118 MIDDLESEX FLORA. 



C. retrocurva, Dew. 

 Melrose and Medford (C. E. Perkins) ; Cambridge (L. H. Bailey, 

 Jr.) ; Concord (herb. Thoreau, fide Walter Deane) ; Belmont (Wm. 

 Boott). 



C. digitalis, Willd. 

 Cambridge (L. H. Bailey, Jr.) ; Belmont (Walter Deane) ; Maiden 

 and Medford (Wm. Boott); Wakefield (F. S. Collins). Not very 

 common. 



C. platyphylla, Carey. 

 Medford (C. E. Perkins) ; Cambridge (L. H. Bailey, Jr.) 



C. PANICEA, L. 



Cambridge and Concord (Walter Deane) ; Maiden and Melrose (H. 



A. Young) ; Watertown (L. H. Bailey, Jr.) ; Reading (C. E. 

 Perkins) ; Newton (Wm. Boott). Nat. from Eu. 



C. eburnea, Boott. 



Reading (W. H. Manning.) Rare. 

 C. pedunculata, Muhl. 



Woburn (Wm. Boott) ; Fresh Pond, Cambridge. Specimen in herb. 



B. S. N. H. 



C. Pennsylvanica, Lam. 



Very common. 

 C. varia, Muhl. 



Ashby (Dr. C. W. Swan) ; Melrose and Stoneham (H. A. Young) ; 



Medford (Wm. Boott) ; "var. B. minor. Maiden and Spot Pond," 



(herb. Wm. Boott). 



C. Emmonsii, Dew. 



Ashby and Waltham (Dr. C. W. Swan) ; Maiden (H. A. Young) ; 



Medford (C. E. Perkins) ; Wilmington and Melrose (F. S. Collins). 

 C. umbellata, Schk. 



Medford and Maiden (Wm. Boott). 

 C. PEiECOX, Jacq. 



Maiden (H. A. Young). Nat. from Eu. 

 C. Willdenovii, Schk. 



Melrose (Wm. Boott) ; Waltham list. Specimen in the Boott Herb. 

 C. polytrichioides, Muhl. 



Generally distributed. 

 C. stipata, Muhl. 



Common. 

 C. teretiuscula, Good. 



Winchester, Tewksbury, and Fresh Pond, Cambridge (Wm. Boott) ; 



Concord (E. S. Hoar;. Specimen in the Boott Herb. 

 C. vulpinoidea, Michx. 



Common. 



