MYXOMYCETES FROM SOUTH AMERICA 
William C. Sturgis 
Our knowledge of the Myxomycetes of South America is com- 
paratively meager. Spegazzini’s numerous articles upon the fungi 
of Argentina, Brazil, Uruguay, and Paraguay’^ contain references 
to Myxomycetes and describe a number of new species, several 
of which, however, appear, on closer examination, to be referable 
to already known forms. R. E. Fries^ has listed 47 species from 
Argentina and Bolivia. From Brazil, Berkeley and Curtis,® Hen- 
nings,^ Jahn,® von Hohnel,® and Sydow’^ have published brief lists. 
Johow® mentions a few species belonging to this group in his 
Flora of Juan Fernandez, Chile. Ecuador is represented by a 
small number included by Patouillard and Lagerheim in their 
“ Champignons de I’fiquateur,”* while the former observer, in 
collaboration with Gaillard, reports ii species of Myxomycetes 
in his “ Champignons du Venezuela.”^® Although practically all 
parts of South America are represented in the publications of the 
above observers, the number of actual species of Myxomycetes 
listed is surprisingly small. It is therefore gratifying to be able 
to add materially to our knowledge in this field. 
The following species were collected by Professor Roland 
Thaxter in Argentina and Chile in 1905-06. The collection is 
deposited in the Cryptogamic Herbarium of Harvard University, 
and it is through the courtesy of Professor Thaxter and Dr. W. 
1 Anal. Soc. Cient. Argentina, 1881, 1886, 1888; Bol. Acad. Nac. Ciencias, 
1887, 1889; Rev. Facul. Agr. y Vet., 1896; Anal. Mus. Nac. Buenos Aires, 
1899, 1909. 
2 Arkiv. f. Botanik, 1906. 
sjourn. Linn. Soc., Botany, 1877. 
« Hedwigia, 1896. Idem, Beiblatt, 1902. 
5 Ber. Deutsch. Bot. Gesellsch., 1902; Hedwigia, 1904. 
6 Denkschr. K. Akad. Wiss. Wien, 1907. 
t Ann. Mycol., 1907. 
8 Estud. sobre la Flora d. 1. Islas de Juan Fernandez, 1896. 
9 Bull. Soc. Myc. France, 1893. 
19 Bull. Soc. Myc. France, 1888. 
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