84 PROCEEDINGS OF THE AMERICAN ACADEMY 



long (two to six inches) and erect, the three or four upper ones 

 staminate and either aggregated or scattered, the others pistillate, 

 sessile, or the lower short-stalked : perigynium ovate or elliptic, flat, 

 pale, usually sprinkled with ferruginous dots, nerveless or nearly so, 

 smooth, ending abruptly in a short and straight entire beak, broader 

 and either longer or shorter than the narrow white-ribbed acute scale. 

 — A stouter plant than C. laciniata, with broader leaves which are 

 very conspicuously serrate, shorter bracts which clasp the bases of the 

 spikes, larger spikes, the staminate more numerous, the perigynia pale 

 and the scales not aristate. — S. Arizona, Xemmow 2901, 2902, also 

 coll. of 1880. 



71. Carex Jamesii, Torrey, Monogr. 398. 



Bears the name of Dr. E. James, botanist to Long's Exploring 

 Expedition. — Colorado, Utah, Nebraska, and Oregon, and probably 

 Brewer 1970 from Silver Valley, California. 



Var. Nebraskensis, Bailey, Carex Cat. Suppl. 

 G. Nebraskensis, Dewey, Sill. Journ. xviii. 102. 



Colorado and Utah and southward. 



72. Carex aquatilis, Wahl. Kongl. Acad. Handl. xxiv. 165. 

 From New England across the continent and northward. 

 Var. epigeios, Loestadius, Vet. Ac. Handl. 1822, 339. 



C. borealis, Lang, Syll. 398. 

 C. anyiiillata, Drej. Rev. Crit. Car. 36. 

 C. starts^ Drej. I.e. 40. 



C. aquatilis, var. sphagnophila, Anderss. Cyp. Scand. 46. 

 C aquatilis, var. minor, Boott, 111. 163. 

 From Colorado to the Arctic Coast and Greenland. 



73. Carex stricta, Lamarck, Diet, de Bot. iii. 387. 



C. acuta, Muhl, Descr. Gram. 263 ; Torr. 



C. Virginiana, Smith, Rees' Cycl. vii. sp. 100. 



G. stricta, Dewey, Sill. Journ. x. 269. 



G. commutata, Gay, Ann. Sci. Nat. 2d ser. xi. 198. 



G. ongustata, Boott, Hook. Fl. Bor.-Am. ii. 218. 



G. strictior, Dewey, Wood's CI. Book, 755. 



G. Watsoniana and G. Kelvingtoniana, Steudel, Cyper. Plant. 215. 



G. xerocarpa, S. H. Wright, Sill. Journ. 2d ser. xlii. 334. 



G. Virginiana, var. elongata, Boeckeler, Linntea, xl. 432. 

 Immensely variable. — New England to Georgia and across the 

 continent to California ; Texas, Wright. Specimens from British 

 Columbia, Macoun, are probably to be referred here. 



