194 THE ROYAL SOCIETY OF CANADA 
Gussow, H. T. 
“The control of potato diseases.” (Mainly by spraying). Agr. Gaz. 
Can. II: 323, 324. Ottawa, April, 1915. 
Gussow, H. T. 
“Potato canker—Chrysophlyctis endobiotica—imported into Canada.” 
Dom. Canada Dept. Agr. Exp. Farms, Circ. I: 3, 4, May, 1912. 
Gussow, H. T. 
“Report from Division of Botany.” (Plant pathology, experimental 
work, economic botany, miscellaneous). Director Exper. Farms Rep., 
1914, pp. 829-849. Ottawa, 1915. 
Harrison, F. C. 
“Nitro-cultures and their commercial applications.’ (Tests of nitro. 
bacterial growths on Ashby’s agar, wood ash sugar, and dipotassium phos- 
phate agar, with the addition of saccharose, dextrin, maltose and man- 
nite). Roy. Soc. Can. III, Vol. IX (Sect. IV): pp. 219-223, 1915. 
Harrison, F. C. 
VANDERLECK, J. 
“A study of some organisms which produce black fields in Aesculin- 
bilesalt media.’””’ (From more than 1,000 milk dealers or producers of 
Quebec 9 plates each were made—3 aesculin-bilesaltagar, etc., from which 
bacterial colonies were selected for the identification of the colon-aerogenes). 
Roy. Soc. Can. III: Vol. IX. (Sect. IV): pp. 208-217, tables and 4 pl. of 
fies LOS: 
HENRY, J. K. 
“A hybrid rose.” (Rosa gymnocarpa Nutt, X R. nutkana Presl.) Ottawa 
Natt NI Sa) Och O15: 
HERIOT, W. 
“The Rosaceaé and Leguminosae of Galt, Ontario.’’ Ontario Nat. Sci. 
Bull. VII: 28-34. 1912. 
Hitcucock, A. S. 
“A text book of grasses.” (Includes Canadian species). i-xvii 1-276, 
f. 1-63 fron. New York. 1914. 
Howe, R. H. 
“A list of lichens collected in Newfoundland, with critical notes on the 
family Usneaceae.”’ Plant World XVII: 135-153. May, 1914. 
Howe, R. H. Jr. 
“The Usneas of the world, 1752-1914, with citations, type localities, orig- 
inal descriptions, and keys. Part II. South America.” Bryologist 
XVIII: 38-43. 15 June; 52-63.f.1I. 21 Sept., 1915. 
Howe, KR. H., Jr. 
“The genus Cetraria as represented in the United States and Canada.” 
Torreya XV: 213-230. f. 1-10. 4 Nov., 1915. 
