FERMENTATION — 1?A< TI<:in<)L<>(i Y. 1 1 1} 



climate, i>hyHi(),a;rapliy, ami vofrotatioii of tlu> islands in the vicinity of tlic l^clta of 

 the Mississipiii, and is esi^'cially concerned with a comparison of the ecolojjical con- 

 ditions in this reifion and that recently reporti'd for Ocracoke Island, North Carolina 

 (E. S. K., 12, j>. 720). The islands of the Delta re-jion are comjxised of sand, innck- 

 mar.<h, and what are called niud-himps. These have distinctive strand formations 

 which are described in some detail. 



The grasses in Elliott's "Sketch of the botany of South Carolina and 

 Georg-ia," F. La.msox-Sckibnek {U. S. Jkpt. Aijr., Dirislon of Agroslo/ot/i/ ('it-r. ;.'.')^ 

 pp. 1.', ttfjs. 4). — Notes are given, ba.sed upon a careful examination of the collection 

 U])on which the descriptions of the grasses of Elliott's Sketch of the Botany of 

 Sout h Carolina and Georgia, which appeared in 1S17, was l)ased. These specimens 

 are well jjreserved in the herbarium of the College of Charleston, South Carolina, 

 and furnish the basis for a critical study of some of the less known grasses of that 

 region. 



New or little known grasses, F. L.vmsox-Scribner ( ('. S. Depi. Agr., THvlsion of 

 Agrndologij Clrc. 30, pp. 8). — Descriptions are given of a number of new or little 

 known species of grasses which have been received by the Division from various 

 sources, principally California, Mexico, and the region from the Rocky Mountains 

 westward. A nund^er of new species are described and new names given others. • 



Bermuda grass, A. S. Hitchcock ( U. S. Dejit. Agr., Diri.vo)i of Agro.^to/ogy Circ. 

 31, jip. 6, figs. J). — The economic distribution of Bermuda grass is given, and 

 different forms of the grass are described. Its value as a pasture and hay grass is 

 shown, as well as for soil binding and lawns. Means are suggested for its eradica- 

 tion, which may be done by proper cultivation and growing of shading crops, 

 esjiecially cowpeas, on the land. 



Monograph of the North American TJmbelliferae, J. M. Coulter and J. N. 

 Rose ( U. S. Dcjit. Agr., Division of Botany, ContrilMions from the U. S. National 

 Ilerharinm, vol. 7, No. 1, j^P- 256, pU. 9, figs. 65). — A revision is given of the genera 

 and species of the North American Umbelliferfe. 



Studies of American fungi: Mushrooms, edible, poisonous, etc., G. F. 

 Atkinson- (Ithaca, N. Y.: Andrns ct" Church, IDoo, pp. -215, figs. 2J.i). — The author 

 describes and illustrates with natural-size figures all the more important agarics 

 found in the United States, and also genera and species of other orders of higher 

 fmigi, including many of the edible forms. An analytical key, glossary of technical 

 terms, indexes of genera, species, and illustrations are given; and also chapters as 

 follows: Recipes for cooking mushrooms, Sarah T. Rorer; Cliemistry and toxicology 

 of mushrooms, .1. F. Clark; Structural characters of mushrooms, II. Ilasselin-ing. 



Mushrooms or toadstools, L. P. Henderson (Idaho Sta. Bid. 27, pjt. 27-6-}, 

 ])ls. 12). — Descriptions are given of a number of the more common mushi-ooms, and 

 directions for their identification. Notes are given upon the value of mushrooms as 

 food, and a number of recipes for preparing them for the table, taken from various 

 sources, conclude the bulletin. 



Edible and poisonous mushrooms and toadstools, W. TREr.E.\sE (Reprint from 

 Missouri State Ilort. Soc. Rpt. 1001, pp. IS, figs. 1). 



Studies on the influence of medium on the polymorphism of fungi, J. 

 Beai'VEKIE (Etudes siir Ic jiobjntorphisnie des ilianipigiioiis; iiijliicncc da iiidicii. Thesis, 

 Lgon, 1900, pp. 269). 



FERMENTATION —BACTERIOLOGY. 



Investigations on» acetic-acid bacteria, E. C. Hansen (Compt. Rend. Trnrau.c 

 Lai,. Carislicrg, 5 (I'.ioo), No. /, pj,. .>'.'y--/o'). — Investigations are given on the limit^sof 

 vitality and variations <jf .'i speciis of acetifying liacteria. The author found that 

 Bacterium uceli in beer fermente<l at low temperature (hiere Ixtsse ile garde) remained 



