200 GYNAxVDRlA. DOOECANDRIA. 



fice oblique and jcaping, the marg-in elevated, dark purple, 

 rui^ose, interior of the tube white, spotted with pujple, 

 stig-mas 3, anthers immersed in tlie style. Jl. hirsuta, 

 Muhl. Catal. p. 81. v. v. Abundant throughout Louisiana, 

 and al(»ng the banks ot the Missisippi, also on the moun- 

 tains of" South Carolina. 3. Serpentaria. 



4. * hastata. Stem Hexuous, simple and erect; leaves 

 mostly subcordate-hastate, acute; peduncles nearly all ra- 

 dical, lip of the corolla ovate. Ji. sugiitata? Muhl. Catal. 

 Pluk. almag. p. 5o. phyt. t. 223. f. 2. H ab. On the moun- 

 tains of Carolma. Nearly allied to A. Serpentaria. Leaves 

 (in the specimen in Herb. Muhl.) altenuated, sublanceo- 

 late, auriculate, acute and pubescent. Perhaps a distinct 

 species. 



Of this genus of 41 or more species, 20 almost exclu- 

 sively-shrubby are indigenous to the tropical regions of 

 America, some additional species have also, no doubt, 

 been added by the researches of Humboldt, one of these 

 described by that celebrated traveller indigenous to the 

 borders of La Madalena, produces flowers of such extra- 

 ordinary magnitude and tenacity as to afford hats for chil- 

 dren; the remainder of the genus is principally indig-e- 

 nous to the south of Europe and the Levant. 



IV.— DODECANDRfA. 



624. ASARUM. L. (Asarabacca, ludian ginger.) 

 Caiix .siibrampantilate, 3 or 4-cIeft. Corolla 

 none. Anthers adnate to tlic middle of the fila- 

 ments. Capsule infeiior, 6-celled, crowned with 

 the calix. 



Roots creeping, stems bifoliate, very low, producing a 

 single dichotomal flower. 



Species. 1. A. canadense. 2. virginicum. 3. arifoUum. 



Of this genus there is another species indigenous to 

 Europe. 



