50 THE CHICAGO ACADEMY OF SCIENCES. 



. Notes on Trypethelium Kunzei, Fee. Bull. Torr. Bot. Club. 



15 Jel888. 



. Lichens of Colorado. Syu. Flora Col. U. S, Geol. and Geog. 



Surv. Territories Misc. Pub. 4:161-163. 



Enumerates flfty-four species and varieties, with notes, 



. A Synopsis of the Genus Arthonia. />p62. 1890. (New Bedford). 



Describes three hundred and forty-eight species. 



Wolf, John aucl Hall, Eliliu. A List of the Mosses, Liverworts, and 

 Lichens of Illinois, Bull. 111. St. Lab. Nat. Hist. 2:27-34:. Jel878. 



Enumerates forty genera and two hundred and sixteen species and varieties. 



