CONTENTS. XI 



PAGE 



Betulace^e c 252 



Betula— Birch, 252 ; Alnus— Alder, 253. 



Salicace^e 253 



Salix— Willow, 253 ; Populus— Poplar, 254. 



CONIFERyE 255 



Abietinese, 25G ; Finus— Pine, 25G ; Abies— Spruce, 257; Larix— Larch, 259 ; 

 Cupressine;e, 2G0 ; Thuja — Arbor Vitae, 2G0 ; Juniperus — Juniper, 261 ; 

 Taxus— Yew, 262. 



CLASS II.— MONOCOTYLEDONOUS OR ENDOGENOUS PLANTS. 



Arace,e 263 



Arissema— Indian Turnip, 2G3 ; Symplocarpus— Skunk Cabbage, 2G4 ; Acorus 

 —Sweet Flag, 2G4. 



Alismace,e 2G5 



Alisma — Water Plantain, 2G5 



ORCHIDACE^E 266 



Corallorhiza — Coral-Root, 2G6 ; Cypripedium— Lady's Slipper, 26G. 



H.EMODORACE/E 2G9 



Aletris — Star-Grass, 269. 



iRIDACEiE 270 



Iris— Blue Flag, 270. 



Liliace^e 272 



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



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



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



276. 



CEYPTOGAMOUS OP 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 



Lycopodi urn— Club-Moss, 283. 



