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Fetch, T. Revisions of Ceylon Fungi. Part. V. (Ann. Roy. Bot. Gard. Peradeniya VI 

 [1917], p. 307—355.) 



i 



Petrak, F. Beitrage zur Pilzflora von Mahren und Osterreich.-Schlesien. 3. (Ann. 

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— Beitrage zur Pilzflora von Mahren und Osterreich.-Schlesien. 4. (Ibidem p. 

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Petri, L. Die saurebildende Wirkung des Badidiomyceten Coniophora cerebella auf 

 Bauholzer. (Intern, agrartechn. Rundsch. VIII [1917], p. 903—904.) 



Piemeisel, F. J. Factors affecting the parasitism of Ustilago Zeae. (Phytopathology 

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Pole, Evans J. B. Notes on the genus Terfezia: a truffle from the Kalahari. (Trans- 

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— and Bottomley, A. An enumeration of the fungi collected at Kentani in the Cape 

 Province by Miss. Alice Pegler A. L. S. from 1911 — 1914. (Ann. Bolus Herbar. 

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Potter, A. A. and Coons, G. N. Differences between the species of Tilletia on wheat. 

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Povah, H. W. Helicostylum and Cunninghamella : two genera of Mucorales new to 

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Ramaley, F. Mushroom fairy rings of Tricholoma praemagnum. (Torreya XVI 

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Ramsbottom, J. Recent published results on the cytology of fungus reproduction 

 1916. (Transact, british mycol. Soc. V [1916], p. 441—461.) 



Rands, R. D. The production of spores of Alternaria Solani in pure cultures. (Phyto- 

 pathology VII [1917], p. 316—317.) 



Rangel, E. Algunos fungos novas do Brasil. (Arch. Jard. Bot. Rio de Janeiro II 

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Raunkiaer, C. En ny Tulasnella-Art samt Bemarkninger on Tulasnellas systematiske 



Stilling. (Bot. Tidsskr. XXXVI [1918], p. 204—209.) 

 Rea, C. Report of the Baslow Spring Foray and complete list of the Fungi. (Transact. 



british mycol. Soc. V [1915], p. 187—191.) 



— The Swansea Foray and complete list of the Fungi. (Ibidem V [1915], p- 

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— Notes on fungus illustrations. (Ibidem V [1915], p. 211 228.) 



Rea, C. The new Forest Foray and complete list of the Fungi and Mycetozoa. (Trans- 

 act, british mycol. Soc. V [1916], p. 351 — 364.) 



Report of the Shrewsbury Foray and complete list of the Fungi. (Ibidem VI 

 [1917], p. 1—14.) 



Rea, R. New or rare British fungi. (Transact, british mycol. Soc. V [1916], p. 

 434—440, 1 PI.) 



— New or rare British fungi. (Ibidem VI [1917], p. 61—64.) 



Riehm, E. Entgegnung auf die Richtigstellung von Dr. E. V o g e s. (Centralbl. f. 



Bakt. usw. II. Abt. Bd. XLIX [1919], p. 144.) 

 Roll, J. Unsere eBbaren Pilze in naturlicher GroBe, dargestellt und beschrieben mit 



Angabe ihrer Zubereitung. VIII. Aufl. (Tubingen 1918 VIII u 37 pp 14 Taf., 



1 B., 8°.) 



Rudau, B. Vergleichende Untersuchungen iiber die Biologie holzzerstorender Pilze. 



(Beitrage zur Biologie der Pflanzen XIII [1917], p. 375—458, Taf. XII— XVII.) 

 Rumbold, C. Notes on effect of dyes on Endothia parasitica. (Bot Gazette LXIV 



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