TRIANDRIA M0W06TNIA. ScirpUS. 



S, coropressus. Moench. meth. 394. 



Icon. Moris, hist. 3. ^.8. MO./. 34. Host. gram. 3. 



t. 56. 

 Near ponds and ditches : Pensylvania. 1/ . July. v. v. 



55 



capitatus. 



7. S. spica subglobosa, culmis sulcato-angulatis setaceis, 

 vaginis muticis, spica subglobosa. Vahl. enum.pl. 2. 

 p. 250. Wiild. sp. pi. 1. p. 294. 



Icon. Rotth. gram. t. 15./. 3. 



In small ponds, very common, l/.Aug. v. v. 



5. S. spica ovato-oblonga, squamis ovato-subrotundis, cul- geniculatus. 



mis teretibus approximate interstinctis. Fahl. enuvi. 



pi. 2. p. 250. JVilld. sp. pi. l.p. 291. 

 Icon. Sloan, hist. 1. /. 83./. 3, 

 On the sea-shore of Virginia and Carolina. 1/ . July. 



V. V. 



Q. S. spica cylindrica, squamis oblongo-subrotundis, cul- quadrangula- 

 mis tetragonis. Vahl. enum. pi. 2. p. 252. Mich.Ji. tus. 

 amer. l.p. 30. 

 In Carolina. Michaux. If. +. 



** Culmo polystachyo : spicis lateralihus. 



10. S. spicis ovalis acutis subsolitariis, culmis foliisque capil- 

 laribus curvatis. Vahl. enum. pi. 1. p. 253. 

 Icon. Pluk. aim. t. 300./. 5. Rottb. gram. t. 15./. 4. 



S. setaceus. 

 In wet sandy fields and near ponds : Virginia to Carolina. 

 1/ . July. V. V. 

 U.S. spicis brevi-ovatis conglomerato-sessilibus, squamis 

 subrotundis membranaceis, culmis striatis. 

 In wet meadows : Pensylvania. If. . July, Aug. v. v. 

 Culmi teretes, striati, pedales et ultra. Spicules 4 — 6. 

 crassae. Squamis latis, acutiusculis. Setults seraine 

 duplo longiores. Affinis S, setaceo, 



12. S. aphyllus, spicis oblongis, squamis integerrimis mu- 



cronato-acuminatis, culmo triquetro. Fahl. enum. 



pi. 2. p. 256. Willd. sp. pi. 1 . p. 303 . 

 Icon. Host. gram. 3. t. 66. 

 In swamps and salt-marshes : Canada to Carolina. % . 



Aug. V. V. 



*** Culmo polystachyo : spicis terminalibus, 



13. S. aphyllus, spicis oblongis, squamis glabris mucronu- 



delilis. 



mucronatus. 



lacustra. 



