628 CONTRIBUTIONS FROM THE NATIONAL, HERBARIUM. 



8. Acalypha schlumbergeri Muell. Arg. in DC. Prodr. 15*: 861. 1866. 

 Described from southern or central Mexico, tlie locality not known. 

 Shrub, densely soft-pubescent; leaves ovate or lance-ovate, acute, crenate- 



serrate ; spikes longer than the leaves ; ovary hispid. 



9. Acalypha glandulifera Robins. & Greenm. Amer. Journ. Sci. 50: 1G4. 1895. 

 Oaxaca ; type from Sierra de San Felipe. 



Shrub, 1.5 to 2.5 meters high; leaves ovate or broadly ovate, cordate at 

 base, 5 to 12 cm. long, cuspidate-acuminate, crenate or serrate-dentate, pubes- 

 cent, especially beneath, long-petiolate ; stauiinate spikes, 5 to 10 cm. long; 

 ovary hispid. 



10. Acalypha arvensis Poepp. & Endl. Nov. Gen. & Sp. 3 : 21. 1845. 

 Acalypha pavoniana Muell. Arg. Linnaea 34: 50. 1865. 



Acalypha capitellata T. S. Brandeg. Univ. Calif. Publ. Bot. 6: 183. 1915. 



Veracruz and Oaxaca. Central America to Peru ; type from Peru. 



Slender shrub ; leaves lanceolate to broadly ovate, 3 to 10 cm. long, acuminate, 

 serrate or crenate, pubescent or glabrate ; pistillate heads long-pedunculate ; 

 capsule hirsute. 



11. Acalypha seleriana Greenm, Field Mus. Bot. 2: 254. 1907. 

 Yucatan ; type from Xkombec. 



Shrub, 1 to 2.5 meters high ; leaves ovate to oblong-lanceolate, 2.5 to 5 cm. 

 long, acute or obtuse, dentate or crenate-dentate, pubescent at first but soon 

 glabrate; ovary muricate-hispid. 



12. Acalypha trachyloba Muell. Arg. Flora 1872: 25. 1872. 

 Known only from the type locality, near Oaxaca. 



Shrub ; leaves broadly ovate, 5 to 7 cm. long, cuspidate-acuminate, serrate- 

 dentate, pubescent, especially beneath ; staminate spikes 6 to 9 cm. long ; pistil- 

 late spikes pedunculate. 



13. Acalypha melochiaefolia Muell. Arg. in DC. Prodr. 15': 821. 1866. 

 Known only from the type locality. Hacienda Perado, near Orizaba. 

 Leaves triangular-ovate, 4 to 5 cm. long, crenate-serrate, velutinous; pistillate 



spikes 1.5 cm. long. 



14. Acalypha unibracteata Muell. Arg. Linnaea 34: 160. 1865. 



Veracruz to Yucatan and Chiapas ; type collected between Mirador and 

 Jalapa, Veracruz. Guatemala. 



Shrub, 1.5 to 3 meters high, with re<ldish brown branches; leaves ovate or 

 lance-ovate, 2 to 7 cm. long, acute to long-acuminate serrate-dentate, pubescent 

 or glabrate ; pistillate bracts 1 or 2 ; staminate spikes 1 to 2 cm. long. 

 " Ohilibtux " (Yucatan, Maya). 



15. Acalypha leptopoda Muell. Arg. Linnaea 34: 39. 1865. 

 Veracruz. Guatemala to Costa Rica. 



Slender shrub ; leaves ovate, 4 to 12 cm. long, cuspidate-acuminate, serrate, 

 densely pubescent or glabrate ; pistillate bracts usually 1 or 2 ; staminate spikes 

 1.5 to 6 cm. long ; ovary puberulent. 



The typical form {A. leptopoda glabrcscens Muell. Arg. in DC. Prodr. 15*: 

 824. 1866) has glabrate leaves. A. leptopoda mollis Muell. Arg. (loc. cit.) is 

 a form with densely pubescent leaves. 



16. Acalypha macrostachya Jacq. PI. Hort. Schonbr, 2 : 63. pi. 245. 1797. 



Veracruz, Oaxaca, and Chiapas. Central America and South America. 



Shrub, 1 to 3 meters high, leaves broadly ovate, 10 to 20 cm. long, cuspidate- 

 acuminate, serrate, densely pubescent or glabrate; ovary hispidulous. " Chi- 

 chicaste " ( Guatemala ) . 



