STANDLEY — TREES AND SHRUBS OF MEXICO. 467 



Leaflets rounded or obtuse at apex, 5 to 17 mm. wide. 

 Leaflets reticulate-veined, subeordate at base. 



16. B. discolor. 

 Leaflets not reticulate-veined, rounded or obtuse at base. 

 Leaflets 14 to 17 mm. wide, broadly rounded or retuse at 



apex 17. B. luisana. 



Leaflets 5 to 8 mm. wide, obtuse at apex. 



18. B. peninsularis. 

 Calyx copiously pilose or sericeous. 



Venation of the lower surface of the leaflets very prominent 



and closely reticulate 19. B. parryi. 



Venation of the leaflets neither very prominent nor closely 

 reticulate. 



Pubescence of the peduncles retrorse 20. B. goldm^anii. 



Pubescence of the peduncles spreading, ascending, or ap- 

 pressed. 



Corolla 2.7 to 3 cm. long 21. B. benthamiana. 



Corolla less than 2.5 cm. long. 



Leaflets 6 to 11 mm. long 22. B. vicioides. 



Leaflets 14 to 50 mm. long 23. B. intermedia. 



1. Brongniartia inconstans S. Wats. Proe. Amer. Acad. 22: 404. 1887. 

 Jalisco and Michoacan ; type from Tequila, Jalisco. 



Glabrous shrub about a meter high ; stipules very large, resembling the 

 leaflets, these 1.2 to 5.5 cm. long, coriaceous, reticulate-veined, glaucescent be- 

 neath ; flowers 3 cm. long, yellowish brown, turning purple. 



2. Brongniartia lunata Rose, Contr. U. S. Nat. Herb. 5: 194. 1899. 

 Known only from the type locality, east of Huasemote, Durango. 

 Leaflets 7 to 11, oval, 4 to 6 cm. long. 



3. Brongniartia nudiflora S. Wats. Proc. Amer. Acad. 25: 146. 1890. 

 Brongniartia pahiieri Rose, Contr. U. S. Nat. Herb. 1: 97. 1891. 

 Sonora to Jalisco ; type from hills near Guadalajara. 



Shrub, 45 to 90 cm. high ; leaflets 7 to 15, 2.5 to 6 cm. long, copiously pilose, 

 reticulate-veined; flowers purplish. " Haba de barranca" (Jalisco). 



4. Brongniartia podalyrioides H. B. K. Nov. Gen. & Sp. 6: 468. pi. 588. 1823. 



? Brongniartia hilahiata Micheli. Mem. Soc. Phys. Hist. Nat. Geneve 34: 248. 

 pt. 1. 1903. 



Sonora to Guerrero and Morelos ; type collected near La Punta de Ixtla, 

 between Tasco and Cuernavaca, Morelos, altitude 900 meters. 



Shrub, 1 meter high or less ; leaflets about 11, elliptic or oval, glabrate in 

 age; flowers 2.5 cm. long; fruit 2.5 cm. wide or narrower, glabrous, glaucescent. 



B. galegoides Presl,^ probably a Mexican plant, is closely related to this 

 species. 



5. Brongniartia mollicula T. S. Brandeg. Univ. Calif. Publ. Bot. 3: 380. 1909. 

 Oaxaca and Puebla ; type from San Luis Tultitlanapa, Puebla. 



Leaflets 7 or 9, oval or suborbicular, bright green ; flowers 2 to 2.5 cm. long. 



6. Brongniartia minutifolia S. Wats. Proc. Amer. Acad. 20: 360. 1885. 

 Brongniartia minutifolia canescens S. Wats. Proc. Amer. Acad. 23: 271. 1S8S. 

 Chihuahua. Western Texas: type from Chisos Mountains. 



Shrub. 0.3 to 1 meter high; leaflets numerous, linear. 2 to 4 mm. long; 

 flowers 1 cm. long; fruit 1.5 cm. long, 1 cm. wide. 

 The Chihuahua plant is B. minutifolia canescens. 



* Symb. Bot. 2: 21. pi. 67. 1833. 



