8 Botanisches Centralblatt. 



Lister, G. 1917. A Short history of the study of mycetozoa in Britain, 



with a list of species recorded from Essex. (Essex Nat. XVIII. p. 



207—232.) 

 Lister, G. 1915 Mycetozoa found in the Gower Peninsula. Sept. 19 to 



Oct. 2. (Trans, british mycol. Soc. V. p. 208—210.) 

 Lister, G, 1917. Mycetozoa seen at the Shrewsbury Foray. (Trans. 



british mycol. Soc. VI. p. 15 17.) 

 Pascher, A. 1918. Ueber die Myxomyceten. (Ber. deutsch, bot. Ges. 



XXXVI. p. 359-380. 15 A.) 

 Ross, J. 1915/16 Mycetozoa in the Chingford districtofEppinsf Forest 



in August and September 1915 and 1916. (Essex Nat. XVIII. p. 



192—193.) 



XIII. Pflaiizenkrankheiten. 

 Cf. XX. Orton. 



Archer, S. 1917, A disease or teratological malformation of lucerne> 

 (Proc. r. Soc. Victoria. N. S. XXIX. p. 150—153. 1 pl.) 



Anderson, P. J. 1918. Rose canker and its control. (Bull. Massachu- 

 setts. Agr. Exp. Stat. 1918. 183 ) [A disease caused by Cylindro- 

 cladium parvum described as a new species. — Trelease.] 



Ghristensen, C. J. 1917. Tiltraekning af kaalroeformer med saerlig 

 modstandseve mod kaalbroksvarap. (Tidskr. Planteavl. XXIV. p. 

 68-82.) 



Krakover, L. J. 1917. The leaf-spot disease of red clover caused by 

 Macrosporium sarcinaeforme Cav. (Annual Rep. Michigan Ac. Sc. 

 XIX. p. 275-328. 2 f. 5 pl ) 



Maitin, G. W. 1918. Brown blotch of the Kiefifer pear. (Phytopatho- 

 logy. VIII. 234-238. 9 f.) 



Massey, L. M. 1918. The diseases of roses. (Trans. Massachusetts hört. 

 Soc. 1918. p. 81-101 2 pl.) 



Peltier, G. L. 1918. Susceptibility and resistance to Citrus-canker of 

 the wild relatives, Citrus fruits and hybrids of the genus Citrus. 

 (Journ. agr. Res. XIV. p. 337—357. 4 pl.) 



Peltier, G. L. and D. C. Neai. 1918. Overwintering of the Citrus-can- 

 ker organism in the bark tissue of hardy Citrus hybrids. (Journ. 

 agr. Res. XIV. p. 523—524. 1 pl.) 



Pethybridge, G. H. and H. A. Lafferty. 1918. A disease of flax seedlings 

 caused by a species of Colletotrichum and transmitted by infected 

 seed. (Sc. Proc. r. Dublin Soc. XV. N» 30 ) 



Petri. L. 1917 Studien über die Tintenkrankheit des Kastanienbau- 

 mes in Italien. (Intern, agr.-techn. Rundsch VIII. p. 906-908.) 



Ramsbottom, J. 1916. Training in plant pathology. (Trans, british 

 mycol. Soc. V. p. 378 380. ^ 



Reddick, D. 1918. Lightning injury to grape vines. (Phytopathology. 

 VIII. p. 298.) 



Report (1918) of the Chief Editor. (Phytopathology. VIII. p. 182—190.) 



Roberts, J. W. 1918. The sources of apple bitter- rot infections. (Bull. 

 U. S. Dep. Agr. 1918. 684 25 pp. 5 pl ) 



Schmidt, H. 1918. Biologische Bemerkungen zur Massalongia rubra- 

 Galle an Betula. (Soc. entomol. XXXIII. p. 35.) 



Schmidt, H. 1918. Neue Käfergallen aus der Umgebung von Grün- 

 berg i. Schlesien. (Soc. entomol. XXXIII. p. 29.) 



Sehoevers, T. A. C. 1918. Vreemde lichaampjes in zieke spinazie- 

 wortels. [Unknown corpuscules in diseased spinach-roots]. (Med. 

 Landbouwhoogeschool Wageningen. XV. p. 75—84. 1 pk Dutcli 

 and engl.) 



