280 



INDEX 



Fungi, rusts, 195. 



sap-rots, 191. 



saprophytic, 191. 



sulfur polyporus, 190, 192.* 



sycamore leaf blight, 197. 



wood-destroying, 187. 

 Fungicide, 195. 

 Fungicides, 205, 207. 

 Fungous diseases, 186197, see Fungi. 

 Fungous growths, 134. 



Garretson, Justice, 150. 

 Gasoline sprayers, 210,* 211. 

 Gas, illuminating, damages for trees 

 killed by, 145, 146. 



effect of, 140, 142. 



injuries by, 141.* 



leaks, how to detect, 143. 



symptoms of poisoning, 142, 143. 

 Gas-mains, how to lay, 144, 144,* 145. 

 Gases, injurious, in air, 138. 

 Gingko, 52,* 53, 54, 74. 



street of, 52.* 

 Gingko biloba, 53. 

 Guards, 97,* 232. 



injuries for lack of, 156.* 



necessity for, 157, 158. 



wire, 94,* 96. 

 Gum, 134. 



sweet gum, 52,* 54, 74, 92. 



top-pruning of sweet gum, 89, 90. 

 Gutter, tree planting in, 66, 151.* 

 Gipsy moth, 41, 160, 166, 167. 



life history of, 165.* 

 Girdling by band, 226. 

 Glen Ridge, N. J., trees need pruning, 



113* 



Glcesporium nervisequum, 197. 

 Grade, changing of, 153, 154, 155. 



trees saved, 156.* 



well around tree, 153.* 

 Grafting, bridge, 219, 219.* 



wax, 219.. 

 Grills, 96, 97,* 98, 199. 



method of placing 98, 98.* 



Growth, essentials for normal, 105. 



in diameter, 104, 105. 



in height, 104. 



in height, shown on horse-chestnut 

 twig, 103.* 



rapidity of, 28, 30. 



seedling, 102. 

 Guard, large tree, 94.* 

 Guard -rolling machine, 103.* 

 Guarding, 96, 231. 



East Orange, 94,* 96. 



Hackberry, 30, 51, 52,* 74. 



Harrisburg, 243. 



Hartford, Conn., 236. 



Heading back old trees, 126,* 127, 



127,* 128, 129. 

 Heeling-in, 83,* 89. 

 Hemlock, 190. * 



Hicoria pecan, 60. 

 Hickory, 134, 189. 



bark borer, 186. 



shagbark, 46. 



Horse-chestnut, 30, 42, 43,* 44, 74, 

 166, 200. 



leaf spot, 192,* 196. 



winter twig, 103.* 

 Hopalopilus gilvus, 192,* 193. 

 Hose for spraying, 212, 213. 

 Humus, in soil, 63. 



on forest floor, 137. 

 Hydnum septentrionale, 188,* 191. 

 Hyphae, 187, 189. 

 Hyphantria cunea, 168. 



Illinois, case in Supreme Court, 242. 

 Insect pests, 159-186. 



bag worm, 169,* 170. 



bark borers, 183,* 186. 



borers, 181. 



brown tail moth, 165,* 167. 



cottony maple scale, 175, 176.* 



elm -leaf beetle, 171, 172.* 



fall web worm, 168, 169.* 



gipsy moth, 165,* 166. 



