2-3 mm. long; pedicels 1 mm. 

 long; calyx grayish-strigose, the tube 3 mm. long, 2 mm. broad, the teeth subulate, 1.5 mm. 

 long; corolla apparently ochroleucous, about 8 mm. long; banner broadly obovate, abruptly 

 arched at the middle; wings shorter, the blade oblanceolate, falcate, keel-petals shorter, the 

 blade broadly lunate, rounded at the apex; pod stipitate, strigose, the stipe 1.5 mm. long, the 

 body oblong, 12-15 mm. long, 5-6 mm. thick, membranous. 



Type collected at Glenwood Springs, Colorado, June 11. 1S93, D. A. Saunders D (herb. Univ. 

 Minn.j. 



17. Pisophaca datilensis Rydberg, sp. nov. 



A cespitose perennia' ; stems decumbent at the base, 2-3 dm. high, sparingly strigose with 

 rather long hairs; leaves spreading, 4—7 cm. long; stipules lance-deltoid, long-acuminate, 

 5-6 mm. long; leaflets 11-15, oblong-oblanceolate, abruptly short-acuminate at the apex, 

 acute at the base, 5—1 S mm. long, 2-5 mm. wide, green, sparingly strigose beneath, glabrous 

 above; peduncles 5-6 cm. long; racemes 2-3 cm. long; bracts lanceolate, about 5 mm. long; 

 pedicels 1 mm. long; calyx long-strigose, the tube 4 mm. long, 3 mm. wide, the teeth 3.5 mm. 

 long, lanceolate; coro'la light-purple, fully 1 cm. long; banner bioadly obovate; wings nearly 

 as long, the blade oblanceolate, slightly falcate, with a large basal auricle; keel-petals much 

 shorter, the blade obliquely obovate, rounded at the apex; pod ovoid-elliptic, sparingly strigose, 

 obtuse at the base, acute at the apex, sessile, 12-15 mm. long, 5 mm. wide and thick. 



Type collected at Negrito Ranger Station, Datil Forest, New Mexico, September 22, 1919, 

 Eggleslon, 16087 (herb. N. Y. Bot. Gard.). 



18. Pisophaca stictocarpa Rydberg, sp. nov. 



A cespitose perennial; stems many, decumbent, flexuose, much branched, grayish-strigose, 

 about 3 dm. long, leaves spreading, 4-8 cm. long, the rachis strigose; stipules deltoid, 3-4 mm. 

 long, acuminate; leaflets 15-25, oblong or cuneate, 5-12 mm. long, rounded or retuse at the 

 apex, pilose on both sides, spaiingly so above; peduncles 4—6 cm. long; racemes 4-10 cm. long, 

 many -flowered ; bracts subulate, 2 mm. long, longer than the pedicels; calyx pilose, the tube 

 3-4 mm. long, the teeth subulate, 2 mm. long; corolla puiple, 8-10 mm. long; banner obovate, 

 moderately arched; wings shorter, the blade obliquely oblanceolate, somewhat falcate, with a 

 large basal auiicle; keel-petals shorter, the blade broadly lunate, almost semi-orbiculai ; pod 

 sessile, short-villous, mottled, obliquely ovoid, 1.5-2 cm. long, 5 mm. wide, 6 mm. thick, 

 rounded at the base, acute at the apex, membranous. 



Type collected on hills at Santa Fe, New Mexico, May 28, 1897, Heller, 3606 (herb. N. Y. Bot. 

 Card.). 



Distribution: Type locality and Sandia Mountains, New Mexico. 



19. Pisophaca punicea (Osterhout) Rydberg. 



Astragalus puniceus Osterhout. Muhlenbergia 1: 140. 1906. 

 Xylophacos puniceus Rydb. Bull. Torrey Club 40: 48. 1913. 

 Astragalus gracilentus exsertus M. E. Jones, Rev. Astrag. 195. 1923. 



A perennial, with a creeping rootstock; stems decumbent below, 3-5 dm. long, pilose- 

 canescent; leaves ascending, 6-10 dm. long; stipules lanceolate, 4—6 mm. long, pilose, gteen; 



