190 NORTH AMERICAN FLORA [Volume 24 



6. Brongniartia Palmeri Rose, Contr. U. S. Nat. Herb. 1: 97. 



1891. 



A shrub, 4—7 dm. high; young branches sparingly pilose-ciliate with light-brown hairs; 

 leaves 5-10 cm. long; stipules large, ovate, semicordate at the base, 12-16 mm. long, ciliate 

 on the margins and veins beneath; petiole and rachis ciliate; leaflets 13-17, oblong, apiculate, 

 glabrous above, ciliate on the margins and midrib beneath, thin, not strongly reticulate; 

 inflorescence pseudo-racemose, the floral leaves usually reduced to the large persistent stipules; 

 flowers 2-5 at each node; calyx glabrous, about 12 mm. long, the lobes broadly lanceolate, 

 acute; corolla rose-purple; banner obovate-orbicular, 18 mm. long, short-clawed; wings about 

 as long, obliquely oblanceclate, with a deltoid basal auricle and short claw; keel-petals oblance- 

 olate, falcate; pod 3-5.5 cm. long, 1.5 cm. wide, 3-6-seeded, the stipe very short; seeds 6-7 

 mm. long, 4-5 mm. wide. 



Type locality: Alamos, Sonora. 

 Distribution: Sonora. 



7. Brongniartia nudiflora S. Wats. Proc. Am. Acad. 25: 146. 



1890. 



A low shrub; branches more or less villous-pilose with yellow-hairs; leaves 10-12 cm. 

 long; stipules large, 1-2 cm. long, broadly ovate, semicordate, strongly reticulate, more or 

 less pilose; petiole and rachis pilose; leaflets 7-13, oval, apiculate, 3-5 cm. long, 1.5-3 cm. 

 wide, strongly reticulate, subcoriaceous, sparingly pilose on both sides; inflorescence pseudo- 

 racemose, the floral leaves reduced to the large stipules; flowers 1-6 at each node; pedicels 

 1-2 cm. long; bractlets obsolete or setaceous; calyx glabrous, 12-14 mm. long, the lobes lanceo- 

 late, acute; corolla maroon or dark-purple, 1 cm. long, as in the preceding; pod glabrous, 

 4-4.5 cm. long, 12-13 mm. wide, 6-8-seeded, somewhat spongy between the seeds; seeds 7 

 mm. long, 5 mm. wide. 



Type locality: Guadalajara, Jalisco. 

 Distribution: Jalisco. 



8. Brongniartia foliolosa Benth.; Hemsl. Diag. 



PI. Nov. 7. 1878. 



A low shrub; branches glabrous or slightly short-hirsute when young; leaves 4-8 dm. 

 long; stipules obliquely ovate, 5-8 mm. long; petiolules 0.5 mm. long; leaflets 15-45, oblong, 

 rounded at each end, mucronate, glabrous, strongly reticulate, 3-10 mm. long; flowers axillary, 

 solitary or 2 together; pedicels 1-2 cm. long; bractlets ovate-cordate, reticulate, deciduous, 

 about 8 mm. long; calyx glabrous, about 1 cm. long, the lobes lanceolate, acuminate; corolla 

 15-18 mm. long; banner orbicular, short-clawed; pod 3-4 cm. long, 1.5 cm. wide, 5-6-seeded, 

 the stipe equaling the calyx. 



Type locality: Zimapan, Hidalgo. 

 Distribution: Hidalgo to Puebla. 



9. Brongniartia diffusa Rose, Contr. U. S. Nat. 



Herb. 5: 194. 1899. 



A low diffuse shrub, perhaps 1 m. high, glabrous or nearly so; leaves 6-12 cm. long; 

 stipules oblong to ovate, 6-8 mm. long, acute, deciduous; petiolules about 1 mm. long; leaflets 

 7-21, oblong, 1-2 cm. long, rounded at each end, mucronate, glabrous, thin; flowers 1 or 2 

 in each axil; pedicels 2.5-3.5 cm. long, slender; bractlets ovate or oval, subcordate at the base, 

 8-10 mm. long, membranous, caducous; calyx 8-10 mm. long, glabrous without; corolla 18 

 mm. long, purple; banner rounded-ovate, the claw 5 mm. long; pod glabrous, about 4 cm. 

 long and 12 mm. wide, the stipe about equaling the calyx. 



Type locality: Between Pedro Paulo and San Blascito, Tepic. 

 Distribution: Known only from the type locality. 



