192 FLORA OF WINNESHIEK COUNTY. 
Polygala viridescens L. (P. sanguinea L.) Field Milkwort. 
Rather common, on prairies and in meadows. Hesper, Ft. 
Atkinson. 
Polygala senega L. Seneca Snakeroot. On rocky slopes. Not 
common. Bluffton. 
Family 6. Euphorbiacee. 
Euphorbia maculata L. Milk Purslane. A common weed. 
Calmar. 
Euphorbia nutans Lag. (E. presi Guss.) Upright Spurge. 
A common weed. Decorah (Goddard), Ft. Atkinson. 
Euphorbia corollata L. Flowering Spurge. Common in dry, 
open places. Calmar, etc. 
Euphorbia commutata Engelm. Tinted Spurge. Reported 
from Decorah by Arthur. _ ; 
Euphorbia cyparissias L. Cypress Spurge. Introduced, 
locally common. Decorah. 
Order 13. Sapindales, 
Family 1, Anacardiacee. 
Rhus hirta (L.) Sudw. (BR. 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 (Savage), 
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, ete. 
Family 2. Celastracee. 
Euonymus atropurpureus Jacq. Burning Bush; Wahoo. In 
alluvial grounds, and on banks. Not rare. Decorah. Also 
observed at Bluffton. 
Celastrus scandens Li. Climbing Bittersweet. Rather com- 
mon, in woods and along borders. Decorah. Also observed at 
Hesper, Canoe creek and at Bluffton. 
Family 3. Staphyleacee. 
Staphylea trifoka L. Bladder-nut. Not rare, on rocky banks. 
Decorah. Also observed at Hesper, Canoe creek and Bluffton. 
