38 Botanisches Centralblatt. 



(Mitt. Kais. Wilhelms Inst. Landw. Bromberg-. V. p. 143— 170. 6 A.) 

 Kusano, S. 1912. On the life-history and cytology of a new Olpidium 



with special reference to the copulation of mottle isogametes. 



(Journ. Coli. Agr. Tokyo. IV. p. 141-199. 1 f. 3 pl.) 

 Learn, C. D. 1912. Studies on Pleurotus ostreatus Jacqu. and PI. ul- 



marius Bull. (Ann. Mycol. X. p. 542—556. 3 pl.) 

 Le Renard, A. 1912. Influence du milieu sur la resistance du Penicille 



crustace aux substances toxiques. (Ann. Sc. nat. 9. S6r. Bot. XVI. 



p. 277 -336.) 

 Lindau, G. et P. Sydow. 1912. Thesaurus litteraturae mycologicae et 



lichenologicae. Vol. III. Pars I. p. 1 — 192. (Lipsiis, Bornträger, 1912.) 

 Lloyd, C. G. 1912. The polyporoid types of Leveille at Leiden. Letter 



N° 36. (Med. Rijks Herb. Leiden. 1912. 9. 5 pp.) 

 Lloyd, C. G. 1912. The polyporoid types of Junghuhn preserved at 



Leiden. Letter N° 37. (Med. Rijks Herb. Leiden. 1912. 10. 5 pp.) 

 McAlpine, D. 1912. Bitter pit investigation. First Progress Report. 



1911 — 1912. (Melbourne, 1912. 4°. 117 pp. 33 pl.) 

 Massee, G. 1912. Mycology, new and old. (Naturalist. 1912. p. 366 — 367.) 

 Melhus, J. E. 1911. Experiments on spore germination and infection 



in certain species of Oomycetes. (Univ. Wisconsin agr. Exp. Stat. 



Res. Bull. XV. p. 25—91. 10 pl.) 

 Portier, P. 1911. Recherches physiologiques sur les Champignons en- 



tomophytes. (Paris, J. Lechevalier. 1911. 8°. 47 pp. 10 f.) 

 Seaver, F. J. 1912. The genus Lasiosphaeria. (Mycologia. IV. p. 66—67.) 

 Stone, R. E. 1912. The life history of Ascochyta on some leguminous 



plants. (Ann. Mycol. X. p. 564—592. 2 pl.) 

 Torrend, C. 1912. Les Basidiomycetes des environs de Lisbonne et 



de la region de S. Fiel [Beisa Baixa]. (Broteria. Ser. Bot. X. 3.) 

 Treboux, 0. 1912. Infektionsversuche mit parasitischen Pilzen. III. 



(Ann. Mycol. X. p. 557—563.) 

 Vincens. 1911. Sur les Champignons parasites de la Cochylis et de 



l'Eudemis. (Soc. Hist. nat. et Sc. biol. et energ. Toulouse. 



1911. 6 pp.) 



XII. Myxomycetes. 



(Vacat.) 



XIII. Pflanzenkrankheiten. 

 Cf. XX. Bulletin. 



Arnaud, G. 1912. Notes phytopathologiques. (Ann. Ecole nat. Afifr. 



Montpellier. 2. XII. 20 pp. 9 f.) 

 Eriksson, J. 1913. Etudes sur la maladie produite par la rhizoctone 



violacee. (Rev. gen. Bot. XXV. p. 14-30.) 

 Griffon, E., A. Rhiza, E. Foex et P. Berthault. 1912. Une maladie du 



ma'is de Cochinchine. (Bull. Soc. mycol. France. XXVIII. p. 



333—338.) 

 Groenewege, J. 1912. De rotting der tomaten-vruchten, veroorzaakt 



door Phytobacter lycopersicum n. sp. (Med. R. H. L. T. en B. 



School Wageningen. V. p. 217-239. 5 pl.) 

 Hall, C. J. J. van 1912. De cacaokanker op Java en zijne bestrijding. 



(Med. Proefstat. M.-Java. 1912. N u 6.) 

 Hedgeoek, G. G. 1912. Notes on some western Uredineae which at- 



tack forest trees. (Mycologia. IV. p. 141 — 147.) [This paper is a 



summary from field notes upon seven species of Peridermium. 



one species of Caeoma, and two species of Uredo which are to be 



found in the western part of North America. — R. J. Pool.] 



