298 Recent Literature. | ZOF 
rapidly diminishing in numbers in consequence of which the moc- 
casin snakes are increasing in Florida, and in Louisiana the musk- 
rats are multiplying ‘‘ and are doing much damage by burrowing 
in the levees along the Mississippi.” Special paragraphs are de- 
voted to egg-laying, nidification, the egg, and, lastly and more im- 
portant, the formation of the embryo, the external features alone 
being described. The value of the paper is enhanced by a com- 
parison of the development of the embryo of the alligator with the 
bird, Lacertilia, and Chelonia. A full bibliography of the subject 
concludes the account. Conar Ke 
Botanical Gazette, August, 1891.—A study of some anatomical 
characters of N. Am. Graminz, ii: Theo. Holm. Notes on Ure- 
dinez: J. C. Arthur. Sketch of the flora of Orono, Me.: F. L. 
Scribner. Notes on the pollination of Helianthus: Walter H. 
Evans. A new grass ( Melica ? multinervosa): George Vasey. A 
new Eriogynia ( £. Hendersoni): Wm. M. Canby. 
September.—The future of Systematic Botany: John M. Coulter. | 
Botanical papers at the Washington meeting of the A. A. A. S, 
Botanical Club of the A. A. A. S. Botanical Section of the Amer- 
ican Association of Agricultural Colleges and Experiment Stations: 
G. F. Atkinson. Oligonema (changing the preoccupied name to 
Golionema): Sereno Watson. 
October.—A study of some anatomical characters of North Am- 
erican Gramine, iii (with plates XXxlii-xxiv): Theo. Holm. On the 
structure and dimorphism of Aypocrea tuberiformis (with plate 
xxv): G. F, Atkinson. Notes on the flora of Canada: James M. 
Macoun. What the station botanists are doing: Byron D. Halsted. 
A neglected Spartina: George Vasey. 
Bull. Torrey Club, July, 1881.—Notes on North American Halo- 
rageze (A revision of the North American species of Hippuris; 
Callitricha, with one new species, C. longipedunculata, from San 
Diego; Proserpinaca and Myriophyllum): Thomas Morong. In- _ 
tra-carpellary Pistils and other Floral Derangements: Byron D. 
Halsted. Notes upon Epigzea repens: Byron D. Halsted. A Bo- 
tanical Excursion to Asateague Bay: H. H. Rusby. A Trip to 
Montauk Point, Long Island: Arthur Hollick. A Lichen ( Alec- 
toria cetrariza Nyl.) discovered by Thomas Howell at Tillamook, 
Oregon, new to the United States: John W. Eckfeldt. 
