376 MINNESOTA BOTANICAL STUDIES. 
Cyperus filiculmis Vani, Enum. 2: 328. 1806. 
Coll.: Wheeler 348, Crooked Creek. July. 
Cyperus houghtoni Torr. Ann. Lyc. N. Y. 3: 277. 1836. 
Coll.: Wheeler 346, Crooked Creek. July. 
The only previous collection known from Minnesota is that 
of Holzinger, St. Croix River, Minn. _ Britton reports this 
collection in the Bull. Torr. Club, 18: 368. 1891. 
The collection from Crooked Creek was made from the sum- 
mit of a very dry sandy hill. Both C. houghtont and C. 
schweinitzi? grow in sand but the former probably grows 
in the drier locality of the two. 
Eleocharis acicularis (L.) R. & S. Syst. 2: 154. 1817. 
Coll.: Wheeler 527, Jefferson. Aug. 
Scirpus lacustris L. Sp. Pl. 48. 1753. 
Coll.: Wheeler 148, Winnebago. June. 
Scirpus atrovirens Mun. Gram. 43. 1817. 
Coll.: Wheeler 267, Winnebago. June. 
Scirpus cyperinus (L.) Kunru, Enum. 2: 170. 1837. 
Coll. : Lyon 168, Crooked Creek; Wheeler 425, Jefferson. 
June, July. 
Carex lupulina Muui.; Schk. Riedg. 2: 54. f. 123. 1806. 
Coll.: Lyon 280, Jefferson. July. 
Carex lurida Want. Kongl. Acad. Handl. (II.) 24: 153. 
1803. 
Coll.: Wheeler 142, Winnebago. June. 
No Minnesota specimens in the Herbarium of the University. 
Previously collected at Lake Itasca, Sandberg No. 1180. 
Carex hystricina Muuu.; Willd. Sp. Pl. 4: 282. 1805. 
Coll.: Wheeler 119, Winnebago. June. 
Carex filiformis L. Sp. Pl. 976. 1753. 
Coll.: Wheeler 121, Winnebago. June. 
Carex torta Boott; Tuckerm. Enum. Meth. 11. 1843. 
Coll.: Lyon 60, Winnebago. June. 
Not previously reported from Minnesota. The nearest point 
of previous collection, as shown by the Herbarium of 
the University, is Winnebago county, Wisconsin. 
Carex stipata Munu.; Willd. Sp. Pl. 4: 233. 1805. 
Coll.: Wheeler 116, Winnebago. June. 
