CYPERACEAE 47 



4. Scirpus debilis Pursh. Weak stalked Club-rush. (Man. p. 

 177; I. F.y. 616.) In wet soil, Me. to Minn., Ga., Ala. and Neb. — 

 Pennsylvania : Northampton ; Lancaster ; Lehigh ; Cameron ; 

 Erie ; Montgomery ; Chester. 



5. Scirpus Smithii A. Gray. Smith's Club-rush. (Man. p. 177 ; I. F. 

 f. 61J.) In wet muddy places, Vt. to Minn., Del., Pa. and Mich. — 



Pennsylvania : Philadelphia. 



6. Scirpus Americanus Pers. Chair-maker's Rush. (Man. p. 

 177; I. F. f. 6/8.) In fresh water and brackish swamps, throughout N. 

 Am. — Pennsylvania: Northampton; Chester; Lancaster; Dau- 

 phin; York; Cambria; Lehigh; Lackawanna; Bucks; Frank- 

 i,iN ; Delaware ; Erie. 



7. Scirpus Torreyi Olney. TorrEy's Bulrush. (Man. p. 178; I. F. 

 f. 620.) In swamps, Vt. to Man., R. I. and Pa. — Pennsylvattia : Hun- 

 tingdon, barrens ; Carbon ; Pike, Twelve Mile Pond ; Erie. 



8. Scirpus mucronatus L. BOG Bltlrush. (Man. p. 178; I. F. /. 

 621.) In swamps, Pa. Probably adv. or fugitive from Eu. — Pennsyl- 

 vania : Delaware ; Chester. 



9. Scirpus lacustris L. Great Bulrush. Mat-rush. (Man. p. 



178 ; I. F. /. 62J.) In ponds and swamps, throughout N. Am. Also in 

 the Old World. — Pennsylvania : North.\mpton ; Lancaster ; Frank- 

 lin ; Huntingdon ; Armstrong ; Erie ; Jefferson ; Dauphin ; 

 Allegheny. 



10. Scirpus fluviatilis (Torr.) A. Gray. RivER Bulrush. (Man. p. 



179 ; I. F./ 62S.) In shallow water, Quebec to Minn., N. J. and Kans.— 

 Pennsylvania : Delaware, Tinicum ; Lancaster, Peach Bottom ; 

 Erie, Presque Isle. 



11. Scirpus sylvaticus L. Wood Bulrush. (Man. p. 179 ; I. F. /. 

 629.) In swamps, Mass. to Ga. Also in Eu. — Pennsylvania : Monroe ; 

 Bucks; Lancaster, Smithville, Gap, Little Octorara ; Jefferson. 



12. Scirpus atrovirens Muhl. Dark-green Bulrush. (Man. p. 

 179 ; I. F./. 6jo. ) lu swamps, N. S.to Man., Ga. and La. — Pennsylvania : 

 Monroe ; Northampton ; Lancaster ; Franklin ; Huntingdon ; 

 Somerset ; Lackawanna ; Allegheny. 



13. Scirpus rubrotinctus Fern aid. Small-fruiTEd Bulrush. (Man. 

 p. 179 ; I. F. /. 6j/, under S. microcarpus.) In swamps and wet woods, 

 northeastern North America. Pennsylvania : Bucks. 



14. Scirpus polyphyllus Vahl. Leafy Bulrush. (Man. p. 180; I. 

 F. /. 6^2.) In swamps, wet woods and meadows, Mass. to Minn., Ala. 

 and Ark. — Petinsylvania : Monroe; Chester; Dauphin; Franklin; 

 Huntingdon ; Blair ; Jefferson ; Lancaster ; Allegheny. 



15. Scirpus lineatus Michx. Reddish Bulrush. (Man. p. 180; I. 

 F. /. 6ss.) In swamps and wet meadows, Ont. to Ore., Ga. and Tex. — 

 Pennsylvania : Chester ; Bradford ; Allegheny. 



16. Scirpus cy per inus (L-) Kunth. Wool-grass. (Man. p. 180; I. 

 F. /. 636.) In swamps or meadows, Newf. to Ont., N. C. and Ky. ^Penn- 



