25 



C. adiista, var. glornerata, Bailey, Troc. Amer. Acad. Arts 

 and Sci. xxii. 149 (1886). 



C. pingiiis, Bailey, Bull. 3, Geol. and Nat. Hist. Surv. Minn. 

 22 (1887.) 



Culm very stiff and stout (l i^ to 3 ft. high), longer than the 

 leaves; head dense and broad, strictly erect, of which at least 

 the lowest spike is subtended by a short and very broad-based, 

 nerved and pointed bract; spikes globose, never prominently 

 narrowed below ; perigynium short-ovate and very plump, nearly 

 filled by the large achenium, nearly or quite marginless, the in- 

 ner face flat or not conspicuously convex and nerveless or very 

 nearly so, the outer face very lightly nerved. In dense tufts; 



r 



Mt. Desert, Maine, Grceiilcafy New Brunswick, Fowler^ Craw- 

 ford Co., Michigan, Bailey, N. Minnesota, Bailey, and north- 

 westward. Rare in the United States. 



Carex adiista and C, f(^7iea^ Willd., are admirable illustra- 

 tions of the confusion into which some of our Carices have fallen. 



A 



Boott founded his C. adiista upon specimens from Cumberland 

 House, British America, and afterwards confounded with it the 

 plant of our Northeastern States which has passed for this species. 

 In restoring Boott's name to its original signification, the Carex 



adusta of all botanies and floras must change its name, and 



here C. foenea of Willdenow comes forward to add new perplexi- 

 ties: 



35. — Carex fcenea, Willd. Enum. PL Hort. Berol. 957 (1809), 



v. s. Hb. Willd. and Hb. Berol. (not authors). 

 C. ai^gyrantha, Tuckm. in Herb, distr. (1859), v. s. Hb. Gray.; 



Boott, 111. t. 382, f. 2. 

 C. adusta of authors in part. 

 €. albohitescens, Schw. var. ar-gyrantha, Olney, Exsicc. fasc. \. 



No. 9 (1871). 

 C, adtista^ var. argyrajitka, Bailey, Carex Cat. (1884). 

 Culm slender and often weak, (i to 2 ft. high); head long 

 and weak, often nodding; spikes five to eight, small and silvery- 

 green, much contracted below and alternately disposed ; perigy- 

 nium varying from ovate to long-ovate, thin, much longer than 

 the small achenium, prominently rough-margined, strongly 

 many-nerved on both sides ; bracts entirely wanting or vcr>^ in- 



