406 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



15. Cassia villosa Mill. Gard. Diet. ed. 8. Cassia no. 4. 1768. 

 Cassia astroites Cham. & Schlecht. Linnaea 5: 597. 1830. 

 Cassia articulata Rose, Contr. U. S. Nat. Herb. 12: 266. 1909. 

 Baja California ; Oaxaca ; Yucatan. 



Shrub 1 to 2 meters high, easily recognized by the stellate pubescence; 

 leaflets 3 or 4 pairs, ovate, 2.5 to 6.5 cm. long, acute or acuminate; flowers 

 yellow ; fruit 4 to 5 mm. wide, densely pubescent, deeply constricted between 

 the seeds. 



16. Cassia inaequilatera Balb. ; DC. Prodr. 2: 490. 1825. 



Reported from Oaxaca by Bentham. Colombia and Venezuela; type from 

 Santa Marta, Colombia. 

 Leaflets ovate, acuminate; flowers in axillai'y racemes. 



17. Cassia berlandieri Benth. Trans. Linn. Soc. Hot. 27: 520. 1871. 



Tamaulipas and Veracruz ; type from Tampico. 

 The writer has seen no material of this species. 



18. Cassia densiflora Mart. & Gal. Bull. Acad. Brux. 12: 304. 1843. 

 Durango to Veracruz, Oaxaca, and Chiapas ; type from Guatulco, Oaxaca. 

 Leaflets obliquely ovate, 6 to 15 cm. long, obtuse or acute, thin, bright green ; 



flowers yellow, in axillary racemes. 



19. Cassia oxjrphylla Kunth. Mimos. PI. Legum. 129. pi. 39. 1819-24. 

 Cassia hartwegil Benth. PI. Hartw. 117. 1843. 



Sinaloa to Chiapas. Central America and northwestern South America ; type 

 from Venezuela. 



Shrub, 2 to 4.5 meters high; leaflets oblique, oblong to obovate-oval, 6 to 18 

 cm, long, usually short-acuminate ; flowers large, pale yellow ; fruit subterete, 

 about 14 cm. long and 1 to 1.5 cm. in diameter, the valves thin, smooth. 

 "Candelillo" (Costa Rica); " frijol de monte " (Panama); " casia fistula" 

 (Sinaloa). 



The plant is used in Sinaloa as a vomitive. 



20. Cassia fruticosa Mill. Gard. Diet. ed. 8. Cassia no. 10. 1768. 

 Cassia hacillaris L. f. Suppl. PI. 231. 1781 



Guerrero to Chiapas, Yucatan, and Veracruz. West Indies, Central America, 

 and northern South America. 



Slender, erect or scandent shrub ; leaflets ovate, oblong, or obovate, oblique, 

 7 to 18 cm. long, usually acuminate ; flowers yellow, large and showy ; fruit 

 terete, 14 to 35 cm. long, 1 cm. or less in diameter. " Quitegato " (Guerrero) ; 

 "quelite" (Tabasco, Rovirosa) ; " vainillo " (Nicaragua); "sen de palillos" 

 (Costa Rica). 



This is probably the species reported by Sess§ and Mociiio * as C. viminea. 



21. Cassia undulata Benth. in Hook. Journ. Bot. 2: 76. 1840. 



MichoacSn and Guerrero to Tabasco. Central America and northern South 

 America. 



Erect or scandent shrub, 2 to 4 meters high ; leaflets obliquely lanceolate or 

 ovate, 4.5 to 9 cm. long, long-acuminate, bright green, lustrous ; flowers yellow, 

 large and showy. 



22. Cassia tomentosa L. f. Suppl. PI. 231. 1781. 



Queretaro to Hidalgo and Oaxaca ; often cultivated. Central America and 

 South America. 



Shrub or small tree, 1 to 4.5 meters high, tomentose throughout ; leaflets ob- 

 long, 2 to 6.5 cm long; flowers large and showy; fruit subterete, tomentose, 



'PI. Nov. Hisp. 63. 1887. 



