Wheeler : FLORA OF SOUTHEASTERN MINNESOTA. 395 



Polygala senega L. Sp. PI. 704. 1753. 

 Coll. : Lyon 21, Winnebago. June. 



EUPHORBIACE^E. 



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. PI. 455. 1753. 



Coll. : Wheeler 430, Jefferson. July. 

 Euphorbia nutans LAG. Gen. & St. 17. 1816. 



Coll. : Wheeler 336, Crooked Creek. July. 

 Euphorbia corollata L. Sp. PI. 459. 1753. 



Coll. : Lyon 189, Wheeler 375, Crooked Creek. July. 

 Euphorbia heterophylla L. Sp. PI. 45 3. 1753. 



Coll. : Wheeler 466, Jefferson. Aug. 

 Euphorbia cyparissias L. Sp. PI. 461. 1753. 



Coll. : Lyon 437, Jefferson. Aug. 



ANACARDIACEJE. 



Rhus hirta (L.) SUDW. Bull. Torr. Club, 19 : 82. 1892. 



Coll.: Lyon 319, Jefferson. Aug. 

 Rhus glabra L. Sp. PI. 265. 1753. 



Coll. : Lyon 272, Jefferson. July. 

 Rhus radicans L. Sp. PI. 266. 1753. 



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



CELASTRACEJE. 



Euonymus atropurpureus JACQ^ Hort. Vind. 2: 5. pi. 120. 



1772. 

 Coll.: Lyon 140, Winnebago; 263, Jefferson. June, 



July. 

 Celastrus scandens L. Sp. PI. 196. 1753. 



Coll.: Wheeler 104, Winnebago; Lyon 380, Jefferson. 

 June, Aug. 



STAPHYLEACE^E. 



Staphylea trifolia L. Sp. PL 270. 1753. 



Coll. : Wheeler 202, Winnebago. June. 



