170 



QUARTERLY BULLETIN. DECEMBER, 1889. 



Journal of Mycology, Vol. V, No. 4 (pp. 181-249), (plates 2). — 

 This contains papers on the history and development of the Pyre- 

 noniycetes; the Erysiphece of Montana; root fungus of New Zealand; 

 Pei'onofiporea> for 1889 in New Jersey; prevalence of Ergot in 1889; 

 treatment of black rot of the grape and of apple scab; Erysiplieae, 

 upon Phytoptus distortions; miscellaneous notes; reviews of recent 

 literature ; and indexes for Volume V of the Journal. 



BULLETIN No. 10. 

 Report ox experiments made in 1888 in the treatment or 



DOAVNY IMILDEW AND BLACK ROT OF THE GRAPE-VINE (pp. 61), 



(plates 2). — This embraces the reports of the special agents of the 

 section, who conducted experiments under direction of the chief. It 

 contains an account of the first successful treatment of black rot, a 

 disease which has ravaged the vineyards of the country for more 

 than forty years. 



CIRCULAR No. 7, AUGUST, 1889. 



Grape-vine diseases, B. T. Galloway (pp. 4). — A popular ac- 

 count of the downy mildew, brown and gray rot, powdery mildew, 

 anthracnose, bitter rot, black rot and white rot, designed es])ecially 

 to aid in identifying these diseases. 



CIRCULAR No. 8. SEPTEMBER, 1889. 



Experiments in the treatment of pear-leaf blight and ap- 

 ple POWDERY mildew, B. T. Galloway (pp. 11), (figs. 2). — This 

 contains (1) accounts of the treatment of 500,000 pear seedlings for 

 leaf blight with the Bordeaux mixture, containing 6 pounds of sul- 

 phate of copper and 4 pounds of lime to 22 gallons of water. Five 

 applications, made at a total cost of $22, resulted in the entire free- 

 dom of the treated trees from blight, while those untreated blighted 

 badly. (2) Accounts are also given of the treatment of 400,000 

 apjjle seedlings for apple powdeiy mildew. Six applications of an 

 ammoniacal solution of sulphate of copper were made at a cost of 

 $30.80. There was practically no 3uildew on the treated trees, while 

 those not treated were considerably injured. 



