ZOOLOGY AND BOTANY, MICROSCOPY, ETC. 91 



fusispora, which probably will be met with on twigs. The rug was 

 watched until it was completely decayed. 



The Detection of Arsenic by Growth of Penicillium.* — W. 

 Hangman recapitulates the well-known facts as to detection of minute 

 quantities of arsenical compounds by cultures of Penicillium brevicaule 

 on the suspected substance, when a strong odour of garlic is given off 

 by the fungus. The author finds that a member of the Actinia?, 

 Aiptasia diaph&na possesses the same property, especially when it is 

 grown in symbiosis with yellow algal cells. 



Barbier— Agaricinees rares, critiques ou nouvelles de la Cote-d'Or. 

 [Critical notes on many species of the larger fungi.] 



Bull. Soc. Mycol. de France, xx. (1904) pp. 89-134 (1 pi.). 

 Brzezi^ski, J. — Einige Bemerkungen fiber die Krebs und die Gummikrankheit der 

 Obstbaume, and Erwiderung by Aderhold. 



[A correspondence between the two scientists as to the cause of canker iu fruit 

 trees.] Centralbl. Baht., xii. (1904) pp. 632-40. 



Bubak, Fr. — Neue order Kritische Pilze. 



[The fungi described here for the first time were collected in Bohemia. There 

 is one new genus, Diplozythia — probably the pycnidial form of Ophiobolus. 



Ann. Mycol., ii. (1904) pp. 395-401 (21 figs.). 



Bucholtz, Feodor — Bemerkung fiber das Vorkommen des Mutterkornes in dem 



Ostseeprovinzen Russlands. 



[Notes on the occurrence of species of Claviceps, with a list of the host-plants.} 



Correspondenzbbttt den Naturf.-Ver. Riga, xlvii. (1904) pp. 57-64. 



See also Centralbl. Baht., xcvi. (1904) p. 551. 



Carleton, M. A. — Investigations of Rusts. 



[Additions are made to the life-liistorv of some thirteen species of Uredinese.] 



U.S. Dept. Agric. Bull., lxiii. (1904) 27 pp. (2 pis.). 

 See also Bot. Centralbl., xcvi. (1904) p. 552. 

 Chrzaszez, T. — Zur Kenntniss des Hefewachstums in Mineralischer Nahrlosung. 

 [The influence of mineral salts on the growth of yeast.] 



Centralbl. Bald., xiii. (1904) pp. 144-9. 



Cohn, Erich — Ein Beitrag zum Vergleich der Kleinscben Hefe mit anderen 

 pathogenen Sprosspilzen. 



[The writer insists on the distinction between Klem's yeast and other organisms 

 with which it has been confounded.] 



Centralbl. Bakt., Orig., xxxvi. (1904) pp. 369-79. 



Crossland, Charles — Fungus Foray at Rokeby. 



[An account of fungi collected at Rokeby, in Yorkshire.] 



Naturalist, 1904, pp. 329-42. 



Cupino, L. — Un secondo contributo alia Flora Micologica della Provincia di 

 Napoli. 



[There are recorded 57 species. One of them, Phyllosticta 

 Mimusopis, is new.] 



Malpighia, xviii. (1904) pp. 546-52. 



„ „ Fungi magnagutiani. 



[A list of tungi collected by Count Magnaguti in the districts of 

 Manuta and Faenza.] Tom. cit., pp. 553-8. 



„ „ Pugillus cryptogomarum canadensium. 



[A list of cryptogamic plants collected in Western Canada by 

 Albert Hill, including a number of lichens. 



Tom. cit., pp. 559-62. 



* Beitr. Phys. und Path., v. (1904) p. 397. See also Ann. Mycol., ii. (1904). 

 pp. 471-2. 



