630 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



25. Acalypha calif ornica Benth. Bot. Voy. Sulph. 51. 1844. 



Baja California and northwestern Sonera ; type from Magdalena Bay, Baja 

 California. 



Slender shrub ; leaves broadly ovate, obtuse or acute, crenate-dentate, densely 

 pubescent ; staminate spikes 1 to 2.5 cm. long ; pistillate spikes 2 cm. long or 

 less ; ovary muricate. 



26. Acalypha umbrosa T. S. Brandeg. Erythea 7 : 7. 1899. 

 Baja California ; type from Socorro Island. 



Leaves ovate or lance-ovate, acuminate, crenate-serrate, glandular-pubescent, 

 long-petiolate ; staminate spikes pedunculate, equaling or shorter than the 

 leaves. 



27. Acalypha papillosa Rose, Contr. U. S. Nat. Herb. 1: 358. 1895. 

 Known only from the type locality, Agiabampo, Sonora. 



Shrub, 1.5 to 2 meters high, nearly glabrous; leaves deltoid-ovate, 5 to 11 cm. 

 long, cuspidate-acuminate, crenate-serrate ; pistillate spikes all terminal, few- 

 bracted ; capsule hispid. 



28. Acalypha ocymoides II. B. K. Nov. Gen. & Sp. 2 : 93. 1817. 

 Known only from the type locality, Volcan de JoruUo, Michoacan. 



Leaves ovate, 8 cm. long, acuminate, coarsely serrate, appressed-pilosulous 

 beneath; staminate spikes 4 to G cm. long; pistillate spikes 10 to 20 cm. lon^;; 

 ovary hirtellous and muricate. 



29. Acalypha triloba Muell. Arg. Linnaea 34: 23. 1865. 

 Described from Mexico, the locality not known. 



Stems hispid ; leaves ovate, 5 to 8 cm', long, acuminate, serrulate, hispid ; 

 pistillate spikes 5 to 9 cm. long ; ovary muricate, hirsute. 



30. Acalypha f ournieri Muell. Arg. Linnaea 34 : 162. 1865. 



Colima, Jalisco, San Luis Potosi, and Veracruz ; type from San Luis Potosl. 



Shrub ; leaves broadly ovate to lance-oblong, 2 to 6 cm. long, acute or acumi- 

 nate, crenate-serrate, densely pilose beneath ; pistillate spikes very dense ; 

 ovary muricate and hispid. 



31. Acalypha adenostachya Muell. Arg. Linnaea 34: 21. 1865. 

 Acalypha suMnscida S. Wats. Proc. Amer. Acad. 21: 440. 1886. 

 Sonora and Chihuahua to San Luis Potosl, Morelos, and Guerrero. 



Stems woody or sufEruticose, 0.5 to 1.5 meters high, viscid-pubescent ; leaves 

 ovate or lanceolate, 3 to 11 cm. long, acuminate, serrate or crenate-serrate, 

 viscid-pubescent beneath ; staminate spikes long and slender, pedunculate ; 

 ovary muricate and glandular-pubescent. " Hierba del cS,ncer " (Sinaloa). 



The plant is used in Sinaloa as a remedy for wounds. 



32. Acalypha langiana Muell. Arg. Linnaea 34: 159. 1865. 



Sinaloa to Queretaro and Oaxaca ; type from Cuilapa, Oaxaca. Guatemala. 



Stems suffruticose, a meter high or less, viscid-pubescent ; leaves ovate or 

 broadly ovate, 2 to 8 cm. long, crenate-serrate or dentate, viscid-pubescent, 

 r^irely glabrate; .spikes usually very numei-ous and den.se; ovary muricate. 

 "Hierba del cancer" (Puebla). 



33. Acalypha pringlei S. Wats. Proc. Amoi". Acad. 20: 373. 1885. 



Known only from the shores of the Gulf of California, northwestern Sonora, 

 the type locality. 



Low shrub ; leaves broadly ovate, 2 to 3.5 cm. long, crenate-dentate, viscid- 

 pubescent ; staminate spikes pedunculate ; pistillate spikes short, few-flowered ; 

 bracts 7 to 11-dentate. 



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