15 . 
Nymphaea, Tournefort. 
odorata, Ait. White Water-lily. 
Nuphar, Smith 
advena, Ait. Y-llow Water-lily. 
PAPAVERACEAE . The Poppy Family 
Stylophorum, Nuttall. Celandine. 
diphyllum, Nutt. (Meconopsis, De C.) S. 
Sanguinaria, Dillenius . Blood-root. 
Canadensis, Linn. 
FUMARIACEAE, The Fumatory Family 
Dicentra, Borkhausen. 
cucullaria, De C. Dutchman's Breeches 
Corydallis, Ventenat. 
aurea, Wind. 
Fumaria, Linnaeus. Fumatory.. 
officialis, Linn. Introduced. 
CRUCIFERAE. The Mustard Family 
Nasturtium, Robert Brown. Water-cress. 
Palustre, De C. 
lacustre, A. Gray. 
Iodanthus, Torrey and Gray. False Rocket. 
hesperidoides, T. and Gray. (Hespens pinnatifida, Michx.) 
Dentaria, Linnaeus. Toothwort. 
laciniata, Muhl.. 
Cardamine, Linnaeus. Bitter-cress. 
rhomboidea, De C. Spring-cress, 
hirsuta, Linn. 
Arabis, Linnaeus. Rock cress. 
Ludoviciana, Meyer. 
