20 



Cicuta virosa L. var. maculata (L. ) Coulter & Eose. 



Wet valley, LaPorte's ranch, Cherry county, July 22. 

 (196) 

 Euphorbia petaloidea Engelm. 



Sheridan county, July 11. (96) Blow-outs, Sheridan 

 county, and Western Cherry county. 

 Euphorbia hexagona Nutt. 



Sand hills, Antelope county, August 2. (203) 

 Croton texensis Muell. 



Sand hills, Sheridan county, July 9. (95) 

 Poly gala verticillata L. 



Cherry county, July 21. (93) Dry valleys throughout the 

 region. 

 Polygala alba Nutt. 



Sandy hillsides, eastern Box Butte county, July 7. (184) 

 Polygala sanguinea L. 



Wet valley, Kock county, July 30. (185) 

 Rhus radicans L. 



Banks of the North Loup, July 23. Wet valleys through- 

 out the region. 

 Linum sulcatum Riddell. 



Prairies, Box Butte county, July 7. (283) Sand hills and 

 blow-outs, Sheridan county, and western Cherry county. 

 Oxalis sh'icta L. 



Pullman, Cherry county, July 20. (167) 

 Malveopsis coccinea (Nutt.) OK. 



Box Butte county, July 6. (166) 

 Cleome serrulata Pursh. 



Rock county, July 28. (163) Waste places around ranches 

 (only) in eastern Cherry county. 

 Cristatella jamesii Torr. & Gray. 



Side of canon, in sandy soil. Brown county, July 29. (164) 

 Lesquerella argentea (Pursh) MacM. 

 Box Butte county, July 7, (194) 



