74*; SUMMARY OF CURRENT RESEARCHES RELATING TO 



establishes a new genus, Blastospora. The teleutospores resemble those 

 of Uromyces, but on germination the whole upper end of the spores 

 grows out to form the promycelium. Itformed uredospores and teleuto- 

 spores on Smila.r Sicboldi. A number of new speeies are also recorded 

 and described. A figure is given of the new genus. 



C. v. Tuheuf * lias found that the pear-tree rust persisted through 

 the winter at the base of the leaves, etc., and in spring produced spenno- 

 gonia on the bud-scales, and later aecidia in large numbers; in the 

 following year these parts of the tree died after two successive secidium 

 formations. 



In a discussion as to the appearance of new forms of plant life 

 Ed. Fischer t selects the Uredinea3 to illustrate his theme. He describes 

 the life-history as now understood from recent researches, presenting a 

 change of generation from one with uninucleate cells to another with 

 binucleate, and he draws attention to the modifications that may occur 

 in either, so that in the sporophore generation the ajcidium or uredo, or 

 both, may be omitted, and in the sexual generation the spermogonia 

 may have entirely disappeared. These variations he concludes represent 

 a young type phylogenetically, and such curtailed forms may be regarded 

 as still in a state of development. 



Identity of Polyporus applanatus of Europe and North America.^ 

 — This rather common bracket-fungus has been stated by some fungo- 

 logists to be different from the one known by that name in the American 

 States. G. F. Atkinson has therefore made a study of the species, and 

 decides that they are identical in the form and appearance of the pileus, 

 and in the colour, form, and marking of the pores. He cites all the 

 different authorities who have written on the subject, and sums up the 

 synonymy of the species, placing it in the genus Ganoderma and giving 

 it an earlier specific name, G. lipsiensis. 



Monographs of the Higher Fungi. — Ft. Bataille§ has issued a flora 

 of the Asterosporaj, that is of Lactarius and Russula, 78 species of the 

 former and 99 of the latter. He has drawn up keys to the species based 

 on the more easily observed characters, form, colour, stalk, etc. 



A second monograph || deals with Boletus, for which he lias also 

 drawn up keys, dividing the species into genera or sub-genera. Colour 

 of spores and the form of the pores are the determining characters, so 

 that in section Tubulati there are 3 series : (1) Porj hyrospori (with 

 the genera Eriocorys, Plmosporus and Rhodoporus ; (2) Eupori, in- 

 cluding TracJ/ypus, Coelopus and CEdipus ; and (3) Heteropori, with 

 the genera Xerocomus, Ixocomus and Ghalcvporns. The section Alveo- 

 lati is divided into 3 genera, Uloporus, Phylloporus, and Euryporm. 



Form-development of Pileate Fungi, f — Werner Magnus has pub- 

 lished a paper on this subject, the results of observation and experiment 



* Nat. Land. Forstw., iv. (1907) pp. 217-19. See also Bot. Centralbl., cviii. (1908) 

 p. 187. t Mitt. Nat. Gesell. Bern, 1907 (1908) pp. 136-54. 



\ Ann. Mycol., vi. (1908) pp. 179-91 (3 pis.). 



§ Extr. Mem. Soc. Kmul. Doubs, ser. 8, ii. (1907) 100 pp. See also Bot. Centralbl., 

 viii. (1908) pp. 330-1. 



|| Bull. Soc. Hist. Nat. Doubs, No. 15 (1908) 30 pp. See also Bot. Centralbl., 

 cviii. (1908) pp. 331-2. f Arcb. Biontol., i. (1906) pp. 85-161 (6 pis.). 



