TRIANDRIA. MONOGYNIA. 13 



4 flavescens. L. Borders of salt-marshes and in bog-mea- 



dows. % . Aug. — Sept. 



5 diandrus. Sp. nov. In salt-marshes. Hoboken. Sent. 



6 repens. Ell ? On the sandy beech about Bath. Long- 



Island. 11 Aug. 



7 crythrorhizos. Muhl. In wet meadows, common. ? Aug. 



8 poaeformis. Ph. In brackish meadows. Long-Island. Sept. 



9 caespitosus. Sp. nov. In the salt-marshes about Green- 



wich and Hoboken. %. Aug. Sept. 

 10 Brizaeus. Rich. In wet meadows. Aug. 



26. DuiJCHitJM. Rich. 



snathaccum. Rich. 

 Canadense. Rich. 

 Cyperus spathaceus, Willd. 

 Scirpus spathaceus. Mx. 

 Schoenus spathaceus. L. 

 In swamps near salt water. Greenwich and New- Jersey. y.. 

 Aug. — Sept. 



27. Scirpus. L. Club-rush. 



1 tenuis. Willd. Enum. Low places, overflowed by salt- 



water. % J une — July. 



2 palustris. L. 



Eleocharis palustris. R. Brown. 

 Borders of marshes and ponds. 11 • June. 



3 capitatus. L. 



Eleocharis capitata. R. Brown. 

 In similar situations. 21. July — Aug. 



4 trichodes. Muhl. In water on the edges of ponds. June. 



5 intermedins. Muhl. Gram. In swamps. New-Jersey, if:. 



Sept. Near S. midticaulis. Sm. 



6 capUlaccus. Mx.-Ell. 

 pusillus. Vahl. 



In salt-marshes, very small, and grows in patches like moss. 

 O ? July — Aug. 



7 capillaris. Muhl. Gram. In sandy fields about Hoboken. 



©. July. 



8 lacustris. L. Muhl. ( Bnllrush.J In ponds and marshes. 



11 . June. 



9 acutus. Muhl. Gram. Borders of ponds, in shady places. 



11. June — July. 



10 debilis. Ph. non Muhl. In similar situations. N.J. %. 



July. * 



11 spadiccus. L. Muhl. 



t imbristylis spadiccus. Vahl. 

 In salt-marshes, near Hoboken. % Aug. Sept. 



12 autumnalis. Muhl. 

 mucronulatus. Mx. R. & S. 

 Fimbristylis autumnalis. R. & S. 



In swamps. N. Jersey. ©. Aug.—Oct 



13 atrovircns. Muhl. Gram. In wet meadows and swamps. 



%. June. * 



