{MACKAY] BIBLIOGRAPHY OF CANADIAN BOTANY 133 
GRIGNON, W. 
“Le Topinambour.” (The general character of Helianthus tuberosus, 
its cultivation and virtues). Le Nat. Can. XXXVII: 168-173. May 
1911, Quebec. 
Güssow, H. T. 
“Observations on the Parasitism of Isaria farinosa (Dicks.) Fr. with special 
reference to the Larch Sawfly (Nematus erichsonii Hartig). Trans.R.S.C., 
Sect. IV., 1910, pp. 95-99. Ottawa, 1911. 
Gussow, H. T. 
“Report of the Dominion Botanist for 1910.” Experimental Farms 
Report pp. 251-284. Ottawa, 1911. 
Gussow, H. T. 
“Plants Causing Skin Irritation.”’ (Primula obconica, Nettles, Poison 
Ivy, etc.) Ott. Nat. XXV: 112-113. 14 Nov. 1911, Ottawa. 
Gussow, H. T. 
“The Nature of Parasitic Fungi and their influence upon the Host Plant.”’ 
(A popular sketch). Ott. Nat. X XV: 130-137. 16 Dec. 1911, Ottawa. 
HAS Gry Oe 
“Flowering Plants and Trees of Rockwood Park” (near Saint John City, 
New Brunswick). Bull. Nat. Hist. Soc. of N. B. VI: 342-344. 1911. 
Saint John. 
HAS CU: 
“Report of Botany Committee.” (By the Chairman Natural History 
Society of New Brunswick). Bull. Nat. Hist. Soc. of N. B., VI: 361-362. 
1911, Saint John. 
Hewitt, C. GORDON. | 
“Conservation, or the Protection of Nature.” (Refers to conservation of 
forests and fertility of soil). Ott. Nat. XXIV: 209-221. 11 Feb. 1911, 
Ottawa. 
Hewitt, C. GORDON. 
“Report of the Dominion Entomologist for 1910.” (References to 
trees, plants, etc. attacked by insects). Exper. Farms Report pp. 223-250. 
Ottawa, 1911. 
“Meeting of Botanical Branch.” of the Ottawa Field-Naturalists’ Club), 
Ott. Nat. XXV: 16-18, and 32-36. 25 Apr. 1911, Ottawa. 
Hit, A, J. 
“Notes on some of the principal mosses of the coast region of British 
Columbia.” Bryologist XIV: 103-106. Nov. 1911, New York. 
Howe, J. H. Jr. 
“The Genus Ævernia as represented in North and Middle America.” 
Bot. Gazette LI: 431-442, pl. 24, 25. June, 1911, Chicago. 
