Chapter II: United States Department of Agriculture

Farmers' Bulletin No. 332. Nuts and Their Uses as Food.
" " No. 188. Weeds Used in Medicine.
" " No. 252. Maple Sugar and Sirup.
Plant Industry Bulletin No. 107. Root Drugs. Price 15c.

Vermont Agricultural Experiment Station Bulletin No. 105. Maple
Sap Flow.

Vermont Experiment Station Bulletin No. 26. Maple Sugar.

Practical Forestry. Gifford. D. Appleton & Co.

Mushrooms, Edible and Otherwise. Hard. Mushroom Publishing Co.,
Columbus, O.