Algae. — Fungi, M^'^xomyceten , Pathologie. 649 



an interest in the subject during the summer holidays, The three 

 main groups are shortly defined , and certain common genera and 

 species are selected for special description. E. S. Gepp. 



Ewart, A. J., Notes on a Collection of Marine Algae from 

 King Island. (Victorian Naturalist. Vol. XXIII. N'\ 4. Aug. 1906. 

 p. 90—91.) 



The algae enumerated in this paper are 32 in number and were 

 coUected at King Island, Bass Strait by Mr. Sproug and named 

 by Mr. A. N. S. Lucas of Sydney. All the species have been pre- 

 viously recorded from the west, south or east coast of Aust'ralia or 

 from Tasmania, or from both. E. S. Gepp. 



GaFdner, N. L., Cytological Studies in the Cyanophyceae. (Uni- 

 versity of California Publications. Botany. Vol. IL p. 237—296. 

 Plates 21—26. 1906.) 



An investigation of a large number of representative genera led 

 to the following conclusions: The cell of the Cyanophyceae contains 

 a nucleus which in all species studied, except SynecJiocystis, divides 

 by amitosis. The various genera show an evolution of nuciear 

 structure from a simple type dividing by amitosis up to a highly 

 differentiated nucleus dividing by a primitive type of mitosis. Here- 

 ditar}' qualities are transmitted precisely, without the complicated 

 mechanism of mitosis. In Dennocarpa the nucleus divides amitotically 

 into a large number of daughter nuclei. There is no definitely or- 

 ganized chromatophore. The lack of sexuality does not affect the 

 amount of Variation, which is a great as in groups which have 

 sexual reproduction. Charles J. Chamberlain (Chicago). 



Hardy, A. D., The Freshwater Algae of Victoria. III. (Victo- 

 rian Naturalist. Vol. XXIII. N". 1, 2. May and June 1906. p. 18-22, 

 33—42.) 



The author in the present paper brings the record of te fresh- 

 water algae of Victoria up to date, with the exception of the Bacil- 

 larieae; and he publishes 4 new species as well as some new records 

 for Victoria. A number of Desmids are included, supplementary to 

 the list of 156 species and varieties already enumerated in the author's 

 previous account of the Victorian Desmidiaceae. The novelties are 

 described by G. S. West. They are Xanthidium gloriosiini , Cosnia- 

 ritim biretiforme j Monostrouia expansa and Oedogonhim victoriense. 

 A new zj^gospore is described for PletivotaenUmi ovatiim Nordst. , 

 var. tinnidiini Mash. Finally, a short list is given of ncAV localities 

 for 18 species of Desmids already recorded from Victoria 



E. S. Gepp. 



V 



Bubäk,F., Houby Ceske. Dil I. Rezy {Uredinales)[= Die V'xlze 

 Böhmens. I. Teil. Die Rostpilze iUredinales)]. (Archiv für die 

 naturwissenschaftliche Durchforschung Böhmens. XIII. N'^. 5. 226 



