CYPERACEAE 49 



3. Eleocharis obtusa Schult. Bi,unt Spike-RUSH. (Man. p. 

 1044.) In -wet soil, N. B. to B. C, Fla., Tex. and Ore. Also in 

 Eu. — Pennsylvania NorThumberi<and ; Philadelphia ; Dela- 

 ware ; Chester ; Monroe ; Huntingdon ; Franklin ; Lancas- 

 ter ; Lebanon ; Montodr ; Columbia ; Erie ; Lackawanna ; 

 Schuylkill. 



3a. E. obtusa jejuna Fernald. Huntingdon. 



4. Eleocharis Engelmannli Steud. Engelmann's Spike-rush. 

 (Man. p. 169 ; I. F. /. 5S5.) In wet soil, Mass. to N. J., Ark., Tex. and 

 Calif. — Pennsylvania : Delaware, Tinicum ; Bucks ; Lancaster ; 

 Lebanon ; Huntingdon. 



5. Eleocharis palustiis (L. ) R. & S. Creeping Spike-rush. (Man. 

 p. 169 ; I. F. /. 586.) In wet places, Labrador to B. C, Fla., Tex. and 

 Calif. Also in Eu. and Asia. — Pennsylvania : Monroe ; Northumber- 

 land ; Lancaster ; Luzerne ; Huntingdon ; Delaware ; Bucks ; 

 Tioga ; Susquehanna ; Pike ; Franklin ; Chester ; Erie. 



6. Eleocharis glaucescens (Willd.) Schult. Pale Spike- rush. 

 (Man. p. 169.) In wet places. On t. to Minn., Neb., Fla. and Tex. — 

 Pennsylvania : Monroe ; Northampton ; Lancaster ; Franklin ; 

 Erie. 



7. Eleocharis Smallli Britton. Small's SpikE-RUSH. Sandy shores 

 of islands, lower Susquehanna River, Pa. — Pennsylvania : Dauphin, 

 Harrisburg ; Lancaster and York, McCall's Ferry. 



8. Eleocharis aoicularls (L.) R. & S. NEEDLE SpikE-RUSH. (Man. 

 p. 170 ; I. F. /■ 587.) In wet soil, throughout N. A., except the extreme 

 north. Also in Eu. and Asia. — Pennsylvania : Northampton ; Mon- 

 roe ; BERKS ; Luzerne ; Huntingdon ; Lancaster ; Chester ; 

 Delaware ; Erie. 



9. Eleocharis tuberculosa (Michx.) R. & S. Large-TubERCLED 

 Spike-rush. (Man. p. 170 ; I. F.y. 590.) In wet soil, Mass. to Fla. and 

 Tex.,. near the coast. — Pennsylvania: Montgomery, bog near Willow 

 Grove. 



10. Eleocharis tricostata Torr. ThrEE-RIBBEd Spike-RUSH. (Man. 

 p. 171 ; I. F.y. 594-) In wet soil, N. Y. to Fla. — Pennsylvania : Dela- 

 ware, Tinicum. 



11. Eleocharis tenuis (Willd.) Schult. Slender Spike- rush. (Man. 

 p. 171 ; I. F./. S9S-) I" w^t soil. Cape Breton Island to Man., Fla. and 

 Tex.— Pennsylvania : Bucks ; Lancaster ; Schuylkill ; Franklin ; 

 Chester ; Delaware. 



12. Eleocharis acuminata (Muhl.) Nees. FlaT-sTEmmED SpikE- 

 rush. (Man. p. 171 ; I. F./. 596.) In wetsoil, Anticosti to Man., Ga., 

 La. and Mo. — Pennsylvania . Erie, Presque Isle ; Bucks. 



13. Eleocharis intermedia (Muhl.) Schult. MaTTED SpikERUSH. 

 (Man. p. 171 ; 1. 'P. f. 597.) In marshes, Ont. to Minn., N. J., 111. and 

 lo-vie..— Pennsylvania : Northampton ; Bucks ; Philadelphia ; Lan- 

 caster ; Franklin. 



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