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191 
Aristida, L. 
dichotoma, Michx. Barren fields . July . 
gracilis, Ell. Sandy fields . Long Island . 
Calamagrostis, Roth. 
canadensis, P. de Beauv . Wet meadows . August . 
coarctata, Torr. in Gray's Gram. ^ Cyp. C. canadensis, Nutt. 
Arundo coarctata, Torr.Jl. Wet thickets. Aug. 
inexpansa, Gray. Swamps ; northern and western counties. July, 
arenaria. Roth, Arundo arenaria, L. Sandy seacoast of Long 
Island . August-September . 
Anthoxanthum, L. Sweet-scented Vernal Grass. 
§ odoratum, L. Moist meadows and open woods. June-August. 
Air a, L. Hair Grass. 
flexuosa, L . Dry woods and rocky hills . June . 
cespitosa, L. A. aristulata, Torr. jl. Moist situations, along 
rivers . June . 
atropurpurea, Wahl. Sources of the Hudson, Essex county. Aug. 
Trisetum, Pers . 
palustre, Torr. Avena pennsylvanica, L. A. palustris, Michx, 
Wet meadows . May- July . 
purpurascens, Torr. Avena striata, Michx. Northern and wes- 
tern counties . Wet woods and banks of rivers . 
Jime. 
molle, Trin . Avena mollis, Michx . Rocky banks of rivers ; 
northern and western counties . July . 
HoLCHUs, L. Soft Grass. 
^ lanatus, L. Wet meadows. July, 
HiERocHLOA, GmeL 
borealis, R, <^ S. Holchus odoratus, L. H. fragrans. Ph. Se- 
neca Grass . Wet meadows . May . 
alpina, R. S. High mountains of Essex county, June. 
Uralepis, Nutt. 
aristulata, Nutt. Sandy shores about New- York, and on the sea- 
coast of Long Island . August . 
Arundo, L. Reed Grass. 
phragmites, L . Borders pf ponds and swamps , August . 
