J 8 TRIANDRIA. DIGYNIA. 



16 capillare. L. In sandy fields and cultivated grounds. 



©. Aug. 

 var ? sylvaticum. In woods. ©. Aug. 



17 nitidum. Link. In moist and shady situations. Woods. 



June — July. 

 J 8 umbrosum. LC. In woods. Bloomingdale. July. 



19 angustifolium. LC. In Newark meadows. 



20 verrucosum. Muhl. Grain. In sandy soil. Long Branch. 



Coojier. Aug. 



46. Digitaria. Haller. Crab-grass. 



1 sanguinalis. H— Muhl. 

 Panicuin sanguinale. 



In sandy anil uncultivated fields. ©. July. Sept. §. ? 



2 filiformis. Muhl. 



Paspalus filiformis. Flugg. R. & S. 

 On dry hills. Bloomingdale, &c. ©. July — Sept, 



3 ? paspalodes. Mx. 



Ischaemum. Mulil. Gi*am. 

 Paspalus Digitaria. Poir. Enc. 

 In sandy fields. ©. Aug — Sept 



47. Cynodon. Rich. Bermuda-grass, 



Dactylon. R. 



Digitaria Dactylon. Muhl. 

 Panicum Dactylon. L. 

 In cultivated grounds. Long-Island. Eddy. 1{. July. §. 



48. Paspalum. L. 



ciliatifolium. Mx. In sandy, barren soils. New Jersey. 

 Sept. 



49. Dactylis. L. Cock's-foot-grass. 



glomerata. L.f Orchard-grass. J In meadows. %• July. §. 



50. Eleusine. Gaert. Dog's-tail-grass. 



Indica. Mx. ( Wire-grass. J 

 Cynosurus Indica. L. 

 In cultivated grounds, road sides, &c. common in the streets 

 of New- York. y. Aug — Sept. 



51. Poa. Meadow-grass. 



1 annua. L. Fields and road sides. ©. April. Oct. 



2 brcvifolia. Muhl. Gram. In dry woods, y. June. 



3 viridis. Muhl. Gram. In woods, y • June Aug. 



4 ncrvata. Muld. Gram—Willd. 

 striata. Mx. 



lineata. Pel's. 

 In ditches and overflowed meadows, y. June July. 



5 pectinacca. Mx. 

 tenclla. Ell. Sk. et Ph. 

 pilosa. Muhl. Gram. 



In meadows near Elgin garden, and on the rocks at Patter- 

 son falls. ©. Sept. 



6 reptans. Mx. 

 Megasiachya reptans. P. de B. 



In a deep swamp behind Elgin garden. ®. Aug. 



