21 



Erysimum asperum DC. 



Box Butte county, July 7. (195) 

 Argemone platyceras Link & Otto. 



Prairies, Box Butte county, July 7. (161) Sand hills 

 throughout the region. 

 Nymphaea advena Solander. 



In lake, Hannah's ranch. Cherry county (lake region), July 

 27, (168) 

 Anemone cylindrica Grray. 



Dry valley, Cherry county, July 15. (180) 

 Ranunculus aquatilis L. var. trichophyllus Chaix. 



Ponds in wet valleys at the head of the North Loup, July 

 19, in the North Loup, July 20, in the Grordon, July 24. 

 (181) 

 Ranunculus cymbalaria Pursh. 



Wet valley, Wilson's ranch, Sheridan county, July 11. 

 (182) 

 Delphinium azureum Michx. 



Cherry county, July 23. (179) Dry valleys throughout 

 the region. 

 Paronychia jamesii Torr. & Gray. 



Sandy hillsides, Box Butte county, July 7. (189) 

 Silene antirrhina L. 



Dry valleys, Cherry county, July 20. (188) 

 Cerastium nutans Kaf. 



Prairies, Box Butte county, July 7, wet valleys at the head 

 of the North Loup, Cherry county, July 20. (187) 

 Arenaria lateriflora L. 



In canon, Long Pine, July 29. (192) 

 Lychnis drummondii Wats. 



Dry valley, Sheridan county, July 12. (190) 

 Allionia angustifolia (Nutt. ) OK. 



Box Butte county, July 6. (148) 

 Allionia hirsuta Pursh. 



Dry valley, Sheridan county,- July 12, valley of Pelican Lake, 

 Cherry county, July 26. (143) 



