STANDLEY TKEES AND SHRUBS OF MEXICO. 627 



Ovary smooth. 



Bracts 5 to 7-dentate 43. A. oligodonta. 



Bracts 9 to 15-dentate. 



Leiives cuspidate-acuminate 44. A. mollis. 



Leaves short-acuminate. 



Teeth of the bracts acute; leaves serrate. 



45. A. lindeniana. 

 Teeth of the bracts obtuse ; leaves crenate. 



46. A. frederici,. 



1. Acalypha flagellata Millsp. Field Mus. Bot. 2: 417. 1916. 

 Yucatan ; type from Buenavista Xbac. 



Dioecious shrub, 2 to 5 meters high, glabrous or nearly so ; leaves ovate, about 

 12 cm. long and 7.5 cm wide, acuminate, crenate-dentate ; spilses 15 to 35 cm. 

 long; capsule tuberculate. 



2. Acalypha coryloides Rose, Contr. U. S. Nat. Herb. 1 : 357. 1895. 

 Colima ; type from Manzanillo. 



Shrub, 1 to 2 meters liigh, with grayish brandies, leaves ovate or oblong- 

 ovate, 2 cm. long or less, very short-petiolate, crenate ; staminate spilies very 

 dense, 6 to 12 mm. long; capsule muricate. 



3. Acalypha schlechtendaliana Muell. Arg. Linnaea 34: 6. 1865. 

 Linostachys padifoUa Schlecht. Linnaea 19: 235. 1845. Not Acalypha padi- 



folia H. B. K. 1817. 



Veracruz and Chiapas. Guatemala to Costa Rica. 



Slender shrub, nearly glabrous ; leaves oblong-ovate, obovate, or lance-elliptic, 

 8 to 18 cm. long, crenate-serrate ; pistillate inflorescence loosely paniculate ; 

 staminate spikes long and slender; capsule muricate. 



Mueller described^ a var. mollis (from Veracruz), in which the leaves are 

 thinly pilose beneath. It seems to differ from the typical form only in 

 piibescence. 



4. Acalypha longipes S. Wats. Proc. Amer. Acad. 26: 149. 1891. 

 San Luis Potosi; type from Tamasopo Canyon. 



Slender shrub, glabrous or nearly so ; leaves oblong-ovate or ovate-elliptic, 

 5 to 13 cm. long, serrate ; pistillate inflorescence laxly paniculate ; staminate 

 spikes lax, 7 to 12 cm. long; ovary muricate. 



5. Acalypha longestipularis Muell. Arg. Linnaea 34: 51. 1865. 

 Known only from the type locality, near Oaxaca. 



Stipules setaceous, 10 to 12 mm. long ; leaves lance-rhombic, 11 to 14 cm. 

 long, 4.5 to 6 cm. wide, acuminate, tomentulose beneath, pubescent above, ser- 

 rulate ; ovary sericeous-hispid, 



6. Acalypha cuspidata Jacq. PI. Hort. Schonbr. 2: 63. pi. 243. 1797. 

 Oaxaca and perhaps elsewhere. West Indies and South America. 



Slender shrub ; leaves ovate, 6 to 14 cm. long, acuminate or long-acuminate, 

 crenate or serrate, pubescent ; spikes usually little longer than the petioles ; 

 ovary hirtellous. 



7. Acalypha diversifolia Jacq. PI. Hort. Schonbr. 2: 63. pi. 2U- 1797. 

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

 Shrub, 1 to 3 meters high ; leaves lance-ovate to broadly ovate, 5 to 18 cm. 



long, acuminate or cuspidate-acuminate, serrate or serrulate, glabrate or pube- 

 scent beneath ; spikes mostly sessile, solitary or fasciculate, 3 to 10 cm. long, 

 dense ; ovary hispidulous, tuberculate. 



* Linnaea 34: 159. 1865. 



