14 TRIANDRIA. MONOGYNIA. 



14 tnacrostachyos. Muhl. Gram, 

 robustas. Ph. 



maritimus. Mx. Ell. In salt-marshes. %. July — Aug. 



15 Amcricanus. Pcrs. 



triqueter. Mx. Muhl. Gram. In salt-marshes. %. July-^ 

 Aug. 

 28. Mariscus. Vahl. 



1 retrofractus. Vahl. 



Scirpus retrofractus. Muhl. In wet meadows. U. Aug. 



2 echinatus. Ell. 



ovularis. VahJ.-Enum. R. k S. 

 Scirous echinatus. Muhl. Gram.-L ? 

 Kylliugea ovularis. Mx. 

 In wet meadows and borders of swamps. Bloomingdale, &c 

 % • Aug. 



3 cyperlformis. 

 glomcratus. Bart Fl. Philad, 

 umbellatus. Ph. non Vahl. 

 Scirpus cyperiformis. Muhl. Gram. 



var. capitulo globoso. 

 Cypcrus Kyllingaeoides. Ph. 

 Scirpus lupulinus. Spr. 

 On dry hills, and in arid sandy soils. N. York, N. Jersey, 

 &c. tf.JuIy. Sept. 

 29- Eriophorum. L. Cotton-grass. 



1 polystachyon. L. 

 vulgare. Pers. 

 an gust i folium. 



B. polyslachyum. R. & S. 

 In bog-meadows. Long-Island, kc. Aug. 



2 angustifolium. L. In the cedar swamp. New-Durham. 



2/. July. 



3 Virginicum. L. In bog-meadows. K.July. 

 50. Tkichopiioui'm. Pcrs. 



cyperinum. Pers. 

 Scirpus Eriophorum. Mx. 

 Eriophorum cyperinum. L. 

 In swamps near salt-water. %. Aug. 



31. Cenchrus. L. IMge-Jfog-grass. 



1 tribuloides. L. On the sea-shore, and the gravelly hanks 



of the Hudson, near the city. %. Aug. 



2 echinatus. Schrcb. Gram. t. 23. f. l. Muhl. Gram. 

 On Long-Island, near the city. Eddy. v. s. in Herb. Edd. 



32. SiMRTitfA. Schreb. Limmtis. Rich. Tracliynotia. Mich. 



1 juncca. Muhl.-EH. 

 Trachynotia juncea. Mx. 

 Limnctis juncea. Pers. 

 Dactyl is cynosuroides. Walt. 

 In salt-marshes and on gravelly shores, near the salt-water. 

 %. Aug. 



