TRIANDRIA DIGYNIA. Zizania. 
3. Z. pusilla, culmis gracilibus ramosis, foliis linearibus 
planis, spicis solitariis axillaribus setaceis subquadri- 
floris, glumis muticis. Mich.Ji. amer. 1 . p. J5. 
On the banks of Lake Champlain and St. Laurence. 
If . July. v. v. 
69 . MUHLENBERG! A. Gen.pl. 103. 
1 . M. culmo debili ramoso foliisque glabris, panicula co- 
arctata, calyce univalvi. Pers. ench. 1 .p. 73. 
Dilepycum minutiflorum. Mich.Ji. amer . 1. p. 40. 
On dry grassy hills, frequent. If . . June, July. v. v. 
2. M. culmo firmo simplici foliisque pubescentibus, pa- 
nicula laxa, calyce bivalvi, arista longissima. Ptrs. 
ench. 1. p. 73. 
Dilepycum aristosum. Midi fl. amer. 1 . p. 40. 
In dry shady woods, from Canada to Carolina. If . July. 
v. v . 
70. TRICHODIUM, Mich.Ji. amer. 1 . p. 41. 
1 . T. culmis erectis, foliis angustis breviusculis, vaginis 
asperiusculis, glumis lanceolatis. Mich. fl. amer . 1 , 
p. 42. 
Cornucopiae hyemalis. Walt.Jl. car. 73. 
Agrostis scabra. Willd. sp. pl. l.p. 3J0. 
Agrostis laxa. Schreb.gram. 
Icon. Mich.Ji. amer. 1. 1. 8. 
Common in all grassy situations. If . May— Aug. v. v. 
2. T. culmis decumbentibus, foliis patulis, vagina laevi, 
glumis lineari-lanceolatis sensim acutis. Mich. Jl. 
amer. 1. p. 42. 
Cornucopiae perennans. Walt.fl. car . 74. 
Agrostis anomala. Willd. sp. pl. 1. p. 37O. 
Agrostis cornucopiae. Fraser, monogr. cum icone. 
Icon. Fraser, monogr. 
On moist hills and short grass meadows, from Canada to 
Carolina. If . June— Aug. v. v. This and the first 
species are highly valuable grasses. Vide Fraser’s 
Monogr. and Walter’s Flora. 
3. T. culmis erectis, foliis angustis scabris, vaginis glabris, 
valvis membranaceis ovato-lanceolatis acuminatis. 
Cornucopiae altissima. Walt.Jl. car. 74. 
Agrostis dispar. Mich. fl. amer. l.p. 52. 
6 \ 
fluitans. 
diffusa . 
erecta . 
laxiflorum. 
decumbens. 
elatum . 
