OF ARTS AND SCIENCES. 103 



123. Carex Assiniboinensis, W. Boott, Bot. Gaz. ix. 91. 



Very slender, two feet high : leaves narrow (a line broad), shorter 

 than the stem : staminate spike one, slender, with nearly linear scales : 

 pistillate spikes, or at least the lower ones, on thread-like long pe- 

 duncles, an inch or less long and very loosely flowered (flowers often 

 a half-inch apart) : perigynium few-ribbed towards the base, hairy, 

 gradually contracted into a very slender beak : scale white, awl- 

 shaped, about as long as the perigynium. — British America : Assini- 

 boine Rapids, Lake Manitoba, and Grand Valley, Macoun. 



C. Flexiles, Tuckerman, Enum. Metli. 13. Terminal spike all staminate except 

 in C. Krausei ; pistillate spikes rather thick (very small in C. capillaris and 

 C. Krausei), more or less drooping ; perigynium beaked, few-nerved or nerve- 

 less, tawny or whitish. 



124. Carex Cherokeensis, Schweinitz, An. Tab. 

 G. recurva, Muhl. Descr. Gram. 262. 



C. Ck}-isti/a?ia, Boott, Journ. Bost. Nat. Hist. Soc. v. 5. 



C. Brazasana, Steud. Cyper. Plant. 236. 

 Peculiar in bearing two or three spikes from one sheath. Transi- 

 tion to the Polystachya^. — " Banks of the Apalachicola River, 

 Florida, to the mountains of Georgia and westward," Chapman. 

 Georgia to Louisiana and Texas. Said by Dr. Boott to have been 

 collected at Santa Rosa Creek, Calif., by Dr. Thurber. Immature 

 specimens collected in California by Bigelow have been referred here. 



125. Carex flexilis, Rudge, Linn. Trans, vii. 98, t. 10. 

 C. blepharophora, Gray, Ann. N. Y. Lye. iii. 237. 



This species was founded upon Newfoundland specimens. — New- 

 foundland to Central and Northern New York, Salisbury, Conn., Herb., 

 to Lake Superior and N. Minnesota. Rare. 



126. Carex capillaris, Linn. Sp. PI. 977. 



C capillaris, var. elongata, Olney, Prel. Cat. Wheeler's PI. 53. 

 Greenland, Vahl, Newfoundland, La Pylaie, New Brunswick, Herb., 

 White Mts., Point de Tour, Lake Huron, W. Boott, Saskatchewan, 

 Bourgeaii, and on the mountains of Colorado, Utah, Wyoming, and 

 Montana. Europe. 



127. Carex Krausei, Boeckeler, Engler's Bot. Jahrb. vii. 279. 



" Plant bright green, cespitose, the roots capillary : culm five to 



was found by "Wright and others near our borders in Kamtschatka. The 

 pistillate spikes are one or two, and 1-6-flowered : perigynium round-obovate 

 below, very abruptly contracted into a cylindrical and slender deeply cut beak 

 as long as the body : leaves flat : a foot high. It has the aspect of C. Geyeri. 



