Pennell: Plants of southern United States 409 



1. ScHOENOCAULON Drummondii A. Gray; Torrey, Bot. Mex. 



Bound. Surv. 222. 1858-9. "This species was first dis- 

 covered by Drummond, and is No. 284 of his third Texan 

 collection." Co-type seen in the herbarium of Columbia 

 University at the New York Botanical Garden. 

 Texas. In the lower coastal plain. Flowers late-September 

 to early-October. 



Texas. Colorado: sandy soil, three miles east of Alley ton, 

 > September 22, 1913, F. W. Pennell 5557 (P, Y). Dewitt: 

 roadside near Yorktown, > October 6, 1857, A. Schott (Y). 



2. ScHOENOCAULON TEXANUM Scheele, Linnaea 25: 262. 1852. 



"Gesellschaftlich auf trockner Prairie, deren sehr nahe Unter- 

 lage Kalkfelsen ist, bei Neubraunfels: Lindheimer, April 1846." 

 Lindheimer 1221, seen in the herbaria of the New York 

 Botanical Garden, the Academy of Natural Sciences at Phila- 

 delphia and the University of Pennsylvania, is probably from 

 the type-locality. 



Texas to Chihuahua and San Luis Potosi. Edwards Plateau 

 and southwestward. Flowers April to June. 



Texas. Hays: San Marcos > Spring, 1898, 5. W. Stanfield 

 (Y). Kendall: Rock^'- bluffs, > June, 1885, /. Reverchon 

 1607 (P,Y). Kerr: Kerrville > April to June, 1894,^, A. Heller 

 1626 (A, Y). Travis: hills, Austin, > May 13, 1872, E. Hall 

 644 (Y). 



SMILAX, Subgenus NEMEXIA (Raf.), IN THE EASTERN 



UNITED STATES 



The subgenus or section of Smilax containing the herbaceous- 

 stemmed vines, frequently with beautiful foliage and bearing 

 umbels of lurid green, mostly malodorous flowers — a group of 

 plants commonly known as the carrion-flowers — is one which 

 has long been of especial difficulty to taxonomists. Various 

 writers have held nearly the entire group of species here presented, 

 as well as certain East Asian allies, in one species, Smilax herbacea, 

 while others have attempted segregations based upon the shape 

 of the branchlets, the length of the peduncles, the number of 

 primary veins, and other characters which field-study proves too 

 variable for certain use. But it has gradually become apparent 



