12 



Ilelidiithiks (iiinmis L. 



Waste places around a ranch, Cherry county, July 26. 

 Helianthus petiolaris Nutt. 



Box Butte county, July 7. (61) 

 Hcliaiifhns n'gidus (Cass.) Desf. 



Cherry county, July 26. (71) Sand hills, and dry valleys 

 throughout the region. 

 Thelcsperma gi-acile Grray. 



Cherry county, July 18. (14=1) Sand hills, western and 

 central Cherry county. 

 Theh'sj)criii(( filifolium Gray. 



Prairies, Box Butte county, July 6. (14:2) 

 Hymenopapinis filifoliiis Hook. 



Box Butte county, July 7. (59) Sand hills throughout 

 the region. 

 Crcpis runciiuda (James) Torr. & Grray. 



In wet valley, Sheridan county, July 9. (152) 

 Artemisia canadensis Michx. 



Brown county, July 29. (65) (Lower leaves sparsely silky 

 canescent. Farther south than its usual range. S. ) 

 Arte III ii<ia ludoviciana Nutt. 



Cherry county, July 26. (1)2) Dry valleys throughout the 

 region. 

 *Seiie<-io aureus L. var. horealis Torr. & Gray. 



Sand hills, eastern Sheridan county, July 9. (61) (Agrees 

 with specimens in Herb. Eugelm. collected by Hayden, 

 "Loup Fork, July 24-," 186-, and named by Dr. Gray. 

 This is much farther south than its usual range, and it is 

 probably one of the "buffalo disseminated plants." See 

 Bot. Gaz. XVII, 321. S.) 

 Ciiicus undiilaJtis (Nutt.) Gray. 



Dry valley, Sheridan county, July 21, (63),. 

 Cniciis undvlatus (Nutt.) Gray var. caiiescciis (Nutt.) Grav. 



Prairies, eastern edge of Box Butte county, July 7. (64) 

 Sand hills throughout the region. 



