CONTENTS. XI 



PAGE 



BETTTLACE^ 252 



Betula Birch, 252 ; Alnus Alder, 253. 



SALICACE^E 253 



Salix Willow, 253 ; Populus Poplar, 254. 

 CONIFERS 255 



Abietineaj, 256 ; Pinus Pine, 256 ; Abies Spruce, 257 ; Larix Larch, 259 ; 

 Cupressineae, 260 ; Thuja Arbor Vitse, 260 ; Juniperus Juniper, 261 ; 

 Taxus Yew, 262. 



CLASS II. MONOCOTYLEDONOUS OB ENDOGENOUS PLANTS. 



ARACE^ 263 



Arissema Indian Turnip, 263 ; Symplocarpus Skunk Cabbage, 264 ; Acorus 



Sweet Flag, 264. 

 ALISMACE^E 265 



Alisma Water Plantain, 265 

 ORCHIDACE.E 266 



Corallorhiza Coral-Root, 266 ; Cypripedium Lady's Slipper, 266. 

 ILEMODORACE.E 269 



Aletris Star-Grass, 269. 

 IRIDACE^E , . . 270 



Iris-Blue Flag, 270. 



LlLIACE/E 272 



Trillium Three-leaved Nightshade, 272 ; Veratrum False Hellebore, 273 ; 

 Chamcelirium Devil's Bit, 274 ; Convallaria Lily of the Valley, 275 ; 

 Polygonatum Solomon's Seal, 275; Erythronium Dog's-Tooth Violet, 

 276. 



CRYPTOGAMOUS OE FLOWERLESS PLANTS. 



FILICES FERNS 277 



Polypodium Polypody, 277 ; Adiantum Maidenhair, 277 ; Pteris Brake, 

 278 ; Asplenium Spleenwort, 278 ; Scolopendrium Hart's-Tongue, 279 ; 

 Aspidium Shield-Fern, 279 ; Osmunda Flowering Fern, 280. 



LYCOPODIACE^E 283 



Lycopodium Club-Moss, 283. 



