116 MIDDLESEX FLORA. 



C. trichocarpa, Muhl. 



Concord (E. S. Hoar; specimen in herb, of) ; Ashland (Rev. Thos. 



Morong) . 

 C. riparia, W. Curtis. 



Maiden (H. A. Young) ; Medford (F. S. Collins) ; Concord Turn- 

 pike (Wm. Boott) ; Cambridge (L. H. Bailey, Jr.) 

 C. Buxbaumii, Wahl. 



Arlington, Chelmsford, Ashland, et al. Not very common. 

 C. vulgaris, Fries. 



Common. 

 C. aquatilis, Wahl. 



Concord (specimen in Thoreau Herb., jfaZe Walter Deane). 

 C. Stricta, Lam., (including C. stricta, var. strictior, and C. angus- 



tata, Boott, Man.) 



Very common. 

 C. stricta, Lam., var. decora, Bailey, (C. aperta, Boott, Man.) 



Cambridge (L. H. Bailey, Jr.) ; Melrose and Ashland (Rev. Thos. 



Morong) ; Concord (E. S. Hoar) ; Belmont and Winchester (Win. 



Boott) ; Hopkinton (F. S. Collins). 

 C. salina X stricta, Bailey, (C. spiculosa, Fries. ?, Wm. Boott, 



Bot. Gaz., IX., 88). 



Salt marshes, Medford and Arlington (Wm. Boott; Rev. Thos. 



Morong). 

 C. lenticularis, Michx. 



Lowell, banks of the Merrimack (Dr. C. W. Swan). 

 C. prasina, Wahl. (C. miliacea, Muhl., Man.) 



Medford (C. E. Perkins) ; Belmont and Arlington (Wm. Boott). 



C. salina, Wahl. 



Medford (Rev. Thos. Morong; Win. Boott); Arlington (F. S. 



Collins). 

 C. maritima, Mueller. 



Medford (Win. Boott) ; Cambridge (Man.) ; Arlington (Edwin 



Faxon ; specimen in herb, of) . Rare. 

 C. crinita, Lam. 



Common. 

 C. crinita, Lam., var. gynandra, Schw. & Torr. (C. gynandra, 



Schw., Man.) 



Ashby, Lowell and Framingham (Dr. C. W. Swan) ; Medford and 



Woburn (Wm. Boott) ; Concord (Horace Mann, 1862). 

 C. limosa, L. 



Long Pond, Tewksbury (Wm. Boott, specimen in the Boott Herb.) 

 C. virescens, Muhl. 



Common. 



