120 MIDDLESEX FLORA. 



C. bromoides, Schk. 



Medford (C. E. Perkins) ; Belmout (Wm. Boott). 

 C. Deweyana, Schw. 



Concord (E. S. Hoar; specimen in herb. of). 

 •C. siccata, Dew. 



Lowell, Groton, Newton, Arlington, et al. Not uncommon. 

 C. tribuloides, Wahl. (C lagopodioides, Schk., Man.) 



Common. 

 C. tribuloides, Wahl., var. cristata, Bailey, (C. cristata, Schw., 



Man.) 



Ashland and Xatick (Rev. Thos. Morong) ; Belmont (Wm. Boott). 



Specimen in the Boott Herb. 



C. tribuloides, Wahl., var. reducta, Bailey. 

 Waverly (L. H, Bailey, Jr. ; specimen in herb. of). 

 " Culm slender, especially above, where it surpasses the long- 

 pointed and lax leaves: spikes two to ten, small, nearly globular 

 (usually less than three lines in diameter), all distinct, the lowest 

 separated, mostly bright straw or rust color, the points of the spread- 

 ing perigynium conspicuous." Bailey, Prel. Syn. N. A. Carices. 



C. scoparia, Schk. 

 Common. 



C. adusta, Boott. 

 Ashland, abundant (Rev. Thos. Morong) ; Maiden, Medford and 

 Newton (Wm. Boott). Specimen in the Boott Herb. 



C. straminea, Schk. (including vars. festucacea, Boott, hyalina 

 and typica, Gray, and C. fa3nea, var. (?) ferruginea. Gray, Man.) 

 Common. 



C. straminea, Schk., var. mirabilis, Tuck. (C. cristata, var. 



mirabilis, Gray, Man.) 



Wilmington (F. S. Collins) ; Cambridge (L. H. Bailey, Jr.) ; 



Medford, common (Wm. Boott) ; Acton (Walter Deane). 

 C. straminea, Schk., var. alata, Bailey, (C. alata, Torr., Man.) 



Chelmsford (Dr. C. W. Swan) ; Cambridge (Walter Deane) ; Ash- 

 land (Rev, Tlios. Morong). Not common. 

 C. straminea, Schk., var. fcBnea, Torr. (C. fcenea, Willd., 



Man.) 



Maiden, Medford and Stoneham (Wm. Boott). 

 C. straminea, Schk., var. moniliformis, Tuck. (C. foenea, 



Willd., var. (?) sabulonum, Gray, Man.) 



Maiden (F. S. Collins). 

 C. straminea, Schk., var. aperta, Boott. 



Cambridge, common (L. H. Bailey, Jr.); Watertown (C. E. 



Perkins) ; Arlington (F. S. Collins) ; Medford (Wm. Boott). 



