Eleocharis Cyperaceae 203 



on the borders of streams and lakes. In wet, stony or gravelly places 

 along the Ohio River and in springy, marl borders of some lakes. 



Que. to Alberta and Wash., southw. to Fla. and Okla., and n. Mex. ; also 

 in Hawaii and e. Asia. 



12. Eleocharis acicularis (L.) R. & S. var. typica Svenson. Needle 

 Spikerush. Map 391. In the muddy or sandy bottoms or borders of 

 ditches, sloughs, streams, and lakes. Sometimes on the springy marl 

 borders of lakes. 



Newf. to Alaska, southw. to Fla. and Okla. 



13. Eleocharis Wolfii Gray. Wolf's Spikerush. Map 392. My only 

 specimens were found in Jefferson County in low, flat clearings about 31/2 

 miles southwest of Hanover and 3 miles southeast of Hanover. 



Ind. to Kans. and La. 



14. Eleocharis melanocarpa Torr. Black-fruited Spikerush. Map 

 393. Wet or moist, sandy borders of marshes and sloughs. 



Atlantic coast from Mass. to Texas, and in nw. Ind. 



15. Eleocharis microcarpa Torr. var. filiculmis Torr. (Rhodora 39: 228- 

 229. 1937.) (Eleocharis Torreyana Boeckl.) Map 394. Our only specimens 

 were found in moist sand in the bottom of a roadside ditch about 2 miles 

 southeast of Tefft in Jasper County. 



Atlantic coast from Conn, to Fla. and Tex. ; also in Cuba. 



16. Eleocharis elliptica Kunth. (Rhodora 41: 65. 1939.) (Eleocharis 

 capitata var. borealis Svenson. Rhodora 34: 200-202. 1932.) Map 395. 

 This sedge seems to have a wide distribution in the state. In the lake area 

 it is found in strongly marl borders of lakes and elsewhere in moist prairie 

 habitats. 



Newf. to B. C, southw. to N. J., Tenn., Ind., and 111. 



17. Eleocharis tenuis (Willd.) Schultes var. verrucosa (Svenson) Sven- 

 son. (Rhodora 41 : 66. 1939.) (Eleocharis capitata var. verrucosa Svenson 

 and Eleocharis tenuis of authors.) Map 396. For the most part, our 

 specimens are from wet, hard, clay soil of the borders of ponds and wet 

 woods. Our Jasper County specimen is from a wet, interdunal flat. 



Va., Ind., 111. to Ark. and Okla., southw. to La. 



18. Eleocharis compressa Sulliv. (Eleocharis acuminata (Muhl.) 

 Nees.) Map 397. I have only three specimens from Indiana and these are 

 from a wide range of distance and kinds of habitats. The Ohio County 

 specimen was found on the slope of the bank of the Ohio River, the 

 specimen from Tipton County is from a wet, prairie habitat along the 

 railroad just west of Goldsmith, and the specimen from Wabash County 

 was found on the border of a small lake. It has been reported from Lake 

 and St. Joseph Counties, but I have not seen the specimens. 



W. Que. to Sask. and B. C, southw. to Ga., Okla., and the Pacific States. 



