194 NORTH AMERICAN FLORA [Volume 24 



24. Brongniartia angustata Rydberg, sp. nov. 



A shrub; young branches densely pilose; leaves 5-15 cm. long; stipules deciduous; petiole 

 about 1 cm. long, as well as the rachis densely pilose; leaflets 13-17, linear-lanceolate or rarely 

 oblong, mostly 2-3.5 cm. long, 7-10 mm. wide, glabrous above, silky beneath, strongly reti- 

 culate, acute at each end, mucronate; flowers axillary; pedicels about 2 mm. long, densely 

 villous-pilose ; calyx fully 1 cm. long, densely pubescent; corolla unknown; pod 7-8 cm. long, 

 3 cm. wide, rugose, glabrous, 5-6-seeded, wing-margined on the upper suture. 



Tvpe collected between Mitla and Oaxaca City, September 5-6, 1906, Rose & Rose 11295 

 (herb.'N. Y. Bot. Gard.). 



Distribution: Oaxaca, Michoacan, and Puebla. 



25. Brongniartia hirsuta Rydberg, sp. nov. 



A shrub; young branches rather densely villous; leaves 8-12 cm. long; stipules narrowly 

 lance-linear, 15 mm. long, caducous; petiole 1.5 cm. long, as well as the rachis more or less 

 vinous-pilose; leaflets 11-15, ovate or lance-elliptic, rounded at the base, obtuse or acute 

 and cuspidate at the apex, 3-4 cm. long, strongly reticulate, glabrate above, silky-pilose on 

 the ribs beneath; flowers axillary, usually 2 in each axil; pedicels 2-2.5 cm.* long, villous; 

 calyx 15 mm. long, densely long-villous; corolla unknown; pod 5-6 cm. long, 2-2.5 cm. wide, 

 glabrous, narrowly wing-margined on the iupper suture, 3-5-seeded. 



Type collected at Hacienda Cierno, Querftaro, August 20, 1905, Rose, Painter &* Rose 9652 

 (herb. N. Y. Bot. Gard.). 



Distribution : Queretaro. 



26. Brongniartia suberea Rose, Contr. U. S. Nat. 

 Herb. 5:134. 1897. 



An upright shrub, 2.5-3.5 m. high; young branches at first densely' pubescent with as- 

 cending hairs, later often with high corky ridges; leaves 5-10 cm. long; stipules caducous; 

 leaflets 3-5, ovate to oblong-ovate, 2.5-5 cm. long, 1-3 cm. wide, rounded at the base, mostly 

 acutish at the apex, apiculate, glabrous above, finely short-strigose beneath; flowers axillary, 

 solitary; pedicels 0.5-1.5 cm. long, short-pubescent; bractlets ovate, fully 1 cm. long, finely 

 strigose; calyx about 15 mm. long, nearly glabrous, the lobes lanceolate, acuminate, puberulent 

 on the margins; corolla brownish or "cherry-colored," about 2 cm. long, retuse, suborbicular ; 

 pod glabrous, 4-7 cm. long, 15-18 mm. wide, abruptly acute at the apex, tapering at the base 

 into a very short stipe, 3-6-seeded; seeds 8 mm. long, light-brown. 



Type locality: Acapulco, Guerrero. 



Distribution: Known only from the type locality. 



Illustration: Contr. U. S. Nat. Herb. 5: pi. 13. 



27. Brongniartia trifoliata Brand. Zoe 5: 105. 1901. 



A spreading shrub, 2-4 m. high; young branches short-pilose; leaves 5-10 cm. long; 

 stipules caducous; petiole 1-1.5 cm. long, as well as the rachis short-pilose; leaflets 3, cori- 

 aceous, glabrous, rounded-oval to suborbicular, truncate or subcordate at the base, rounded 

 or retuse at the apex, the lateral ones 2-4 cm. long, 1.5-3 cm. wide, the terminal one 3-5 cm. 

 long, 3-5 cm. wide; petiolules 2-3 mm. long; flowers unknown; pedicels axillary 3-3.5 cm. 

 long; pod 3-3.5 cm. long, 1.5-2 cm. wide, glabrous, narrowly wing-margined on the upper 

 sutures, the stipe 3 mm. long. 



Type locality: Cape Region mountains [Sierra de San Francisquito], Lower California. 



Distribution: Known only from the type locality. 



28. Brongniartia lupinoides (H.B.K.) Standley, Contr. U. S. Nat. 

 Herb. 23: 468. 1922. 



Peraltea lupinoides H.B.K. Nov. Gen. & Sp. 6: 471. 1824. 

 Peraltea oxyphylla DC. M6m. Legum. 463. 1825. 

 Brongniartia thermoides Spreng. Syst. 4 ! : 287. 1827. 

 Megastegia speciosa G. Don, Gen. Hist. 2: 468. 1832. 

 Brongniartia oxyphylla Hemsl. Biol. Centr. Am. Bot. 1: 254. 1880. 



