Wheeler: FLORA OF SOUTHEASTERN MINNESOTA. 395 
Polygala senega L. Sp. Pl. 704. 1753. 
Coll.: Lyon 21, Winnebago. June. 
EUPHORBIACEZ. 
Acalypha virginica L. Sp. Pl. 1003. 1753. 
Coll.: Lyon 349, 397, 463, Jefferson. Aug. 
Euphorbia glyptosperma ENcretm. Bot. Mex. Bound. Surv. 
187. 1959. 
Coll.: Wheeler 434, Jefferson. July. 
Euphorbia maculata L. Sp. Pl. 455. 1753. 
Coll.: Wheeler 430, Jefferson. July. 
Euphorbia nutans Lac. Gen. & St. 17. 1816. 
Coll. : Wheeler 336, Crooked Creek. July. 
Euphorbia corollata L. Sp. Pl. 459. 1753. 
Coll.: Lyon 189, Wheeler 375, Crooked Creek. July. 
Euphorbia heterophylla L. Sp. Pl. 453. 1753. 
Coll.: Wheeler 466, Jefferson. Aug. 
Euphorbia cyparissias L. Sp. Pl. 461. 1753. 
Coll.: Lyon.437, Jefferson. Aug. 
ANACARDIACEZ. 
Rhus hirta (L.) Supw. Bull. Torr. Club, 19: 82. 1892. 
Coll.: Lyon 319, Jefferson. Aug. 
Rhus glabra L. Sp. Pl. 265. 1753. 
Coll.: Lyon 272, Jefferson. July. 
Rhus radicans L. Sp. Pl. 266. 1753. 
Poll. *) Lyon 327, 350, Jefferson. Aug. 
CELASTRACEZ. 
Euonymus atropurpureus JAca. Hort. Vind. 2: 5. pl. 720. 
1772. 
Coll.: Lyon 140, Winnebago; 263, Jefferson. June, 
July. 
Celastrus scandens. L. Sp. Pl. 196. 1753. 
Coll.: Wheeler 104, Winnebago; Lyon 380, Jefferson. 
June, Aug. 
STAPHYLEACEZ. 
Staphylea trifolia L. Sp. Pl. 270. 1753. 
Coll.: Wheeler 202, Winnebago. June. 
