List of Illustrations. 



The mark * * * which appears in the list designates the plates that are pro- 

 duced in colour. The number of the page given for each of these coloured 

 plates is that of the printed pagQ/aced by the coloured plate in each case. 



PLATE. PAGE. 



I. WATER-ARUM. Calla pahistris, . 



II. GOLDEN CLUB. Orontium aguaticum, 



III. YELLOW POND-LILY. NymphcBa advena, 



IV. YELLOW NELUMBO. Nelumlw lutea, 



V. COMMON WHITE WATER CROWFOOT. Batrachiumtrichophyllum, 

 YELLOW WATER CROWFOOT. Ranuticulns delphini/olius^ 



VI. WATER HEMLOCK. Cictita maculata, . 



VII. WATER-HYACINTH. Piaropus crassipes, 



VIII. COMMON BLADDERWORT. Utricularia vulgaris^ 



IX. ARROW-HEAD. Sagittaria lati/olia, 



X. WATER-PLANTAIN. Alisma Plantago-aquatica^ 



XI. AMPHIBIOUS KNOTWEED. Polygonum amphibium^ 

 XII. FLOATING-HEART. Limnanthejnum lacunosunt^ 



XIII. AMERICAN CRINUM. Crinutn Americanum^ 



XIV. SWAMP PINK. Helonias bullata, . 

 XV. PITCHER-PLANT. Sarracenia purpurea^ 



XVI. MARSH MARIGOLD. Caltha palustriSy 



XVII. GOLDTHREAD. Coptis tri/olta, . 



XVIII. SWAMP ROSE, ^^sa Carolina, 



XIX. LIZARD'S TAIL. Saururus cernuus, 



XX. WILD HONEYSUCKLE. Azalea nudiflora, 



XXI. WHITE SWAMP HONEYSUCKLE. Azalea viscosa, 

 XXII. AMERICAN CRANBERRY. Oxycoccus macrocarpus. 



