CYPERACEAE 51 



3. Rynchospora glomerata (L.) Vahl. Clustered Beaked- rush. 

 (Man. p. 185 ; I. F. f. 654.) In moist soil, Me. to Mich., Fla. and Ttx. 

 — Pennsylvania : Lackaw.^nna ; Monroe ; Northumberland ; Dela- 

 ware ; Chester ; Huntingdon ; Montgomery ; Bucks, Bristol ; Phil- 

 adelphia ; Franklin ; Lancaster ; Perry. 



4. Rynchospora cymosa Ell. Grass-like Be.\ked-rush. (Man. 

 p. 186 ; I. F./. 6jS. ) In moist soil, N. J. to Mo., Fla. and Tex. Also in 

 Cuba. — Pennsylvania: Bucks, Bristol; Delaware; Lancaster. 



11. SCLERIA Berg. 



Inflorescence of i or several terminal or lateral clusters. 



Achene smooth. i. .S". triglomerala. 



Achene reticulated, ridged or papillose. 

 Achene reticulated or irregularly ridged. 



Clusters of spikelets sessile or nearly so : achene not hairy. 



2. .S. reticularis. 

 Lower clusters of spikelets filiform-peduncled : achene hairy. 



3. 5'. Torreyana. 

 Achene papillose. 4. .S". pauciflora. 



Inflorescence interruptedly glomerate-spicate. 5. 5. verticillata. 



1. Selena triglomerata Michx. Tall Nut-rush. (Man. p. 187 ; I. 

 F.y. (5(5j. ) In meadows and thickets, Vt. to Wis., Fla. and Tex. — Penn- 

 sylvania : Lancaster ; Huntingdon ; Venango ; Chester. 



2. Scleria reticularis Michx. Reticulated Nut-rush. (Man. p. 

 187 ; I. F. f. 664. ) In moist meadows, eastern Mass. to Mo. and Fla. 

 Also in Cuba. — Pennsylvania : Lancaster, Pleasant Grove. 



3. Scleria Torreyana Walp. Torrey's NuT-rush. (Man. p. 188; 

 I. F./. 66^.) In moist soil, N. J. to Fla., Tex. and Mex. Also in Cuba. 

 — Pennsylvania: Bucks; Monroe, Toby hanna ; Del.vware ; Lancas- 

 ter. 



4. Scleria pauciflora Muhl. Papillose NuT-rush. (Man. p. 188; 

 I. F./. 666. ) In dry soil, N. H. to Mo., Fla. and Tex. Also in Cuba.— 

 Pennsylvafiia : Northampton ; Bucks ; Lancaster ; Montgomery ; 

 Chester. 



5. Scleria verticiUata Muhl. Low NuT-rush. (Man. p. 188 ; I. F. 

 /. 66j.) In moist meadows, Mass. to Mich., W. I., Tex. and Mex. — 

 Pennsylvania : Lancaster ; Erie, Presque Isle. 



12. CAREX L. 



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 

 staminate flowers uppermost or basal, rarely dioecious : stigmas mostly 3 

 and the achene 3-angled or swollen (stigmas 2 and the achene lenticular or 

 compressed in no. 38). EUCAREX. 

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

 ally as long as the bod5' or longer (short-beaked in no. 27): pistillate 

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



