Wheeler: flora of southeastern Minnesota. 395 



Polygala senega L. Sp. PL 704. 1753. 

 Coll. : Lyon 21, Winnebago. June. 



EUPHORBIACEiE. 



Acalypha virginica L. Sp. PI. 1003. 1753. 



Coll. : Lyon 349, 397, 463, Jefferson. Aug. 

 Euphorbia glyptosperma Engelm. Bot. Mex. Bound. Surv. 

 187. 1859. 



Coll. : Wheeler 434, Jefferson. July. 

 Euphorbia maculata L. Sp. PL 455. 1753. 



Coll. : Wheeler 430, Jefferson. July. 

 Euphorbia nutans Lag. Gen. & St. 17. 18 16. 



Coll. : Wheeler 336, Crooked Creek. July. 

 Euphorbia coroUata 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. 



ANACARDIACE.E. 



Rhus hirta (L.) Sudw. 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. 



Coll. : Lyon 327, 350, Jefferson. Aug. 



CELASTRACE^. 



Euonymus atropurpureus Jacq^ Hort. Vind. 2: 5. //• 120. 

 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. 



STAPHYLEACE^. 



Staphylea trifolia L. Sp. PL 270. 1753. 



Coll. : Wheeler 202, Winnebago. June. 



