BOTANY. 75 



Notices occurrence of Exoascus Pruni, the upper portions of twigs 

 of Prunus Americana and on the same both of Monilia fructigenum, Pass- 

 and Phyllosticta prunicola, Sacc. 



Apple Scab (Fusicladium dentriticutn), by Miss Freda Detmers, in 

 Bulletin of the Ohio Agricultural Experiment Station, Sec. Ser. Vol. IV, 

 No. 9, December, 1891, p. 187. 



An account covering three pages, including general remarks, external 

 characters and effect on host, and " microscopical characters." 



On the Occurrence of Certain Western Plants at Columbus, Ohio, by 

 Aug. D. Selby Proceedings of the Indiana Academy of Science,' 1891, 

 Terre Haute, 1892, p. 74. 



Mentions the blending in central Ohio of eastern and western 

 spec es of plants and notices presence of "distinctly western and south- 

 western plants, introduced by wholesale, as it were," giving twenty such 

 species as found on Sell Brothers' circus grounds at Columbus. 



Variations and Intermediate Forms of Certain Asters, by W. C. 

 Werner. Journal of the Cincinnati Society of Natural History, Vol. IV. 

 No. 1, April, 1892, p. 55. 



The variations of the species noticed in northern and Central Ohio 

 are Aster Shortii, A. undulatus; A. cordifolius; A. saggittifolius; A. 

 Lindleyanus. 



A Fungous Enemy of Plant Lice {Empusa Aphidis), by Miss Freda 

 Detmers. Journal of the Columbus Horticultural Society, Vol. VII, 

 No. 1, March, 1892, p. 121. 



Notices occurrence of Empusa Aphidis in greenhouse on various 

 species of plant lice, as Phorodon mahaleb, Aphis mali, Aphis on 

 chrysanthemum. 



Some Fungous Pests of Greenhouse Plants, by W. A. Kellerman. 

 Journal of the Columbus Horticultural Society, Vol. VII, No. 1. March, 

 1892, p. 20. 



Describes two fungous diseases, carnation rust, (Uromyces carophyl- 

 linus TSchrank] Schroet.) and "damping off;" specimens of the former 

 exhibited, now occurring in Ohio. 



Catalogue of the Phanerogams and Ferns of Licking County, Ohio- 

 by Herbert L- Jones, in Bulletin of the Scientific Laboratories of 

 Denison University, Vol. VII, pp. 4-103, March, 1892. 



On pages 4 to 11 inclusive are given the Introduction, Herbaria, 

 Geology of Licking county, Altitude of different points, rainfall, temper- 

 ature, etc., a list of the worst weeds, times of flowering, trees, locations 

 of special botanical interest, forms of certain species, nomenclature and 



