166 



Mycologia 



Kauffman's Agaricaceae 



" The Agaricaceae of Michigan," by Dr. C. H. Kauffman, 

 which appeared in 1919, is a stupendous piece of work splendidly 

 done. No one who has not tried something of the kind can 

 realize what such an undertaking means. The detailed descrip- 

 tions of fresh specimens as they accumulated during the years; 

 their determination from scattered types and inadequate litera- 

 ture ; the photographs and drawings ; the careful microscopic 

 work; the serious questions relative to poisonous species; — all 

 these and more have been the task of Dr. Kauffman. 



The volume of text contains 924 pages, most of which are re- 

 quired for the descriptions of the 884 species listed for Michigan. 

 The introductory remarks include discussions regarding the 

 structure, habit of growth, distribution, collection, and classifica- 

 tion of the gill-fungi ; while the volume closes with a glossary 

 and bibliography by the author and a lengthy paper by Dr. O. E. 

 Fischer on mushroom poisoning. The second volume consists 

 of 162 full-size plates illustrating in black and white a total of 

 185 species, many of which have not been illustrated elsewhere. 



The new species published in this work, not to mention the 

 new varieties, are thirty in number, a list of which follows. They 

 are to be credited to Dr. Kauffman unless otherwise indicated : 



Russula ochraleucoides, R. subpunctata, R. amygdaloides, Hypholoma 

 peckianum, Psilocybe larga, Cortinarius iodeoides, C. velicopia, C. rubens, 

 C. elegantioides, C. aggregatus, C. sphaerosperma, C. purpureophyllus , C. viren- 

 tophyllus, C. subpulchrifolius, C. subtabularis, C. mammosus, C. impolitus, C. 

 subrigens, Inocybe lanotodisca, I. glaber, Hebeloma simile, Galera bulbifera, 

 G. cyanopes, Crepidotus stipitatus, Eccilia pirinoides, Amanita chrysoblema 

 Atk., Lepiota fischeri, Pleurotus albolanatus Pk., Tricholoma laticeps, and 

 Clitocybe praecox. 



W. A. MuRRILL 



Phytopathology for January, 1920, contains an article on Dr. 

 Farlow, by G. P. Clinton ; one on the potato mosaic disease, by 

 H. M. Quanjer; and abstracts of the phytopathological papers 

 presented at the recent meeting in St. Louis. 



In reporting on the potato wart survey for 1919, Dr. Lyman 

 states that the disease was found in small amounts in six villages 



