CYFERACEAE. 69 



2a. SCLERIA RETICULARIS PUBESCENS Britton. M. p. 187. Moist meadovps. 

 Summer, 

 Bucks— TvL\\jiov;vi (Sa.). 

 Gloucester— "iiiegs Mickleton (He.). 



2b. ScLERiA RETICULARIS OBSCURA Britton. M. p. 188. Moist meado-ros. 

 Summer. 

 Ooea/i— Forked River (He.). 



3. ScLERiA ToRREYANA Walp. M. p. 188. Moist soil. Smnmer. 



JBmc'As— Tullytown (Fr.). Montgomery— ^\i\\o\^ Grove (VP.). JDefa^ 

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



Burlington — Baisio (C). Ocean— Paint Hollow, Toms River (C). 



4. ScLERiA PAUCIFLORA Muhl. M. p. 188. Dry soil. Summer. 



5itcAs— Durham, Euth (Fr.). Montgomery— (V.). Delaware— WH- 

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

 Smith {Fu.). Chester— (P.). Lancaster— (P.). Northampton— {P.). 



Gloucester— 1<< ear Mickleton (He.). ^<?rt))iic;— Landisville, Buena Vista 

 (C). jl/oJi?noMt7t— Shark River (C). 



Neiv Castle— Bixons, Commons; Townsend, Canby and Tatnall; Faulk- 

 land. Commons. 



5. ScLERiA VERTiciLLATA Muhl. M. p. 188. Moist meadows. Summer. 



LoJicasfer— Dillerville, Porter (Fu.). 



12. CAREX L. Sedge. 



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

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

 staminate flowers uppermost or basal, rarely dioecious ; 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 cylindrie. 

 Perigynia membranous or papery. 



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. Lwpulinae. 

 Teeth of the perigynium-beak short or almost wanting. 



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. Sqicarrosae. 



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 bodj 

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

 elongated linear or narrowly cylindrie. 

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

 pistillate. 

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

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

 narrowly cylindrie or oblong. 



