OP ARTS AND SCIENCES. 63 



Varies considerably in the size of the spikes. — Common in moist, 

 shady pastures and in swamps : Norway House, S. W. of Hudson's 

 Bay, about lat. 54°, Herb.; Newfoundland, La Pylaie ; throughout 

 the States east of the Mississippi. Evidently more common north- 

 ward. 



7. Carex Gratii, Carey, Sill. Journ. iv. 22. 



O. intumescens, var. globularis, Gray, Ann. N. Y. Lye. iii. 236. 

 Perigynia sometimes hispid (see Coult. Bot. Gaz. x. 295). — 

 Central New York to Central Michigan (common) and Illinois ; New 

 Jersey, Brinlon, Closter, Austin ; Rome, Georgia, Chapman. Rare 

 eastward. 



8. Carex lurida, Wahl. Kongl. Acad. Handl. xxiv. 153; Fl. Lapp. 

 250. 



O. lupuUna, Muhl. ; Willd. Sp. PI. iv. 266. 



C. Canadensis^ Dewey, Sill. Journ. 2d ser. xli. 229. 

 Very variable in the shape and size of the spikes. — Hudson's Bay, 

 Boott ; common in wet places in the Northern States east of the Missis- 

 sippi, rarer southward ; " deep river swamps, Florida and northward," 

 Chapman; Santee Canal, South Carolina, Ravenel ; Apalachicola, 

 Florida, Chapman ; Decatur, Alabama, J. D. Smith ; Limestone Gap, 

 Indian Terr., Butler ; Houston, Texas, Lindheimer. 



Var. DIVERGENS. 



C. Bella-villa., Dewey, Sill. Journ. 2d ser. xli. 229. 

 Plant more slender ; spikes scattered or remote, oblong or cylindri- 

 cal, much more loosely flowered, more or less staminate at the apex ; 

 perigynium more straw-colored, less turgid, slenderly beaked, diverging 

 at right angles ; scales longer, conspicuously awned. Much like C.fol- 

 licidata, from which it may be distinguished by habit, nari'ow leaves, 

 longer (1 inch or more) spikes, the upper of which are sessile. Pos- 

 sibly a hybrid with C . follicidata. — Belleville; Canada West, Macoun. 



Var. POLYSTACHYA. ' 



C. lupidina, var, polystachya, Schwein. & Torr. Monogr. 337. 



C glgantea, Kunth, Enum. PI. ii. 503. 



C. lupuliformis, Sartwell,.Exsicc. 147. 



C. Beyrichiana, Boeckeler, Linnoea, xli. 239. 

 Penn Yan and Jefferson Co., New York, Sartwell, Crawe, to 

 Connecticut, Wright, and New Jersey, Carey, etc., and Delaware, 

 Canhy ; Georgia, according to Boeckeler, I.e.; Red River, Louisiana, 

 Hale ; " Fort Smith to Rio Grande," Bigelow. Runs into the species 

 in Michigan and other central States. 



