OF ARTS AND SCIENCES. 115 



A slender plant with narrower leaves than the type and mostly 

 compact spikes a half-inch long, the lower on filiform peduncles : 

 perigynium slender, mostly triangular-fusiform, the apex curved.— 

 Lancaster Co., Penn., Porter, to Florida and Texas. 

 Var. PATDLiFOLiA, Carey, Gray's Man. 2d ed. 524. 



C. plantaginea, Schkuhr, Riedgr. Nachtr. 65, f. 195 (excl. f. 70). 

 C. anceps, \^y. patulifolia, Dewey, Wood's Bot. 1845, 423. 

 C. laxijlora, var. plantaginea, Boott, 111. 37. 

 Radical leaves five to eight lines broad : spikes usually longer 

 and more loosely flowered than in the type : perigynium sometimes 

 straight. — New England to Pennsylvania and westward ; Alabama, 

 Beaumont. 



Var. INTERMEDIA, Boott, III. 37. 



C. heterosperma, Wahl. Kongl. Acad. Handl. xxiv. 151. 



a anceps, Muhl. ; Willd. Sp. PI. iv. 278 ; Schkuhr, Riedgr. 



Nachtr. 66, f. 128. 

 C. anceps, var. angustifoUa, Dewey, Wood's Bot. 1845, 423. 

 C. laxijlora, var. blanda gracillima, Boott, 111. 38. 

 Canada to Florida. 



Var. STRIATULA, Carey, Gray's Man. 2d ed. 524. 



G. conoidea, Muhl. Descr. Gram. 248. 



C. blanda, Dewey, Sill. Journ. x. 45. 



G. anceps, var. striatula, Carey, Gray's Man. 1848, 554, 



Var. hlanda, and sub-vars. major and minor, Boott, III. 37. 

 Leaves two to six lines broad. — Throughout the Northern States 

 east of the Mississippi and probably common southward ; also in New- 

 foundland, La Pylaie, N. W. Iowa, Gratty, Texas, Wright. Evidently 

 our commonest form. 



Var. LATiFOLiA, Boott, 111. 38. 



Acton, E. Massachusetts, W. Deane, to Pennsylvania and Michigan. 

 160. Carex Hendersoni. 



G. laxijlora, var. plantaginea, Olney, Proc. Amer. Acad. 1872 

 407 ; W. Boott, Bot. Calif, ii. 245. 



Distinguished at once from G laxijlora, var. patrdifolia, by its 

 large pengynmm (two and a half to two and three fourths lines long) 

 which IS more strongly nerved and more gradually contracted at the 

 ends, Its proportionally shorter, blunter, and firmer pistillate scales, 

 and Its more closely flowered, approximate, shorter-peduncled spikes 

 -Lower Frazer River, lat. 49°, Dr. Lyall ; Oregon, Hall 602, bogs 

 at Portland, L. F. Henderson, Multnomah Co., Howell, and probably 



