CYPERACEAE. 69 



2a. Scleria reticularis pubescens Britton. M. p. 187. .Moist meadows. 

 Summer. 

 Bucks— Tullytown (Sa.). 

 Gloucester— Near Mickleton (He.). 

 26. Scleria reticularis obscura Britton. M. p. 188. Moist meadows. 

 Summer. 

 Ocean— Forked River (He.). 



3. Scleria TorreyaNa Walp. M. p. 188. Moist soil. Summer. 



Bucks— Tullytown (Fr.). Montgomery— Willow Grove (VP.). Vela* 

 ware— Tinicum (Fu.). Lancaster— (P.). 

 Burlington— Batsto .(C). Ocean— Paint Hollow, Toms Eiver (C). 



4. Scleria pauciflora Muhl. M. p. 188. Dry soil. .Summer. 



Bucks— Durham, Ruth (Fr.). Montgomery— (P.). Delaware — Wil- 

 liamson School, Br. J. B. Brinton (B.C.), Miss Phillips Barrens, Br. Geo. 

 Smith (Fa.) . Chester— (P.). Lancaster— (P.). Northampton— (P.). 

 Gloucester— Near Mickleton (He.). Atlantic— Landisville, Buena Vista 

 (C). , M onmouth— Shark Biver (C). , .■;■ . , 



• New Castle— Dixons, Commons; Townsend, : Canby and Tatnall; Faulk- 

 land, Commons. 



5. Scleria verticillata Muhl. M. p. 188. Moist meadows. Summer. 



Lancaster — Dillerville, Porter (Fu.). : 



12. CABEX L, Sedge., . . 



A. Staminate, flowers numerous, in one or more terminal spikes, which are 

 sometimes pistillate at the base or summit; or the spike solitary and the 

 i staminate flowers uppermost ' or ' basal, rarely, dioseious ; stigmas mostly 

 three and the achene 3-angled or swollen .( stigmas > 2 and the achene len- 

 ticular or compressed in No. 32). Eucarex. '< 



Perigynia mostly long-beaked, 3-20 mm. long, often inflated, the beak usually 

 as long as the body or longer (short-beaked in No. 20) ; pistillate 

 spikes mostly large, globose, ovoid, oblong or' cylindric. 

 Perigynia membranous or papery. > I 



Perigynia ovoid, conic, each with a narrowed base, or subulate, 

 tapering into a beak. • 



Teeth of the perigynium-beak slender, > short or none, neither 

 stiff nor awned. 

 Teeth of the perigynium-beak lanceolate or subulate. 



1. Lupulinae. 

 Teeth of the perigynium-beak short or almost wanting. 



ii ..." y» : •■■■•• ,; " "•! 2. Vesicariae. 



Teeth. of the perigynium-beak stiff, setaceous or awned. 

 : . • •,■(■•! ■ :'■■'! 3. Pseudocyperinae. 



Perigynia obovoid, very abruptly contracted into a beak; spikes 

 . exceedingly dense. 4. Squarrosae. 



Perigynia • firm, hard, and leathery. 5. Paludosae. 



Perigynia short-'beaked or beakless, little or not at all inflated, 1-5 mm. long, 

 the beak commonly not more than one-half as long as the body 

 (long-beaked in No. 26) ; spikes small and oblong or globose, or 

 elongated linear or narrowly cylindric. 

 * Spikes 2 or more, the staminate one always uppermost, sometimes partly 

 pistillate. 

 ; Pistillate spike or spikes many-flowered, i mostly 2-5 cm. long or 



more (or shorter in Nos. 27, 38, 40, 41, 44, 49-51) linear, 

 narrowly cylindric or oblong. ■!!'•' 



