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 page/<r^/ by the coloured plate in each case. 



PLATE. PAGE. 



I. WATER-ARUM. Calla palustris^ . . . ', * * * 20 



II. GOLDEN CLUB. Orontium aquatictim, * . . 23 



III. YELLOW POND-LILY. Nymphcea advena, . . 25 



IV. YELLOW NELUMBO. Nelumbo lutea^ . . . .' -. 27 



V. COMMON WHITE WATER CROWFOOT. Batrachiunttrichophyllum, 29 

 YELLOW WATER CROWFOOT. Ranunculus delphinifolius, ': . ' 29 



VI. WATER HEMLOCK. Cicuta maculata, . *J\ -; _ v . - . . 31 



VII. WATER-HYACINTH. Piaropus crassipes^ . .' * * * 32 



VIII. COMMON BLADDERWORT. Utricularia vulgaris^ . ,.".'"',.' 35 



IX. ARROW-HEAD. Sagittaria latifolia, . '.'', ' 37 



X. WATER-PLANTAIN. Alisma Plantago-aquatica, '"^" '."- 39 



XI. AMPHIBIOUS KNOTWEED. Polygonum amphibium, \'\'^.-- . 40 

 XII. FLOATING-HEART. Limnanthentum lacunosum^ <' '..-' . 42 



XIII. AMERICAN CRINUM. Crinum A mericanum, .' ' . . . * * * 44 



XIV. SWAMP PINK. Helonias bullata, ..... .' 45 



XV. PITCHER-PLANT. Sarracenfa purpurea, . * * * 46 



XVI. MARSH MARIGOLD. Caltha palustris^ . . . "'.-.' 49 

 XVII. GOLDTHREAD. Coptis trifolia^ '. ' . . : '. . -. ' ' . . 5 1 



XVIII. SWAMP ROSE. Rosa Carolina, . . . ... 52 



XIX. LIZARD'S TAIL. Saururus cernuus, . '.. i' . , . 54 



XX. WILD HONEYSUCKLE. Azalea nudiflora, , . *** Frontispiece. 



XXI. WHITE SWAMP HONEYSUCKLE. Azalea viscosa, . .' * * * 54 

 XXII. AMERICAN CRANBERRY. Oxycoccus macrocarpus, . .. . 58 



