MONOECIA. TRIAXDRIA. 71 



MONANDRIA. 



181- Zostbha. L. Grasswrack. 



marina. Vahl. On the sea shore, and in salt water 

 bays near New- York. % . 



582. Caulinia. Willd. 



Ikxilis. Willd. In slow flowing streams. 0. Sept. 



583. Chara.. L. 



vulgaris. L. fFeatfter beds.) In ponds, and slow flow- 

 ing streams. ®. July. 



DIANDRIA. 



384. Lemna. L. Duck's meat. 



1 minor. L. In ditches and stagnant waters. U . ? July 



—Aug. 



2 polyrlii/a. L. In similar situations. Hobokcn. %. Aug. 



3 dimidiata. Raf. Amcr. Mon. Mag. In ponds, in woods, 



near Brooklyn, v. v. 



TRIANDRIA. 



385. Typha. L. Cat's tail. Reed mace. 



1 latifolia. L. Marshes and pools, u. June — July. 



2 angustifblia. L. In similar situations. %. June — July. 



386. Sparganium. L. Burr reed. 



1 ramosum. Sw. 

 ercctum. L. 



In ditches and small streams. 11. Aug. — Sept. white. 



2 Americanum. Nutt. 

 simplex. Muhl.-Ph. 



In similar situations. 11 . Aug. 



387. Tripsacum. L. Sesame grass. 



dactaloides. Willd. 

 monostachyon. Willd. 

 On the brow of the serpentine hill at Iloboken. U . Aug. 



388. Carex. Ii. Sedge. 



1 stcrilis. Willd. In wet meadows. 24. May. 



2 polytrichioides. Willd. 

 mierostachya. Mx. 



Low wet places, u. May. 



3 bromoides. Schk. In boggy meadows, is . May. 



4 squarrosa. L. 

 typhi na. Mx. 



Tn low boggy meadows. Greenwich. U. June. 



5 pcdunculata Willd. Moist shady grounds. 24. Juue~~< 



July. 



6 lagopndioides. Willd, In boggy meadows. %. June. 



