Mackenzte : Onosmodium 503 



tofore been referred to C mollc Michx., a species which as ah-eady 

 related I believe to be distinct. It ranges from Illinois to Atha- 

 basca, Alberta, Montana, New Mexico and Texas, and seems to 

 be a fairly common plant in all this vast extent of country. 



Specimens examined. Illinois: Buckley , ]\x\y 1838; Richf 

 3^6, June 1S40. Minnesota: Hassc, 12 July 1882, Union 

 County. Iowa: Holway_ ^ 12 July 1888, Decora h ; Hitchcock, 



Ames; " C W. C:\ 18 September 1895, Des Moines; 

 Arthur. 1875, "Iowa " ; Fitzpatrick, 6 O ctober 1894, Johnson 



J 



Mis- 



souri: Dcmctrio, 30 May 1896, Saline County; Biish, 5 August 

 1893, Atchison County ; BusJiJ^ZSj ^ ] J"V 1S94, and 462^ i June 



Jackson County ; Bush 5;^ 2 



Wat 



Jack 



Mack 



1898, Lee's Summit; Maclanizic^ l8 June 1899, Lee's Summit; 



1837, St. Louis; Brtsh j62, 13 July 1894, Corning. Kansas: 



Norton jj/ , 12 June 1895, Riley County; Norton & Dor- 



man, 28 July J893, Manhattan; 1891, Manhattan; Ji^hite^ 

 May 1898,' Cowley County; Kellerman. iSS/Zoiathe ; E, E. 



line 



^- ^ ^ — 



June 1892, Ft. Riley; A, B, Snozv, Kansas-Nebraska 



jne 188^, Miami County. Nebraska: Webber, 



4 July 1889, Broken Bow; Rydberg, 13 June 1891, Kearney 

 County ; Ha ydi^n^ JJJJQ^ ^ ^ 5 3.i ^t. Pierre; H. En^ebnann, June 



1858, Ft Kearney; Webber, July 1889, Lincoln. South Da- 

 kota: Wallace^ 9 July 1896, Corn Creek; Williams & Corbett 

 2ig, 16 August 1894, Big Stone; L. W. Carter, 8 August 1897, 

 Devils' Tower; Rydberg, 16 June 1892, Hot Springs. North 



J 



Wil- 



liams, July 1889, Brookings^ (Dakota). Manitoba : M^ ^ Thomp- 

 ^^i*-i898.. Alberta : Maconn 2jp6j, 24 August 1897, McLeod. 

 Athabasca: Maconn iiS^r, 3 August 1895, Belly River. Mon- 

 tana : Williams, 5 June 1886, Big Falls of Missouri. Wyoming: 

 •^ A, Nelson 206. 20 Tuly 1804. Hartville ; Panim^&^ Stanlon 



/ 



J 



J 



-f/d, 15 J 



259^, September 1899, Dayton. Colorado: Hulse, 1870; Brit- 

 ion^ 8 October 1882, Golden ; Osterhout 2461, 25 June 1901, Boul- 



/. H. Cozvin.10 July 1S93, Ft, Collins ; Jones, 12 J 



