MIDDLESEX FLORA. 



NYMPH^ACEy^. WATER-LILY FAMILY. 



Beasenia, Schreb. 



B. peltata, Pursh. Water-Shield. 

 Common. July-Aug. 



Nelumbium, Juss. 



N. luteum, Willd. Yellow Nelumbo. Water Chinquepin. 

 Concord River, Concord, (Walter Deane; specimen in herb. of). 

 July-Aug. Introduced from the South., 



JSTymph^a, Tourn. 



N. odorata, Ait. White Pond-Lily. 



Common. June-Aug. 

 *N. odorata, Ait. var. minor, Sims. 



Concord (H. S. Eichardson). 



NuPHAR, Smith. 



N. advena, Ait. Yellow Pond-Lily. Cow-Lily. 



Common. May-Aug. 

 N. Kalmianum, Ait. (N. luteum, Smith, var. pumilum; Man.) 



Smaller Cow-Lily. 



Walden Pond, Concord (J. L. Russell, Hovey's Mag. Vol. XXI) ; 



Sudbury (Bigelow's Fl. Bost.) ; Concord River, Tewksbury (C. W. 



Jenks). Not common. Aug.-Sept. 



SARRACENIACEv^, PITCHER-PLANT FAMILY. 



Sarracenia, Tourn. 



S. purpurea, L. Pitcher-Plant. Side-Saddle Flower. 

 Rather common. May-June. 



PAPAVERACEv^, POPPY FAMILY. 



Argemone, L. 



A. Mexicana, L. Mexican Poppy. 

 Cambridge ; occasional in waste-heaps, with a white variety (Walter 

 Deane ; specimen in herb, of.) July-Sept. Int. from tropical 

 America. 



