336 Mycologia 



of which Dr. E. J. Butler is Director, with headquarters at Kew 

 Gardens, London. The address is 17 Kew Green, Kew, Surrey, 

 England. 



A disease of English ivy caused by Bacterium Hederae has been 

 studied and described at Paris by Arnaud (Compt. Rend, for 

 1920). The symptoms are said to resemble those produced on 

 beans in America by Pseud onionas Phaseoli. 



Isoachlya, a new genus of the Saprolegniaceae, was described by 

 Kauffman in the American Journal of Botany for May, 192 1. 

 Three species are included, /. toruloides Kauffm. & Coker being 

 new and the other two transferred from Achlya and Saprolegnia. 



Professor Buller has recently sent me a reprint of his article, 

 entitled " Die Erzeugung und Befreiung der Sporen bei Coprinus 

 sterquilinus," which was published in the Jahrb. f . Wissensch. Bot. 

 in 191 5. It contains 30 pages of text and 2 handsome double 

 plates. 



Mr. Weir finds that not only Thelcphora terrestris, but also T. 

 fimbriata and T. caryophyllca, are injurious to coniferous seedlings 

 in the Northwest, owing to their habit of growing up about them 

 and strangling them. See Phytopathology for March, 192 1. 



Miss Bessie Etter has published in Phytopathology for March, 

 192 1, an article describing the equipment necessary for making 

 successful field cultures of various wood-rotting fungi. Corn- 

 meal agar and malt agar gave the best results for initial inocula- 

 tions. 



Miss Wakefield, the mycologist at Kew, has recently published 

 a paper of 20 pages on the " Fungi of New Caledonia and the 

 Loyalty Islands." She was assisted by Mr. Massee on certain 

 groups and Mr. Cotton named the Clavarias. Eight new species 

 are described. 



