ZOOLOGY AND BOTANY, MICROSCOPY, ETC. 629 



including 2 new genera, 28 new species, and a new variety. Among the 

 fungi, 25 species of Mycetozoa find place. The new genera are Pseudo- 

 lachnea, a member of the Excipulacere in which the fruit simulates a 

 Peziza, and Ranojevicea (Tuberculariaceas) with forked conidiophores 

 terminating in two sterigmata. 



Catalogue of Irish Fungi.* — J. Adams and G. H. Pethybridge 

 have recently issued their list of all the fungi hitherto recorded in Ire- 

 land. Their first record is taken from Threlkeld's Synopsis Stirpium 

 Hibernicarum, published in 172G, which contains the names of 10 species 

 of fungi found in Ireland. The first serious investigator was John Tem- 

 pleton, who collected and named 232 species prior to 1800, though not 

 published till Taylor prepared a catalogue in 1840. The authors' list 

 contains 1464 species, but they consider that it probably represents less 

 than half the fungal flora of the country. The Basidiomycetes are most 

 largely represented by 711 species, after them the Ascomycetes with 344 

 species. A full bibliography is added. 



Mycological Notes. II. j— C. Ferdinandsen and 0. Winge publish 

 notes on a series of fungi. Gladochytrium Myriophylli was placed with 

 its host Myriophyllum verticiUatum in a glass of water, and both sank to 

 the bottom during the winter. In May the resting-spore became a 

 sporangium with zoospores. The development of Sebacina eaesia was 

 watched : the crust thickened by the gradual formation of new basidia ; 

 specimens of GalacUnia saniosa were found with blue milk. Other fungi 

 are commented on and their proper affinities given, and some new species 

 are described. 



Ambrosia Fungi 4— J. Beauverie has brought to a conclusion the 

 account of his researches on the fungi cultivated by wood-boring insects. 

 Neger had already established the fact that these insects used such beds 

 of fungi as nourishment. Beauverie has reviewed Neger's work and 

 added his own results. He finds that the fungi draw from the woody 

 tissues nitrogenous substances and present them in a concentrated form, 

 a great advantage to the insects. Ambrosia-eating insects bore their 

 galleries only in rather fresh material and always in sap-wood, as only in 

 such conditions could the fungus develop properly and find the aeration 

 necessary for growth, and it is noteworthy that these galleries never 

 traverse wood previously contaminated in any way. It has been impos- 

 sible to determine accurately the fungus in the galleries of Tomicus 

 dispar, but Beauverie found Dematium forms, and in the stroma formed 

 of the hyphse in the galleries were empty hollow cases which may be 

 undeveloped pycnidia of a Macrophoma. Figures and descriptions refer- 

 ring to the whole work are published. 



Review of Plant Diseases. § — M. Hollrung's yearly volume on plant 

 diseases has just been issued, dealing with the material published on this 



* Proc. Roy. Irish Acad., xxviii. (1910) pp. 120-66. 



t Bot. Tidsskr., xxix. (1909) pp. 305-19. See also Bot. Centralbl., cxiii. (1910) 

 pp. 627-8. 



% Ann. Sci. Nat. Bot., se'r. 9, xi. (1910) pp. 65-73 (5 pis. and 10 figs.). 



§ Jahresb. Pflanzeukr., xi. (1908). Berlin : Paul Parey (1910) vii. and 362 pp. 



