Neue Litteratur. 55 



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Stakman, E. C, F. J. Piemeis«! and M. N. Levine. 1918. Plasticity of 

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Sumstins, D. R. 1918. Fungi of Chantanqua County, N. Y. (Bull. New 

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Tanaka, T. 1918. New Japanese Fungi. Notes and translations. V. 

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Thaxter. R. 1918. Extra-American dipterophilous Laboulbeniales. 

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Thaxter, R. 1918. New Laboulbeniales from Chile and New Zealand. 

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Wehmer, C. 1918, Ueber Fumarsäure-Gärung. (Jahrber. Ver. angew. 

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Windisch, W. 1918. Ueber die Krankheiten der heutigen Dünnbiere, 

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Yates, H. S. 1918. Some recently collected Philippine fungi. II. (Phi- 

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Young, V. H. 1918. Some factors affecting inulase formation in 

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Zeller, S. M. 1918. An interesting fungus from Friday Harbor, Wa- 

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Zeller, S. M. and C. W. Dodga. 1918. Rhizopogon in North America. 

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XII. Myxomycetes. 



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Xni. Pflanzenkrankheiten. 



Belosersky, N. 1917. Peronospora Radii, ein für Italien neuer Schäd- 

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 Bernard, C. 1918. De wortelkraagschimmel [Ustulina zonata]. (Med. 



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 Bernard, C. 1918. Inleiding en bibliographisch overzicht over de door 



schimmeis veroorzaakte wortelziekten van de theeplant. (Med. 



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 Bouequet, P. A. 1917, Ueber den Stickstoff in kranken Pflanzen. 



(Intern, agr.-techn. Rundschau. VIII. p. 930—932.) 

 Chapman, G, H. 1917. Mosaic disease of tobacco. (Bull. Massachusett 



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 Cook, M. T. 1918. Common diseases of shade and ornamental trees. 



(Circ. New Jersey Agr. Exp. Stat. 1918. 98. 27 pp. 11 f.) 

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 Dufrenoy, J. 1917. La degenerescence pectique. (C. R. Soc. Biol. Paris. 



LXXXII. p. 39-40.) 

 Graves, A. H. 1918. Resistance in the American chestnut to the bark 



disease. (Science. 2. XLVIII. p. 652—653.) 

 Guinier, P. 1917. Armillaria mellea, ein Schädling des Nussbaumes 



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