1240 CONTRIBUTIONS FEOM THE NATIONAL HEEBAEIUM. 



rhombic, 3 to 8 cm. long, rounded to acuminate at apex, usually entire, rarely 

 coarsely dentate, scabrous or pubescent above, usually velutinous-pubescent be- 

 neath ; racemes mostly axillary and short ; calyx 4 mm. long ; fruit about 6 

 mm. long, at first yellow, black whea mature. " Negrito," " orcajuela," 

 " revienta-eabra " (Tamaulipas) ; " satico hediondo " (Veracruz); " cacachila," 

 " panochillo " ( Sinaloa ) . 



A decoction of the plant is adminstered as a remedy for colds. This species 

 has been reported from Mexico as C. villosum Jacq. 



11. Citharexylum bourg-eauianum Greenm. Field Mus. Bot. 2: 185. 1907. 

 "Veracruz ; type from Orizaba. 



Tree, the branchlets tetragonous; leaves oval-elliptic to oblong-lanceolate, G 

 to 18 cm. long, acuminate, acute at base, entire, glabrous above or nearly 

 so, finely hirtellous beneath ; racemes terminal, solitary or paniculate, 20 

 cm. long or less ; corolla white or pink. 



12. Citharexylum 9vatifolium Greenm. Proc. Amer. Acad. 32: 301. 1897. 

 Morelos. Hidalgo, and Oaxaca ; type from Cuernavaca, IMorelos. 



Shrub or small tree, 2 to 6 meters high, the branchlets quadrangular; leaves 

 ovate or elliptic, 4 to 12 cm. long, acute or acuminate, entire or more or less 

 crenate-serrate, scabrid above, hirtellous beneath ; racemes terminal or axil- 

 lary, 10 cm. long or less. 



One specimen which the writer has referred here with some doubt was de- 

 termined originally as C. scssei Don.* The description of that species agrees 

 fairly well with the specimens referred here, but it is too incomplete to per- 

 mit a definite decision upon the subject. 



13. Citharexylum ellipticum Sess5 & Moc. ; Don, Edinburgh New Pliil. Journ. 

 11: 238. 1831. 



Veracruz ; type from somewhere in Mexico. 



Branchlets quadrangular; leaves short-petiolate, oblong to elliptic or broadly 

 ovate, 3.5 to 9.5 cm. long, obtuse or acute at base ; racemes elongate, erect ; 

 calyx 2 to 3 mm. long; fruit about 5 mm. in diameter. 



14. Citharexylum glabrum (S. Wats.) Greenm. Proc. Amer. Acad. 32: 300. 

 1897. 



Oonzalea glabra S. Wats. Proc. Amer. Acad. 25: 152. 1890. 



Type from Lake Chapala, Jalisco. 



Tree, 6 to 8 meters high, glabrous; leaves slender-petiolate, oblong or lance- 

 oblong, 5 to 10 cm. long, narrowed to the obtuse or acute apex, obtuse or acute 

 at base, entire ; racemes 5 to 11 cm. long, nodding, dense ; corolla 5 mm. long ; 

 flowers fragrant. 



15. Citharexylum lucidum Schlecht. & Cham. Linnaea 5: 97. 1830. 

 Veracruz ; type from Jalapa. 



Glabrous throughout ; leaves lanceolate to elliptic, 8 to 15 cm. long, acute at 

 base, very lustrous above; racemes chiefly terminal, solitary or paniculate, 

 erect ; flowers white, fragrant. 



By Schulz ^ C. lucidum is listed as a synonym of C. caudatum L., a West In- 

 dian species, but the Mexican plant appears to be specifically distinct. 



* Edinburgh New Phil. Journ. 11 : 238. 1831. 

 ' In Urban, Symb. Antill. 6 : 58. 1909. 



