430 CLASS BASIDIOMYCETEAE 



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 PL 8. 1905. 



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Clinton, George Perkins: The Ustilagineae, or smuts, of Connecticut, Con- 

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: Ustilaginales, N. Am. Flora, 7(1) :l-82. 1906. 



CoLLEY, R. H.: Parasitism, morphology, and cytology of Cronartium ribicola, 

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 Fig. 1. 1927a. 



: Discovery of the function of the pycnia of the rust fungi, ibid., 120(3030) : 



765-767. Figs. 1-2. 1927b. 



■: On the occurrence of pycnia and aecia in certain rust fungi. Phytopa- 

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 Cummins, George B.: Phragmidium species of North America: Differential 



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Dangeard, p. a.: M^moire sur la reproduction sexuelle des Basidiomycetes, Le 



Botaniste, 4:119-181. Figs. 1-24. 1894-1895. 

 Davis, W. H. : Summary of investigations with Ustilago striaeformis parasitizing 



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1886. 

 Dickinson, Sydney: Experiments on the physiology and the genetics of the smut 



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 DiETEL, P. : Zur Kenntnis der Gattung Uredinopsis Magnus, Ber. deut. botan. 



Ges., 13(7) :326-332. PL 26. 1895. 

 — : Uber den Generationswechsel der Rostpilze, Natur und Schule, 1:205- 



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 : Monogiaphie der Gattuiig Ravenelia Berk, Botan. Centr. Beihefte, 



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 Figs. 1-80. 1928. 

 Dodge B. 0.: Effect of the orange rusts of Rubus on the development and distri- 

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