354 



Mycologia 



Reinking, 0. A. Diseases of economic plants in Indo-China and 

 Siam. Philipp. Agr. 9: 181-183. F 1921. 



Richards, B. L. Pathogenicity of Corticium vagum on the potato 

 as affected by soil temperature. Jour. Agr. Res. 21 : 482-495. 

 pi. 88-93. 1 Jl 1921. 



Schmitz, H., & Daniels, A. S. Studies in wood decay. I. Labo- 

 ratory tests on the relative durability of some western coniferous 

 woods, with particular reference to those growing in Idaho. 

 School Forestry Univ. Idaho Bull. Jl 1921. 



Schmitz, H. Studies m wood decay. II. Enzyme action in 

 Polyporus volvatus Peck and Fomes ignarius (L.) Gillet. 

 Jour. Gen. Physiol. 3: 795-800. 20 Jl 1921. 



Shear, C. L., & Dodge, B. 0. The life history and identity of 

 " Patcllina Fragariae" " Leptothyrium macrothecium" and 

 " Pcz'xza Ocnotherac." Mycologia 13: 135-170. pi. 8-10 & f. 

 1-5: 1 92 1. 



Shear, C. L., & Stevens, N. E. [Editors.] The correspondence 

 of Schweinitz and Torrey. Mem. Torrey Club 16: 119-300. 

 pi. 6, 7. 16 Jl 1 921. 



Smith, E. F., & Godfrey, G. H. Bacterial wilt of Castor bean 

 (Ricinus communis L.). Jour. Agr. Res. 21 : 255-262. pi. 55- 

 67 & f. 1. 16 My 1921. 



Smith, E. F., & McKenney, R. E. B. The present status of the 

 tobacco blue-mold (Peronospora) disease in the Georgia-Florida 

 district. U. S. Dept. Agr. Circ. 181: 1-4. 7 Je 1921. 



Spegazzini, C. Algunas observaciones relativas a las hojas de 

 Coca (Erythroxylon Coca Lam.). Anal. Soc. Cient. Argen- 

 tina 90 : 23-32. 1920. 



Includes new species in Sphaerella (i), Ravenelula (i), and Protomyces 

 (1). 



Spegazzini, C. Sobre algunas enfermedades y hongos que afectan 

 las plantas de " agrios " en el Paraguay. Anal. Soc. Cient. 

 Argentina 90 : 155-188. 1920. [Illust.] 



Includes Amylirosa, Ephelidium, Pseudohaplosporella, Pseudodiplodia, gen. 

 nov. and new species in Odontia (i), Eutypella (i), Eutypa (i), Cryptospo- 

 rella (i), Ustulina (i), Didymella (i), Melanomma (2), Lophidiopsis (1), 

 and Amylirosa (1). 



Stahel, G. De Sclerotium-ziekte van de Liberiakoffie in Suriname 



