Hedgcock, Hunt, Hahn: Coleosporium 197 



C. carneum on P. mayriana* 

 C. delicatidum on P. coulteri* 



C. elephant opodis on P. canariensis* P. contorta* coulteri* 

 P. radiata* and P. serotina* 



C. inconspicum on P. palustris at Styx, near Columbia, South 

 Carolina. 



C. ipomoeae on P. serotina from Styx, South Carolina. 

 C. solidaginis on P. coulteri* 



C. terebinthinaceae on P. serotina, Clearwater, South Carolina. 



Peridermium floridanum on P. palustris, Ocala, Florida. 



The following uredinial and telial hosts for species of Coleo- 

 sporium are now reported for the first time in the United States : 



C. elephant opodis on Elcphantopus elatus, District of Colum- 

 bia, Georgia and Mississippi. 



C. helianthiae on Helianthus tomentosus and H. tuberosus, 

 Virginia. 



C. ipomoeae on Pharbitis cathartica, Florida. 



C. laciniariae on Laciniaria elegantida, Alabama ; on L. gracilis, 

 Florida; on L. laxa, Florida; on L. squarrulosa, Arkansas, Geor- 

 gia, and Tennessee ; on L. tenuifolia, Florida. 



C. minutum on Adeiia ligustrina, District of Columbia* and 

 Florida. 



C. ribicola, on Grossularia cynosbati, Wisconsin ; on G. inno- 

 minata* and G. reclinata, District of Columbia.* 



Office of Investigations in Forest Pathology, 

 Bureau of Plant Industry, 

 Washington, D. C. 



Publications Cited 



• i. Arthur, J. C. (Uredinales) Coleosporiaceae. N. A. Flora 7: 83-95, 1907. 



2. Arthur, J. C. Cultures of Uredineae in 1910. Mycologia 4: 7-33, 1912. 



3. Arthur, J. C, and Kern, F. D. North American Species of Peridermium. 



Bull. Torrey Bot. Club 33: 403-438, 1906. 



4. Arthur, J. C, and Kern, F. D. North American Species of Peridermium 



on Pine. Mycologia 6: 109-138, 1914. 



5. Bosc, Louis. Tubercularia carnea. Mag. d. Ges. Naturf. Freunde Berlin 



5 : 88, pi. 6, fig. 13, 181 1. 



6. Hedgcock, Geo. G., and Hunt, N. Rex. Notes on Some Species- of Coleo- 



sporium. Phytopathology 7: 68, 1917. 



7. Hedgcock, Geo. G., and Hunt, N. Rex. New Species of Peridermium. 



Mycologia 9: 239—242, 191 7. 



