Juncus marginatus and its Varieties. 123 



Juncus marginatus aristulatus (Mx.). 



Juncus aristulatus MX. Fl. i. 192 (1803). Type specimen from 

 either the Carolinas or Georgia. 



Juncus aristatus Pers. Syn. PI. i. 585 (1805). Type specimen 

 the same as that of Juncus aristulatus. 



Juncus Uflorus Ell. Bot. i. 407 (1817). Type locality, ten 

 miles from Savannah, on the road to Augusta, Georgia. 



Juncus marginatus odoratus Torr. FL Nor. U. S. i. 362 (1824). 

 Type specimen from "Bloomingdale, near New York." 



Juncus heteranthos Nutt. Trans. Amer. Phil. Soc. new ser. v. 

 153 (1832-37). Type specimen collected along the Arkansas 

 River. 



Juncus canaliculatus Liebm. Mex. June. 43 (1850). Type 

 specimen collected near San Antonio Huatusco, in the state of 

 Vera Cruz. Mexico, at the altitude of 1,370 meters. 



Ju-ncm odoratus Steud. Syn. PL Glum. ii. 304 (1855). Type 

 locality the same as that of Juncus marginatus odoratus. 



Juncus marginatus biflorus Engelm. Trans. St. Louis Acad. ii. 

 455 (^1866). Type locality the same as that of Juncus biflorus. 



Stems single or in loose tufts, usually exceeding 50 cm. in 

 length ; leaf blades 1 to 5 mm. broad ; inflorescence usually bear- 

 ing 20 to 100 heads, in depauperate plants sometimes fewer ; 

 heads usually 2- to 5-flowered, becoming occasionally 10-flow- 

 ered ; inner perianth parts broadly obtuse ; seed as in the type 

 form, but 0.5 to 0.6 mm. long. 



Specimens examined: 



New York : New York, at Bloomingdale, John Torrey. 



New Jersey : Near Atsion, C. F. Parker, July 31, 1866 ; near Princeton, 

 John Torrey, July, 1830 ; Burlington county, C. F. Parker, August 

 19, 1867; Dennisville, Cape May county, C. F. Parker, July 15, 1866. 



Pennsylvania: West Chester, William Darlington, 1827. 



Delaware: Ellendale, W. M. Canby, September 16, 1891 ; near Wilming- 

 ton, Alexander Commons, July 7 and 24, 1866. 



Maryland: Garrett county, J. D. Smith, July, 1879; Salisbury, Alex- 

 ander Commons, July 27, 1865 ; Salisbury, W. M. Canby, June, 1864. 



Virginia : Virginia Beach, Princess Anne county, Arthur Hollick and N. 

 L. Britton, September 26 and 27, 1890 ; near Virginia Beach, A. A. 

 Heller, No. 1053, July 12, 1893 ; Colonial Beach, F. V. Coville, July 

 6, 1890; Ocean View, Norfolk county, F. V. Coville, June 21, 1890. 



District of Columbia: Near Washington, Lester F. Ward, July 21, 1878. 



North Carolina: Wilmington, M. A. Curtis; near Wilmington, F. V, 

 Ooville, June 26, 1890. 



