XIV LIST OF ILLUSTRATIONS. 



PAGE 



Letter N. Maple leaf . . . . . . .261 



J. Mountain Ash leaf 273 



E. Wild Service Tree leaf . . . .291 



H. Hornbeam leaf . . . < . .301 



G. Lombardy Poplar leaf . . . .315 



D. Hawthorn leaf 325 



M. Bramble leaf , . 335 



