Index to American IVIycological Literature 
255 
Shear, C. L. Some observations on phytopatliological problems 
in Europe and America. Phytopathology 3: 77 ~^ 7 - 19 ^ 3 - 
Shear, C. L., & Wood, A. K. Studies of fungous parasites be- 
longing to the genus GlomcreUa. U. S. Dept. Agr. Plant Ind. 
Bull. 252: 5-1 10. pi. 1-4. 25 Ja 1913. 
Spegazzini, C. Contribucion al estudio de las Laboulbeniomi- 
cetas argentinas. An. Mus. Nac. Hist. Nat. Buenos Aires 23; 
167-244. /. 1-71. 1912. 
Describes three new genera and twenty-five new species. 
Spegazzini, C. Mycetes argentinenses — VI. An. Mus. Nac. Hist. 
Nat. Buenos Aires 23: 1-146. /. 76-gg. 2 Ap 1912. 
Describes a large number of new species. 
Stewart, A. Expedition of the California Academy of Sciences 
to the Galapagos Islands, 1905-1906. VII. Notes on the 
lichens of the Galapagos Islands. Proc. California Acad. Sci. 
I ; 431-446. 17 D 1912. 
Sturgis, W. C. On Stcmoiiitis nigresccns and related forms. 
Bot. Gaz. 55: 400, 401. 15 My 1913. 
Sturgis, W. C. The Myxomycctes of Colorado — II. Colorado 
Col. Publ. Sci. 12: 435-454. pi. 2. Ap 1913. 
Includes Fuligo megaspora, Didymium anomahim and Enerthencma syn- 
carpon, spp. nov. 
Wilcox, E. M., Link, G. K.'K., & Pool, V. W. A dry rot of the 
Irish potato tuber. Nebraska Agr. Exp. Sta. Research Bull, 
i: 5-88. pi. 1-28 -\-f. 1-15. I Mr 1913. 
