120 Assembly 



Order CABOMBACE.E. The Water-Shield Tribe. 



Brasenia, Schreb. Water Shield. 



peltata, Pursh. Floating in still water. July. 



Order CERATOPHYLLACEiE. 



Ceratophyllum, L. Hornwort. 



echinatum, Gray. In ponds, or slow-flowing water. August. 



Order NELUMBIACE.E. 



Nelumbium, Juss. 



luteum, Willd. Great Yellow Water Lily. Sodus Bay, Lake 

 Ontario. Dr. Sartiuell. June. 



Order NYMPILEACEiE. The Water-Lily Tribe. 



Nymphjea, Tourn. White Water Lily. 



odorata, Ait, In water. June-September. 



Nuphar, Smith. Yellow Pond Lily. 



lutea. Var. Kalmiana, Torr. <§• Gr. N. Kalmiana, Pursh. In 



water. June, 



advena, Ait. Spatterdock. In water. June- August. 



Order SARRACENIACE.E. 



Sarracenia, L. Sidesaddle Flower. 

 purpurea, L. Swamps. May- June. 



Var. heterophylla. S. heterophylla, Eaton. Junius, Seneca 

 county. Dr. Sartwell. The flowers of this va- 

 riety are of a dull yellow colour, and the leaves 

 are somewhat different from those of the ordinary 

 form ; but the plant does not appear to be a dis- 

 tinct species. 



Order PAPAVERACEiE. The Poppy Tribe. 



Sanguinaria, L. Blood-root. 



canadensis, L. Open woods. March-ApriL 



