416 
Rivers, Mr., on acclimatation, 32. 
Roads in plantations, 45. 
Robinia, or locust-tree, 396. 
Rocky ground, mode of planting, 59. » 
Roots, the necessity of their being fibrous, 
51, 68, 113. 
—— injured by drought, 6, 146. 
—— larch, when to avoid pruning them, 75. 
—— spread of, in pure sand, 103. 
Scotch Fir (see Pine-tree), 156. 
Sea-side planting, 93. 
—— in Norfolk, reported by Mr. Grigor of 
Norwich, 94. 
—— in Morayshire, at Culbin, 97. 
— loss sustained by sand-drift, 98. 
—— on sand-drift at Kincorth, 99. 
— —— on Moy estate, 101. 
— cost of formation, 102. 
value after twenty-four years, 106. 
—— on the coast of France, 107. 
—— on the west coast of Scotland, 108. 
—— pines adapted to adverse circumstances, 
110. 
—— on the configuration of the ground, 111. 
— the preparation of soil for, 111. . 
——time of planting, and screen-fences, 
plants, etc,-112. 
—— shrubs for underwood in, 116. 
Selecting nursery plants, 47. 
Service-tree, 375. 
Silver fir, common, propagation, 196. 
— its adaptation as underwood when 
young, 199. 
—— fine trees of, 200, 
——- curious formation on old roots of, 201. 
— Balm of Gilead, 201. 
—— other species, 204, 205. 
—— Gilpin on its appearance, 114, 
Soil, congenial, continues so for timber, 75. 
Spruce fir, 50, 187. 
INDEX. 
Spruce-fir, mode of growing the tree, 188. 
—— celébrated trees of, 189. 
—— rate of growth at Monymusk, 189. 
—— black and white American, 191, 192. 
—— Douglas’s, 193. 
—— hemlock, and Himalayan, 194, 195. 
Sycamore, or mock plane-tree, 344. 
Table showing the number of plants required 
to plant an acre from 1 to 30 feet apart, 47, 
Thinning, in nursery lines, 2. 
—— plantations, 81. 
—— examples of unskilful, 88. 
—— hardwood, 90, 91. 
Time to begin forest-planting, 15, 76. 
—— to plant wet, mossy, or peat land, 6. 
to plant evergreens, 18, 14. 
Thorn, the common hawthorn, 145, 383. 
—— its propagation and appearance, 384, 386. 
its varieties, 388. 
Trees which spring up after the fir is re- 
moved, 73. 
Walnut, common, 339. 
—— fine specimens in Morayshire, 341. 
black American, 342, 
Weak seeds produce weak plants, 83, 84, 
Wellingtonia gigantea, 252. 
—— in scenes of California, 252. 
—— ordinary growth of, in Scotland, 255. 
——— growth at Theydon Grove, 257. 
Wild plants that first appear in woods on 
sand, 104. 
Willow, best tree kinds, 115, 310, 
—— timber, 126, 313. 
—— dwarf and weeping sorts, 314. 
Yew-tree English, 150, 404. 
—— remarkable treeat Fountain Abbey, etc., 
407. 
—— Irish, 408. 
EDINBURGH : T. CONSTABLE, 
PRINTER TO THE QUEEN, AND TO THE UNIVERSITY. 
