TRIANDRIA DIGYNIA. Zizailia. 



3. Z. pusilla, culmis gracilibus ramosis, foliis linearibus 

 pJanis, spicis solitariis axillaribus setaceis subquadri- 

 floris, glumis muticis. Mich.Jl. amer. l.p.'^S. 

 On the banks of Lake Champlain and St. Laurence. 

 1/ . July, V. V. 



61 



fiuitans. 



69. MUHLENBERGIA. Gen. pi. 103. 



1. M. culmo debilt ramoso foliisque glabris, panicula co- 



arctata^ calyce univalvi. Pers. ench. \.p. 73. 

 Dilepycum minutiflorum. M'uh.Ji. amer. 1 . p. 40. 

 On dry grassy hiijs, frequent. % . June, July. v. v. 



2. M. culmo firmo simplici foliisque pubescentibus, pa- 



nicula laxa, calyce bivalvi, arista longissima. P^rs. 



ench. 1. p. 73. 

 Dilepycum aristosum. Mich Ji. amer. 1, p. 40. 

 In dry shady woods, from Canada to Carolina. 1/ . July. 



V. V. 



diffusa. 



erecta. 



70. TRICHODIUM. Mich.Jl. amer. 1. p. 41. 



1. T. culmis erectis, foliis angustis' breviusculis, vaginis laxiflorum. 



asperiusculis, glumis lanceolatis. Mich. fl. amer. 1 , 



p. 42. 

 Cornucopiae hyemalis. Walt.Jl. car. ys. 

 Agrostis scabra. JFilld. sp. pi. l.p. 370. 

 Agrostis laxa. Schreh. gram. 

 Icon. Mich.Jl. amer. I. t. S. 

 Common in all grassy situations. 1/ . May — Aug. v. v. 



2. T. culmis decumbentibus, foliis patulis, vagina laevi, decumlens. 



glumis lineari-lanceolatis sensim acuiis. Mich. Jl. 



amer. 1. p. 42. 

 Cornucopiae perennans. Walt.Jl. car. 74. 

 Agrostis anomr'la. IFilld. sp. pi. 1 . p. 370. 

 Agrostis cornucopiae. Fraser. monogr. cum icone. 

 Icon. Faspr. monogr. 

 On moist hills and sb.ort grass meadows, from Canada to 



Carolina. l/.June — Aug. v. v. This and the first 



species are highly valuable grasses. Vide Eraser's 



Monogr. and Walter's Flora. 



3. T. culmis erectis, foliis angustis scabris, vaginis glabris, 'elatuju. 



valvis membranaceis ovato-lanceolatis acuminatis. 

 Cornucopiae altissima. lVu.lt. Jl. car. 74. 

 Agrostis dispar. Mich.Jl. amer. 1. p. 52. 



