62 PEOCEEDINGS OF THE AMERICAN ACADEMY 



spikes three or more, the staminate mostly one and commonly stalked, the 

 pistillate often sessile, usually short and thick, often becoming dark colored 

 in drying. — Mostly large and coarse species in meadows and bogs. 



* Plant green, in appearance muck like those of the last group, very slender ; peri- 



gynium needle-shaped with refiexed teeth, not inflated. 



3. Carex subulata, Michx. FI. Bor.-Am. ii. 173. 



G. ColUnsii, Nutt. Gen. N. Am. PI. ii. 205. 

 G. Michauxii, Dewey, Sill. Joum. x. 273. 

 Deep cedar swamps in sphagnum : Canada, Michaux ; Rhode 

 Island, Olney, to New Jersey, Bewey, Nuttall, Carey, Parker ; 

 Schuylkill Co., Penn., Porter; Fayetteville, N. Carolina, Curtis ; 

 Aiken, S. Carolina, Ganhy^ and Georgia, Neisler. Rare. 



* * Whole plant yellowish ; staminate spike sessile or nearly so ; pistillate spikes loosely 



flew flowered ; perigytiium long-lanceolate, more or less spreading at maturity, 

 somewhat turgid. 



4. Carex Michauxiana, Boeckeler, Linnsea, xli. 336. 



G. rostrata, Michx. Fl, Bor.-Am. ii. 173, not With. 

 G. xant/iophysa, vars. nana and minor, Dewey, Sill. Joum. xiv. 

 353, ff. 57, 58. 

 In cold bogs: Newfoundland, La Pylaie., to mountains of New 

 England and Eastern New York ; Northern Michigan, Porter. Local. 



5. Carex folliculata, Linn., Sp. Plant. 978. 



G. xanthophysa, Wahl. Kongl. Acad. Handl. xxiv. 152. 

 Scales, at least the lower ones, rough-awned and nearly as long as 

 the. perigynium. Leaves broad and flat. — Cold swamps : Newfound- 

 land, La Pylaie, to New England, New York, Pennsylvania, New 

 Jersey, Parker, and Michigan, Wheeler and Smith's Cat. 



Var. AUSTRALIS. 



G. floUiculata, Ell. Sk. Bot. ii. 545 ? Chapm. Fl. 544. 



G. flolliculata, ^, Boott, 111. 91. 



Plant much smaller and more slender, with narrower bracts and 



leaves ; pistillate spikes longer and looser ; perigynium much more 



slender, scarcely inflated, more spreading ; scales, at least all above 



the lowest, much shorter than the perigynium, muticous or slightly 



awned. — Florida and northward, Chapman; New Orleans, Herb.; 



St. Augustine, Florida, Canhy ; " dam^) pine land," Santee Canal, 



South Carolina, Ravenel. 



* * * Plant green ; staminate spike commonly stalked; pistillate spikes thick and 

 compactly flowered ; perigynium very turgid at base. 



6. Carex intumescens, Rudge, Linn. Trans, vii. 97, f. 3. 



C. folliculata, Wahl. Kongl. Acad. Ilaudl. xxiv. 152, fide Boott. 



