No. 2, September, 1920] MORPHOLOGY AND TAXONOMY OF FUNGI, ETC. 251 



under Astomum, Hymenostomum, and Weisia are so closely related that generic separation is 

 unwarranted; that the revival of Kleiowi isia is wholly needless; and I hat Tetraplerum should 

 not be included in Astomum. The understanding of the genus has been further obscured by 

 the inclusion of many unrelated tropienl :md south-temperate forms, as well as by careless 

 identifications. The genus, as here delimited, corresponds with Lindberg's Moliia, subgenus 

 Hymenostomum; it may be naturally divided into the three subgenera Astomum, Euhymeno- 

 stomum and Weisia. — E. B. Chamberlain. 



1918. Armitage, Eleanora. On the habitats and frequencies of some Madeira bryo- 

 phytes. Jour. Ecol. 6: 220-225. 1918.— See Bot. Absts. 4, Entry 274. 



1919. Douix, Cn. Le capitule du Marchantia polymorpha expliqu pare Leitgeb et ses dis- 

 ciples. [The receptacle of Marchantia polymorpha explained by Leitgeb and his disciples.] 

 Rev. Gen. Bot. 32: 57-71. 1920. — A criticism and refutation of the interpretation of Leitgeb 

 who held that growing points in the angles between the original 8 fused thalli (rays) grew into 

 additional archegonium-bearing thalli, which folded underneath and fused with the lower 

 surface of the receptacle. — L. W. Sharp. 



1920. Evans, Alexander W. The North American species of Asterella. Contrib. U. S. 

 Nation. Herb. 20: 247-312. 1920.— In this revision of the North American species of the liver- 

 wort genus Asterella Beauv. (including the Mexican and West Indian representatives) 15 

 species are recognized and very fully described, and the following new species and names occur: 

 Asterella saccata (Wahl.) Evans, A. venosa (Lehm. & Lind.) Evans, A. rugosa, A. reticulata, 

 and A. versicolor. Five species described by Stephani from Mexico are referred to a list of 

 doubtful species. The systematic treatment is preceded by a discussion of the nomenclature 

 of the genus, which is generally known in Europe under the name Fimbriaria, and by notes 

 on its morphological characters. — S. F. Blake. 



1921. Holzinger, John M. Dr. Correns's investigations and sterile mosses. Bryolo- 

 gist 23 : 27-28. 1920. — Few bryologists, when determining sterile material, seem to use the 

 keys given in the chapter upon Systematic Determinations in Correns's "Vermehrung der 

 Laubmoose durch Brutorgane und Stecklinge." Two examples of the usefulness of these 

 keys are given. — E. B. Chamberlain. 



1922. Ingham, W. Mosses and hepatics of the magnesium limestone of West Yorkshire 

 (continued). Rev. Bryologique 41 : 77-82. 1914. [Issued in 1919.]— See Bot, Absts. 4, Entry 

 340. 



1923. Schacke, Martha A. A chromosome difference between the sexes of Sphaerocarpos 

 texanus. Science 49: 218-219. 1919.— See Bot. Absts. 3, Entry 1034. 



1924. Watson, W. The bryophytes and lichens of fresh water. Jour. Ecol. 7: 71-83. 

 1919.— See Bot. Absts. 4, Entry 310. 



MORPHOLOGY AND TAXONOMY OF FUNGI, LICHENS, 

 BACTERIA AND MYXOMYCETES 



H. M. Fitzpatrick, Editor 



1925. Anonymous. Index to American mycological literature. Mycologia 12: 112-114. 

 1920. 



1926. Bal, S. N., and H. P. Chaudhury. Commentationes Mycologicae. 7. A short 

 study of Plicaria repanda (Wahl.) Rehm on Borassus flabellifer Linn. Jour. Dept. Sci. Cal- 

 cutta Univ. 2 : 35-36. 1 pi. 1920. — The authors record the occurrence of the fungus at Cal- 

 cutta, and give a short description. — Winfield Dudgeon. 



