632 CONTRIBUTIONS FROM THE NATIONAL. HERBARIUM. 



44. Acalypha mollis H. B. K. Nov. Gen. & Sp. 2 : 94. 1817. 

 Acalyplia microstachya Bentb. PI. Hartw. 71. 1840. 

 Central Mexico ; type from Venta de Clialco, Mexico. 



Leaves ovate or lance-ovate, cuspidate-acuminate, serrate, densely pilose; 

 pistillate spikes elongate, very dense. 



45. Acalyplia lindeniana Muell. Arg. in DC. Prodr. 15*: 827. 1866. 

 Veracruz and Puebla ; type from Puente Nacional, Veracruz. 



Leaves ovate, 4 to 5 cm. long, acute or short-acuminate, serrate, densely pilose 

 beneath; staminate spikes half as long as the leaves, pedunculate; pistillate 

 spikes about 1.5 cm. long, lax. 



46. Acalypha frederici Muell. Arg. in DC. Prodr. 15": 828. 1866. 

 Veracruz ; type from Orizaba. 



Stems slender, 1 meter high or less, suffruticose, hirsute, leaves ovate or 

 lance-ovate, 3 to 7 cm. long, acuminate, pilose beneath ; spikes equaling or 

 longer than the leaves. 



15. BERNARDIA Adans. Fam. PI. 2: 356. 1763. 

 Reference: Pax in Engl. Pflanzenreich IV. 147^": 21-45. 1914. 

 Shrubs, the pubescence of simple or fasciculate hairs ; leaves alternate, petio- 

 late or subsessile, usually dentate ; flowers small, apetalous, monoecious or 

 dioecious, mostly in axillary spikes ; fruit a 3-lobate capsule. 



Leaves entire, 3 to 7 mm. long 1. B. fasciculata. 



Leaves dentate, usually much larger. 



Style branches entire. Leaves 6 to 16 cm. long 2. B. interrupta. 



Style branches laciniate. 



Leaves small, most of them less than 2 cm. long ; capsule usually less than 



1 cm. wide . 3. B. myricifolia. 



Leaves large, mostly 3 to 11 cm. long ; capsule 1.2 to 1.5 cm. wide. 



Leaves very scabrous on both surfaces 4. B. aspera. 



Leaves soft-pubescent, at least beneath 5. B. mexicana. 



1. Bernardia fasciculata S. Wats. Proc. Amer. Acad. 18: 153. 1SS3. 

 Chihuahua and Coahuila ; type from mountains northeast of Monclova, 



Coahuila. 



Shrub, bout 1.5 meters high ; leaves fasciculate or alternate, spatulate, 

 glabrate. 



A doubtful plant, scarcely of this genus. 



2. Bernardia interrupta (Schlecht.) Muell. Arg. Linnaea 34: 171. 1865. 

 Acalyplia interrupta Schlecht. Linnaea 7: 386. 1832. 



Alevea leptotaschia Baill. liltud. Gen. Euphorb. 509. 1858. 



San Luis Potosi, Veracruz, and Hidalgo ; type from Hacienda de la Laguna, 

 Veracruz. 



Shrub or small tree, sometimes 5 meters high ; leaves conspicuously petiolate, 

 elliptic or obovate, sinuate-dentate, sparsely stellate-pubescent or glabrate ; 

 flowers dioecious ; capsule 12 mm. broad. 



3. Bernardia myricifolia (Scheele) S. Wats. Bot. Calif. 2: 70. 1880. 



Tyria myricifolia Scheele, Linnaea 25 : 581. 1852. 



Bernardia viridis Millsp. Proc. Calif. Acad. II. 2 : 223. 1S89. 



Baja California to Tamaulipas. Western Texas to southern California ; type 

 from New Braunfels, Texas. 



Shrub, 1 to 3 meters high, densely branched ; leaves elliptic or obovate, 

 coarsely repand-crenate, densely tomentose beneath. " Palo de tarugo," " oreja 

 de rat6n " (Tamaulipas). 



