210 SUMMAEY OF CUKRENT EESEARCHES RELATING TO 



Fleboff, a. — Die Bedingungen der Pigmentbildung bei Pilzen. (The conditions 



of pigment-formation in fungi.) 



[Experiments were made with Penicillium, purpurogeiuim.'] 



Bull. Jard. Imp. Bot. St. Petersburg, vi. pp. 71-89. 

 See also Hedioigia,-slvi. (1906) Beibl., pp. 8-9. 



He ST, J. J. VAN — Fseudovakuolen in Hefezellen. (Pseudovacuoles in yeast-cells. 

 [The writer concludes his study of the subject. He finds that the vacuoles 

 of the cells are in most cases pseudovacuoles.) 



Centralbl. Bakt., xvii. (1906) pp. 345-9. 



Hone, D. S. — Some Western Helvellineae. (Descriptions of seven different forms 

 of this natural order of Discomvcetes.) 



Postelsia, 1906, p. 237. See also Bot. Centralbl., civ. (1907) p. 17. 



Jacobasch, E. — Verpa Brebissonii Gillet, ein Burger Thuringens. (Verpa Bre- 

 bissioni Gillet, an inhabitant of Thuringia.) 



[A rather rare fungus, now for the first time recorded for Germany.] 



Mitt. Thur. Bot. Neue Folge, H xxi. (1906) pp. 51-3. 

 See also Bot. Centralbl, civ. (1907) p. 71. 



Kauppman, C. H. — The Genus Cortinarius, with Key to the Species. 



[Considerable stress is laid on the size of the spores.] 



Jouni. Mijcol., xiii. (1907) pp. 32-9. 



Kraft, E. — Ueber das Mutterkorn. (On Ergot.) 



[An account of the substances contained in Claviceps piirp^irea.'] 



Arch, der Phann., ccxliv. (1906) pp. 336-59. 

 See also Bot. Centralbl., civ. (1907) p. 18. 



Regensburgen, Paul — Vergleichende Untersuchungen an drei obergarigen 

 Arten von Bierhefe. (Comparative researches on three species of beer yeasts.) 



Centralbl. Bakt., xvi. (1906) pp. 438-81 (3 pis., 8 figs.) 



Rehm, H. — Zum Studium der Pyrenomyceten Deutschlands, Deutsch-Oesterreichs, 

 und der Schweiz. (Study of the Pyrenomycetes of Germany, 

 German Austria, and Switzerland.) 



[The author deals with the Melogrammacese and the Melan- 

 coniacese.] Ann. Mycol., iv. (1906) pp. 471-82. 



„ ,, Beitrage zur Ascomyceten-Flora der Voralpen und Alpen. (Contribu- 

 tions to the Ascomycete flora of the Lower Alps and of the Alps.) 

 [A large number of new species are recorded.] 



Oesterr. bot. Zeitschr., Ivi. (Wien, 1906) pp. 291-8, 341-8. 



„ ,, Ascomyceten (Exsiccaten-Werk), Fasc. 37, Nos. 1650-75. 



[The larger number are Pyrenomycetes, several of them new 

 species.] Munich, 1906. See also Bot. Centralbl., 



cii. (1906) p. 639. 



BiCK — Fungi Austro-Americani, Fasc. v.-vi., Nos. 81-120. 



[Some new species are issued, also many interesting forms of Basidio- 

 mycetes and Ascomycetes.] Fieldkirch, 1906. See also Bot. Cen- 



tralbl., civ. (1907) pp. 49-50. 



BuFFiEUX, L.— Contribution a I'Etude de la Flore cryptogamique fribourgeoise. 



Les champignons observes dans le canton de Fribourg. (Contributions to the 



study of the cryptogamic flora of Fribourg. The fungi observed in the Canton.) 



Mi'ni. Soc. fribourg Sci. Nat. (Botanique), Fribourg, 1904, pp. 166-214. 



See also Bot. Centralbl., civ. (1907) p. 96. 



Saccardo, p. a. — Notae Mycologicse. 



[A number of new species and others belonging to the Pyrenomycetes and 

 Deuteromycetes are described and figured.] 



Ann. Mycol, iv. (1906) pp. 490-4. 



Speschnew, N. — Die Pilzlichen Parasiten des Reises (Oryza sativa). (The fungal 

 parasites of the Rice Plant.) 



[Forty-three species are recorded as parasites on leaves, stalks, flower, and 

 fruit.] Arb. bot. Gart. Tifiis, ix. (1906) pp. 23-73 (1 pi.). Russian. 



See also Bot. Centralbl., cii. (1906) pp. 611-12. 



