OP ARTS AND SCIENCES. 149 



C. albolutescens, Olney, Exsicc. fasc. i. no. 8. 

 C. albolutescens, var. argyraatha, Olney, Exsicc. fasc. i. no. 9. 

 C. albolutescens, var. sparsijlora, Olney, Exsicc. fasc. v. no. 11. 

 C. adusta, var. argyrantha, Bailey, Carex Cat. 

 Maryland, Smith, to Lake Superior, Macoun. Not common. 

 Var. GLOiiERATA, Bailey, Carex Cat. ; Bot. Gaz. ix. 139. 



C. albolutescens, var. glomerata, Olney, Exsicc. fasc. v. no. 10. 

 Spikes few-flowered, aggregated into a loose mostly tawny head : 

 perigynium large, almost wingless, nearly filled by the large dark ache- 

 nium. — Mt. Desert, Maine, R. W. Greenleaf ; New Brunswick, Fow- 

 ler ; N. Minnesota, Bailey ; Saskatchewan, Herb. Ch^ay. 



283. Carex straminea, Schkuhr, Riedgr. 49, f. 34, and Nachtr, 23, 

 f. 174. 



C.festucacea, Willd. Sp. PL iv. 



O. straminea, var. brevior, Dewey, Sill. Journ. xi. 158. 



(7. straminea, var. minor, Dewey, 1. c. 318. 



C. straminea, var. Schkuhrii, Gay, Ann. Sci. Nat. x. 363. 



C. straminea, vars. intermedia nud feslucacea. Gay, 1. c. 364. 



C. straminea, va.r.festucacea,Tackevmax\, Enum. Meth. 18 ; Boott, 

 111. 120, t. 386. 



C. hyalina, Boott, Journ. Bost. Nat. Hist. Soc. v. 112. 



C. tetrastachys, Scheele, Linntea, xxii. 347. 



C festucacea, var. tenera, Carey, Gray's Man. 1848, 545. 



C tenera, Sartwell, Exsicc. no. 45, Carey, Olney, et al., not Dewey. 



G. straminea, var. tenera, Boott, 111. 1 20, t. 384 ; and vars. Crawei 

 and Meadii, Boott, 111. 121, tt. 388, 389. 



C.fcenea, var. /?, Boott, 111. 118, t. 376. 



G.fcenea, var. (J) ferruginea, Gray, Man. 5th ed. 580. 



G. straminea, var. hyalina, Gray, Man. 5th ed. 580. 



G. tenera, var. suberecta, Olney, Exsicc. fasc. ii. no. 16. 



G. straminea, var. typica, Gray, Man. 5th ed. 580. 



G. tenera, forma erecta, Olney, Exsicc. fasc. ii. no. 14. 

 Culm erect, one to two feet high, mostly stiff, much longer than the 

 erect long-pointed stem leaves : spikes three to eight, all distinct, 

 ovoid or globose, rusty or straw-colored, mostly approximated in an 

 erect head : perigynium orbicular or ovate-orbicular, often cordate at 

 the base, few-nerved, thin, very broadly winged, spreading, abruptly 



C. heptastachi/a, Boeckl., Linnfea, xxxix. 114, is probably from Meriila, Vene- 

 zuela, instead of Merida, Costa Rica, as recorded. ( Vide Henisl. Bot. Biol. 

 Cent.-Am. iii. 473.) 



