PLANTS NEW OR RARE TO INDIANA. 317 



Echinodoriis radicans (Nutt.) Engelm. 



Posey County, October 8, 1916. No. 22,303. In a low place in Pitcher's 

 pond about dx miles northwest of Mt. Vernon. 



Paspalum circular e Nash. 



Clark County, September 6, 1910. No. 7,538. Roadside through the 

 Forest Reserve near the Medsger bottoms. Jefferson County, September 

 9, 1915. No. 18,846. Roadside ditch four miles north of Madison. Posey 

 County, September 20, 1911. No. 10,155. Roadside and adjoining meadow 

 about three miles west of Hovey Lake. 



Paspalum. repens Bei'g. (Pasjxilum mucronatum Muhl.) 



Schneck reported this species as oecuring in the Lower Wabash bottoms. 

 The following are definite localities: Gibson County, October 7, 1916. No. 

 22,247. Low border of a pond, bordering the Patoka River about three miles 

 southwest of Patoka. Knox County, October 6, 1916. No. 22,201. In a low 

 woods, bordering the west end of Dan's pond. Associated with Eclipta alba; 

 Phyllanthus caroliniensis and Homalocenchrus virginicus. Po^ey County, 

 October 8, 1916. No. 22,309. Low wooded border of Pitcher's pond which 

 is about six miles northwest of Mt. Vernon. 



Alopecurus geniculalus L. 



Gibson County, May 27, 1899. Specimen taken by Dr. J. Schneck in a 

 low sandy meadow near Lyle's Station. Greene County, May 26, 1912. No. 

 10,660. Common in a low place in a fallow field three-fourths miles east of 

 Bushrod. 



Stipa avenacea L. 



Lagrange County, July 9, 1916. No. 20,709. Frequent in an open black 

 and white oak woods on the south side of Pigeon River one mile east of Mongo_ 



Arislida purpiirascens Poir. 



Newton County, Aug. 30, 1916. No. 21,463. In very sandy soil along 

 the roadside, bordering a black and white oak clearing three and a half miles 

 south of Thayer. This species is given by Troop in his "Grasses of Indiana," 

 but no definite locality is given. 



Leplochloa floribunda Doell. 



Posey County, October 8, 1916. No. 22,293. In the dried up mud basin 

 of Pitcher's pond whirjh is about six miles northwest of Mt. Vernon. 



Cyperus denlalus var. ctenostachys Fernald. 



Starke County, September 1, 1914. No. 15,164. On the low border of 

 the southeast side of Bass Lake. 



Scirpus smithii var. setosus Fern. 



Noble County, September 13, 1916. No. 21,851. On the low sandy 

 border of the south side of Bear Lake. Associated here with Juncus cana- 

 densis; Drosera longifolia; Bidens trichospernia, etc. 



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