ZOOLOGY AND BOTANY, MICROSCOPY, ETC. 83 



Notes on the Larger Fungi.* — In Polyporoid Issue, No. 2, C. G. 

 Lloyd discusses the genus Favolus, Hexayona, and some noteworthy 

 Polyporoids, with an account of the genus Ptychog aster (Ceriomyces) ; 

 he states the generally received opinion that it is a modification or 

 conidial form of a Polypore, but he has seen nothing to justify the 

 statement. In Issue No. 3, Lloyd describes other forms of Polyporus 

 that have more recently come under his notice, such as the large species 

 P. Berkeleyi and the minute P. pocida. 



He has also sent out recently Notes No. 33,f with a portrait of 

 Paul Hennings and a sketch of his life. There are also comments on a 

 great number of plants. No. 34 with a photograph and a short account 

 of G. Massee and notes on various Phalloids with criticisms of various 

 published diagnoses of fungi. No. 35 presents a photograph and an 

 account in French of G. Bresadola, and gives a description of the Poly- 

 pores in Persoon's herbarium. No. 36 has a photograph of the late 

 W. A. Kellerman, with a short note of his work. The botanical congress 

 at Brussels is discussed, and several important and rare fungus genera 

 are described, such as Lycoyalopsis, Jansia and C'yclomyces. The latter 

 contains two species only, one from the East and one from America. 

 Lloyd publishes also a plate and description of Polyporus clryadeus, the 

 weeping Polypore. In Europe it grows on oak, but was found in 

 America growing on elm. 



Witches'-brooms on Firs4— These have generally been attributed 

 to the damage caused by a Uredine fungus. C. V. Tubeuf has, however, 

 demonstrated that they are not originated by a parasite. He has sown 

 seeds collected from trees bearing the witches'-brooms, and the resulting 

 trees again formed brooms. 



Wintering of Plant-parasites. § — Among other parasitic plants 

 C. S. Tubeuf studied the wintering of the fungus causing mildew of 

 apples and the mallow fungus Puccinia malvacearum. The mildew 

 was found to shelter in the buds ; soon after opening the young leaves 

 were covered with the spores already formed, which must have developed 

 within the bud. As to Puccinia malvacearum, which grew on Althea 

 rosea, the teleutospores were found to be capable of germination after 

 the melting of the snow. Other observations proved that the mycelium 

 of the fungus persisted in the root-stock of Althea rosea. 



Technical Mycology. — This important work of Franz Lafar has 

 been before the public for some time, and Charles T. C. Salter has just 

 completed the translation into English from the German original 

 of the second volume. It deals generally with fermentation, and the 

 fungoid organisms that take part in that process. The work therefore 

 embraces a discussion of yeasts, their life-history and development, and 



* Cincinnati, 1909-10. pp. 17-48 (many figs.). 



t Tom. cit., pp. 425-92 (pis. and figs.). 



J Naturw. Zeitschr. Forst.-Landw., viii. (1910) pp. 349-51. See also Ann. 

 Mycol., viii. (1910) p. 579. 



§ Naturw. Zeitschr. Forst.-Landw., viii. (1910) pp. 56-8. See also Ann. 

 Mycol., viii. (1910) pp. 578-9. 



|| London : Charles Griffin and Co. (1910) pp. ix. and 748 (text-figs.). 



G 2 



