Neue Litteratur. 105 



Stone, R. E. 1915. The life history of Ascochyta on some leguminous 

 plants. IL (Phytopathology. V. p. 4—10. 1 f.) 



Tolaas, A. G. 1915. A bacterial disease of cultivated mushrooms. 

 (Phytopathology. V. p. 51—54. ill.) 



Weir, J. R. 1915. A new host for a species of Razoumofskya. (Phyto- 

 pathology. V. p. 73.) 



Weir, J. R. 1915. New hosts for some forest tree fungi (Phytopathology. 

 V. p. 71—72.) 



Weir, J. R. 1915. Some observations on abortive sporophores of wood 

 destroying Fungi. (Phytopathology. V. p. 48 — 50.) 



XIV. Bacteriolop:ie. 

 Cf. I. Kruls; XIII. Tolaas. 



Brown, P. E. and E. H. Kellogg, 1915. Sulfofication in soils (Cbl. 



Bakt. 2. XLIII. p. 552—601.) 

 Greig-Smith, R. 1915. Bacterial toxins in soils. (Rep. 48th Meet. british 



Ass. Adv. Sc. Australia, 1914. London. 1915. p. 667 — 668.) 

 Roscasolano, A. de G. 1915. Investigaciones sobre la alimentacion 



nitrogenada de las plantas por via bacteriana. (Tercera comuni- 



cacion]. (Bol. r. Soc. espanola Hist. nat. XV. p. 199—213. 1 1.) 

 Roscasolano, A. de G. y S. F. Benedid. 1915. Investigaciones sobre la 



alimentacion nitrogenade de las plantas por via bacteriana. 



[Cuarta Comunicacion]. (Bol. r Soc. espanola Hist. nat. XV. 



p. 244—252) 

 Spiro, K. 1915. Die Wirkung von Wasserstoffsuperoxyd und von 



Zucker auf die Anaerobier. (Münchener med. Wochenschr. 1915. 



p. 497-499.) 

 Zikes, H. 1915. Vergleichende Untersuchungen über Sphaerotilus 



natans (Kützing) und Cladothrix dichotoma (Cohn) auf Grund von 



Reinkulturen. (Cbl. Bakt. 2. XLIII. p. 529—552.) 



XV, Lichenes. 



Frazier, Z. R. 1915. Notes on the ecology of Flora Lichens. (Proc. 



Journ. Ac. Sc. XXI. p. 67-75.) 

 Smith, A. Lorrain 1915. Relationship of Fungus and Alga in the 



Lichen-thallus. (Rep. 48th Meet. british Ass. Adv. Sc. Australia, 



1914. London, 1915. p. 580—581.) 

 Wheldon, J. A. and A. Wilson. 1915. The Lichens ofPerthshire. [cont.] 



(Journ. of Bot. LIII. Suppl. p. 57—64.) 



XVI. Bryophyten. 



Cheltham, C. A. 1915. Bryologist at Austwick. (Naturalist. 1915. p. 



168-170.) 

 Cheltham, C. A. 1915. Grimmia Hartmani, Schp. an addition to the 



Yorkshire moss flora. (Naturalist. 1915. p, 192.) 

 Cotton, A. D. 1915. Ptilota plumosa Ag. in Britain. (Journ. of Bot. 



LIII. p. 171-172.) 

 Evans, A. W. 1915. The genus Plagiochasma and its North American 



species. (Bull. Torrey bot. Club.'^XLII. p. 259—308. 8 f.) 

 Gates, F. C. 1915. A Sphagnum Bog in the Tropics. (Journ. of Ecology. 



III. p. 24—30.) 

 Ingham, W. 1915. Bryology of Castle Howard. (Naturalist. 1915. 



p. 174.) 

 Ingham, W. 1915. Lepidozia sylvatica Evans, a new Yorkshire Hepatic. 



(Naturalist. 1915. p. 145.) 

 Irmscher, E. 1914. Beiträge zur Laubmoosflora von Columbien. Aus 



