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34 



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C, debilis. ' His specimens are labelled '* Basse Carolina ?*' The 

 sheet contains, aside from this species, specimens of C. laxiflora 

 var. striatiLla, Carey and C. prasina^ Wahl. His description was 

 drawn from the species in question. 

 ^ Var RUDGEI. 



C. temiis^ Rudge, Linn. Trans, vii, 97 t 9 (1804), v. s. Hb. 



Kens. 

 CJlexiiosay Muhl ; Willd. Sp. PI. iv. 297 (1805); Schk. 



Riedgn Nachtr. 74 f. 124 (1806). 



C. debilis^ authors; Boott, 111. t 2^2. 



The common Northern form. 



/ Var. STRICTIOR. 



Usually taller, strict ; leaves broader (about 2 Hues wide) and 



firmer; spikes stiffer, simply spreading or even erect; perigy- 



nium mostly shorter, and the scale often nearly as long as the 



perigynium. White Mountains, Faxoii, 



40 — Carex striata, Michx. Fl. Bor.-Am. ii. 174 (1803), v. s. 



Hb, Michx. ; Boott, 111. t. 151 (1858). 



Michaux had the Southern form, with hairy perlgynia. Caro- 

 lina to Florida. 



Var LREVis. 



C. striata, /i, Boott, 111. 57 {1858). 



Bracts shorter ; perigynium smooth and usually more abruptly 

 beaked ; scales less sharp. North Carolina to New Jersey.' 



41 — Carex triceps, Michx. FI. Bor.-Am. 11. 170 (1803), v. s. 



Hb. Michx. 



C. vindiila^ Schw. and Torn Monogr. 320 (1825) v. s. Hb. 



Schw. 



C, Bollia7ia, B«ckl. Flora, 1878, 40, teste Bceckl. in litt. 



Small and slender (6 to 12 in. high); leaves smooth or rarely 

 Sparsely hairy below; sheaths hairy or puberulent; spikes small 

 (a half inch or less long), contiguous and sessile; perigynium nar- 

 rowly ovate or cylindrical-obovate, ascending; pistillate scale 

 white-hyaline, the midnerve extended into a short and often hispid 

 awn; staminate scales white-hyaline and sharp. Carolina to Texas. 



Var. Smithii, Porter; Bailey, Bot. Gaz. xiii. Z% (1888). 



C. Carolinianay Schw. Ann. N. Y. Lye. Nat Hist, i, 6"] (1824) 

 V. s. Hb. Schw, 



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