Part 4, 1924] FABACEAE: GALEGEAE 247 



12. Benthamantha Edwardsii (A. Gray) Rose, 

 Contr. U. S. Nat. Herb. 10: 99. 1906. 



~ Cracca Edwardsii A. Gray, PI. Wright. 2: 35. 1853. 



Cracca sp. Benth.; Benth. & Oerst. Vidensk. Meddel. 1853: 9. 1853. 



Benthamantha Grayi Alef. Bonplandia 10: 264. 1862. 

 -Cracca Edwardsii sericea A. Gray, Proe. Am. Acad. 17: 201. 1882. 



Cracca sericea A. Gray, Proc. Am. Acad. 19: 74. 1883 



BriUonamra caribaea Edwardsii Kuntze, Rev. Gen. 165. 1891. 



BrUtonamra sericea Kearney, Trans. N. Y. Acad. 14: 32. 1894. 



Benthamantha sericea Britten & Baker f. Jour. Bot. 38: 19. 1900. 



A low, suffruticose perennial; stem branched, '2-3 dm. high, woody at the base; branches 

 canescent with ascending hairs; stipules subulate-setaceous, 3-5 mm. long; leaves 3-10 cm. 

 long; rachis villous-canescent; stipels less than 1 mm. long; leaflets 9-13, elliptic, 1-2.5 cm. 

 long, acute or obtuse, sparingly silky above, densely silky-canescent beneath, cuspidate, the 

 cusps and petiolules about 1 mm. long; racemes 4—10 cm. long, slender, as long as or longer 

 than the leaves: bracts subulate, 2-3 mm. long; calyx silky-pilose, the tube 2 mm. long, the 

 lobes lance-subulate, 2-3 mm. long, the lowest longer than the rest; corolla 7-8 mm. long, the 

 banner purple, the keel and the wings ochroleucous; pod 5-5.5 cm. long, 3 mm. wide, glabrous, 

 12-16-seeded. 



Tvpe locality: Near Monterey, Xuevo Le6n. 



Distribution: Southern Arizona and northern Sonora to Nucvo Le6n. 



13. Benthamantha trifoliolata Rydberg, sp. now 



A shrub, 5 dm. high or more; branches silky-canescent when young, angled, dark-brown 

 or purplish, in the second year glabra te and straw-colored; stipules setaceous, 6-10 mm. long, 

 leaves 3-5 cm. long; rachis canescent; stipels setaceous, 1-1.5 mm. long; leaflets 3, oval, 1.5-4 

 cm. long, 0.8-2 cm. wide, hirsutulous above, densely hirsute beneath, rounded or obtuse at 

 each end or acutish at the base, mucronate; racemes 3-5 cm. long, 3-6-flowered; calyx pilose; 

 the tube about 2 mm. long, the lobes lance-subuUte, attenuate, the lowest one 3 mm. long; 

 corolla purplish, 7 mm. long; pod 4-5 cm. long, fully 3 mm. wide, minutely puberulent 

 or glabrate, 9-15-seeded. 



Type collected at Tehuacan, Puebla, June, 1912. Purpus 5715 (herb. N. Y. Bot. Gard.). 

 Distribution: Puebla and Guerrero. 



14. Benthamantha robusta Rydberg, sp. nov. 



A stout perennial; stem simple, probably 1 m. high, densely short-villous, grayish-sub- 

 velutinous, striate; leaves 5-10 cm. long; stipules setaceous, 8-10 mm. long; rachis subvelti- 

 tinous; leaflets lanceolate to elliptic-ovate, 2-7 cm. long, 1-3 cm. wide, acute or acutish at each 

 end, subvelutinous on both sides; racemes 2 cm. long or less, 2-4-flowered; calyx canescent, 

 the tube 3 mm. long, the lobes lance-subulate, 3 mm. long; corolla unknown; pod 6-8 mm. 

 long, 3 mm. wide, glabrous or slightly pruinose, 20-25-seeded. 



Type collected in the Iguala Canon, Guerrero, November 31, 1903, Holway 40 (U. S. Nat. 

 Herb. no. 47 > 548). 



15. Benthamantha glabella (A. Gray) Rydb. 



Cracca Edwardsii A. Gray, PI. Wright. 2: 35, in part. 1853. 

 Cracca Edwardsii glabella A. Gray, Proc. Am. Acad. 17: 201. 1882. 

 Benthamantha Grayi glabella Britten & Baker f. Jour. Bot. 38: 19. 1900. 



A suffruticpse perennial, woody at the base, with a fusiform root; stem 2-4 dm. high, 

 sparingly pilose; stipules subulate, 2 mm. long; leaves 4-7 cm. long; leaflets 13-21, elliptic or 

 oval. 0.5-1.5 cm. long, rounded at each end, sparingly pilose along the margin and the veins 

 or glabrate above, often purple along the veins beneath, mucronate: stipels minute or obsolete; 

 racemes 4-7 cm. long, sparingly pilose; bracts subulate, 2 mm. long; calyx silky, the tube 2 



