18 TRIANDRIA. DIGYNIA. 



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



<D. Aug. 

 var ? sylvaticum. In woods. {*}. Aug. 



17 nitidum. Lmk. In moist and shady situations. Woods, 



June — July. 



18 umbrosum. LC. In woods. Bloomingdale. July, 



19 angustifolium. LC. In Newark meadows. 



20 verrucosum. Muhl. Gram. In sandy soil. Long Branch* 



Cooper. Aug. 



46. Digit aria. Haller. Crab-grass. 



1 sauguinalis. H.-Muhl. 

 Panicum sanguinale. 



In sandy and uncultivated fields. 0. July.- Sept. §. ? 



2 filiformis* Muhl. 



Paspalus filiformis. Flugg. R. & S. 

 On dry hills. Bloomingdale, &c. {£>. July — Sept. 



3 ? paspalodes. Mx. 



Ischaemum. Muhl. Gram. 

 Paspalus Digitaria. Poir. Enc. 

 In sandy fields. ©. Aug. — Sept. 



47. Ctnodon. Rich. Bermuda-grass* 



Dactylon. R. 



Digitaria Dactylon. Muhl. 

 Panicum Dactylon. L. 

 In cultivated grounds. Long-Island. Eddy. %. July. §. 



48. Paspaxum. L. 



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

 Sept. 



49. Dactylis. L. Cock' s-foot-gr ass. 



glomerata. L. ( 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. if. Aug — Sept. 



51. Poa. Meadow-grass. 



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



2 brevifolia. Muhl. Gram. In dry woods, n • June. 



3 viridis. Muhl. Gram. In woods. U • June — Aug. 



4 nervata. Muhl. Gram—Willd. 

 striata. Mx. 



lineata. Pers. 

 In ditches and overflowed meadows, u • June — July. 



5 pectinacea. Mx. 

 tenella. Ell. Sk. et Ph. 

 pilosa. Muhl. Gram. 



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

 son falls. #. Sept. 



6 reptans. Mx. 

 Megastachya reptans. P. de B. 



In a deep swamp behind Elgin garden. #. Aug- 



