14 TRIANDRIA. MONOGYNIA. 



14 macrostachyos. Muhl. Gram, 

 robustus. Ph. 



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



15 Americanus. Pers. 



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

 Aug. 



28. Maris cits. Vahl. 



1 retrofractus. Vahl. 



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



2 echinatus. Ell. 



ovularis. Vahl .-E num. R. & S. 

 Scirpus echinatus. Muhl. Gram.-L ? 

 Kyllingea ovularis. Mx. 

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

 %. Aug. 



3 cyperiformis. 

 glomeratus. Bart. FI. Philad. 

 umbellatus. Ph. non Vahl. 

 Scirpus cyperiformis. Muhl. Gram. 



var. capitulo globoso. 

 Cyperus Kyllingaeoides. Ph. 

 Scirpus lupulinus. Spr. 

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

 &c. 2/. July. Sept. 



29. Eriophorum. L. Cotton-grass, 



1 polystachyon. L. 

 vulgare. Pers. 

 angustifolium. 



B. polystachyum. R. & S. 

 In bog-meadows. Long-Island, &c. Aug. 



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



11, July. 



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

 50. Trichophorum. Pers. 



cyperinum. Pers. 

 Scirpus Eriophorum. Mx. 

 Eriophorum cyperinum. L. 

 In swamps near salt-water. %. Aug. 



31. Cenchrus. L. Hedge -Hog-grass, 



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



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



2 echinatus. Schreb. Gram. t. 23. f. 1. Muhl. Gram. 

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



32. Spartina. Schreb. Limnetis, Rich. Trachynotia* Mich* 

 1 juncea. Muhl.-Ell. 



Trachynotia juncea. Mx. 

 Limnetis juncea. Pers. 

 Dactylis cynosuroides. Walt, 

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

 %. Aug. 



