192 FLORA OF WINNESHIEK COUNTY. 



Polygalc vitrideseens L. (P. L.) Field Milkwort. 



Rather common, on prairiea and in meadowB. Besp 



Atkinson. 



l'"lt/gala senega L. Seneca Snakeroot < m rocky Blopes. Not 

 common. Bluffton. 



Euphorbia metadata L. Milk I'm- ai A common weed. 

 Calmar. 



Euphorbia nut mi. Lag. (E. presHi Gus>.) Upright Spurge. 

 A common weed. Decorah (Goddard), Ft. Atkinson. 



Euphorbia corollata L. Flowering Spnrge. Common in dry, 

 open places. Calmar, etc. 



liorbia commutata Engelm. Tinted Spurge. Reported 

 from Decorah by Arthur. 



Euphorbia cyparissias L. Cypress Spurge. Introduced, 

 locally common. Decorah. 



Order 18. Sapindales, 

 Family 1. Anacardiaceae. 



Rhus hirta (L.) Sudw. (R. typhina L.) Staghorn Sumach. 

 Locally common, on rocky slopes. Decorah, Freeport. 



Rhus glabra L. Smooth Sumach. Very common in thickets 

 and along borders, chiefly in dry places. Decorah | Sa 

 Calmar. Observed at all the stations. 



Rhus radicans L. (R. toxicodendron L.) Poison Ivy. Com- 

 mon along borders, and in low grounds. Both bushy and climb- 

 ing forms are common — the former chiefly in dry places. De- 

 corah. Also observed at Hesper, Bluffton, Kendallville, etc. 



Family 2. Celastracta: 



Euonymus atropurpurrus Jacq. Burning Bush: AVahoo. In 

 alluvial grounds, and on banks. Not rare. Decorah. Also 

 observed at Bluffton. 



Celastrus scandens L. Climbing Bittersweet. Rather com- 

 mon, in woods ami along borders. Decorah. \ rved at 

 . Canoe creek and at Bluffton. 



Family 3. Staphyleacear. 



Staphylea trifolia L. Bladder-nnt. Not rare, on rocky hanks. 

 Decorah. Also observed at Hesper, Canoe creek and Bluffton. 



