173 
BIBLIOGRAPHY. 
Berkeley, M. J. Septoria rufo-maculans. Gardeners’ Chronicle, 1854, p. G76. 
-. Ascochyta rufo-maculans. Outlines of British Fungology, I860, p. 320. 
-. Glceosporium fructigenum. Gardeners’ Chronicle, 1856, p. 245. 
-. Glccosporium Iceticolor. Gardeuers’ Chronicle, 1859, p. 604. 
- and Curtis, M. A. Glccosporium versicolor. Grevillea, Vol. in, p. 13. 
Curtiss, G. C. Treatment of bitter rot of apple. Section of Vegetable Pathology, 1J. S. 
Department of Agriculture, Bulletin 11, p. 38. 
Ellis, J. B., and Everhart, B. M. Glceosporium versicolor, B. and C. Journal of 
Mycology, Vol. i, p. 112. 
Galloway, B. T. Bitter rot of the apple. Annual Report U. S. Department of Agri¬ 
culture, 1887, p. 248. 
-. Sulphuret of potassium for bitter rot of apples. Journal of Mycology, Vol. v, 
p. 37. 
-. Bitter rot of apples. Section of Vegetable Pathology, U. S. Department of 
Agriculture, Bulletin 8, p. 61. 
-—. Bitter rot of the apple. Annual Report U. S. Department of Agriculture, 1839, 
p. 412. 
Saccardo, P. A. Ascochyta rufo-maculans, Berk. Sylloge, Vol. hi, p. 395. 
-. Glceosporium fructigenum, Berk. Sylloge, Vol. m, p. 718. 
-. Glceosporium Iceticolor, Berk. Sylloge, Vol. m, p. 718. 
-. Glccosporium versicolor, B. and C. Sylloge, Vol. in, p. 718. 
Smith, W. G. Glceosporium Iceticolor, Berk. Gardeners’ Chronicle, 1890, p. 657. 
Von Thiimen, F. Gloeosoporium rufo-maculans (Berk.), Thum. Fungi Pomicoli, p. 59. 
-. Glceosporium versicolor, B. and C. 1 ungi Pomicoli, p. 60. 
-. Glceosporium Iceticolor , Berk. Die Pilze des Aprikosenbaumes, p. 6. 
DESCRIPTION OP PLATE. 
Fig. 1. Stroma mass broken through the epidermis. Drawn from specimen, soaked 
in potash, which caused the ends of the hyphm to swell and the spores, 
if there were any, to fall off. 
Fig. 2. A later stage. The central part of the stroma mass has begun to break down 
and spores to form around the circumference. 
Fig. 3. Still later stage in the same process. 
Fig. 4. Glceosporium form of fungus. 
Fig. 5. Spores; three on basidia. 
Fig. 6. Setse. 
Fig. 7. Germinating spores; some producing secondary spores on byphse. 
ANTHRACNOSE OF COTTON.* 
Plates xvii, xviii. 
By George F. Atkinson. 
While investigating the disease of cotton popularly called u black 
rust” and “ red rust,” I found upon an old leaf scar of a cotton stalk a 
fungus, the spores of which in mass are of a roseate tint. The spores 
were produced in small clustered heaps, which at length broke through 
* Paper read before the American Association of Agricultural Colleges and Experi¬ 
ment Stations. Champaign, Ill., November 11-13, 1890. 
