390 MINNESOTA BOTANICAL STUDIES. 
Mitella diphylla L. Sp. Pl. 406. 1753. 
Coll.: Wheeler 40, Winnebago. June. 
Parnassia caroliniana Micux. Fl. Bor. Am. 1: 184. 1803. 
Coll.: Wheeler 587, Crooked Creek; 629, Brownsville. 
Aug. 
GROSSULARIACEA. 
Ribes cynosbati L. Sp. Pl. 202. 1753. 
Coll.: Wheeler 77, 110, Winnebago. June. 
Ribes uva-crispa L. Sp. Pl. 201. 1753. 
Coll.: Wheeler 30, 75, 248, Winnebago. June. 
Frequently adventive in open woods throughout. 
Ribes floridum L’HeEr. Stirp. Nov. 1: 4. 1784. 
Coll.: Lyon 82, Winnebago. June. 
HAMAMELIDACE#. 
Hamamelis virginiana L. Sp. Pl. 124. 1753. 
Coll.: Wheeler 150, Winnebago. June. 
Reported from southeastern Winona County. No Minnesota 
specimens in the Herbarium of the University. Local on 
north side of bluff in section 22 of Winnebago. 
ROSACEZ. 
Opulaster opulifolius (L.) Kunrze, Rev. Gen. Pl. 949. 1891. 
Coll.: Lyon 33, 103, Winnebago. June. 
Spirea salicifolia L. Sp. Pl. 489. 1753. 
Coll.: Lyon 438, 464, Jefferson. Aug. 
Rubus occidentalis L. Sp. Pl. 493. 1753. 
Coll.: Lyon 55, Winnebago; Wheeler 453, Jefferson. 
June, Avg; 
Rubus villosus Air. Hort. Kew. 2: 210. 1789. 
Coll.: Wheeler 105, Lyon 296, Winnebago. June, Aug. 
Rubus canadensis L. Sp. Pl. 494. 1753. 
Coll.: Wheeler 396, Jefferson. July. 
Fragaria americana (PoRTER) Britton, Bull. Torr. Club, 19: 
222. 1802. 
Coll.: Wheeler 135, Winnebago. June. 
Potentilla arguta Pursu, Fl. Am. Sept. 736. 1814. 
Coll.: Lyon 247, Crooked Creek. July. 
Potentilla monspeliensis L. Sp. Pl. 499. 1753. 
Coll.: Lyon 439, Jefferson. Aug. 
