Preliminary List of Phenogamia and Pteridophyta. 523 
Cyperus aristatus Rottb. 
Schweinitzii Torr. 
“ filiculmis Vahl. 
“ speciosus Vahl. 
Dulichium spathaceum Pers. 
Eleocharis palustris R. Br. 
intermedia Schult. 
tenuis Schult. 
acicularis R. Br. 
Fimbristylis capillaris Gray. 
Scirpus pungens Vahl. 
“ lacustris L. 
atrovirens Muhl. 
Eriophorum cyperinum L. 
polystachyon L. 
Hemicarpha subsquarrosa Nees. 
Carex intumescens Rudge. 
monile Tuckerm. 
retrorsa Willd. 
hystricina Muhl. 
squarrosa L. 
Houghtonii Torr. 
filiformis L. 
riparia W. Curtis. 
" vulgaris Fries. 
“ stricta Lam. 
crinita Lam. 
gracillima Schwein. 
“ grisea Wahl. 
“ conoidea Schkuhr. 
" laxi flora Lam. 
“ plantaginea Lam. 
Richardsonii R. Br. 
*' Pennsylvanica Lam. 
decomposita Muhl. 
“ alopecoidea Tuckerm. 
vulpinoidea Michx. 
“ rosea Schkuhr. 
“ foenea Willd. 
“ straminea Willd. 
" scoparia Schkuhr. 
Spartina cynosuroides Willd. 
Panicum glabrum Gaudin. 
sanguinale L. 
proliferum Lam. 
“ capillare L. 
autumnale Bose. 
Panicum virgatum L. 
latifoliun L. 
depauperatum Muhl. 
dichotomum L. 
Crus-galli Lam. 
Setaria verticillata Beauv. 
glauca Beauv. 
viridis Beauv. 
Cenchrus tribuloides L. 
Leersia Virginica Willd. 
“ oryzoides Swartz. 
Zizania aquatica L. 
Andropogon scoparius Michx. 
furcatus Muhl. 
Chrysopogon nutans Bentham. 
Phalaris arundinacea L. 
Hierochloa borealis R & S. 
Aristida gracilis All. 
Stipa spartea Trin. 
Muhlenbergia glomerata Trin. 
Mexicana Trin. 
Phleum pratense L. 
Alopecurus geniculatus L. var. 
aristulatus Torr. 
Sporobolus asper Kunth. 
cryptandrus Gray. 
vaginseflorus Vasey. 
Agrostis alba L. 
" var. vulgaris 
Thurb. 
perennans Tuckerm. 
“ scabra Willd. 
Cinna arundinacea L. 
Calamagrostis Canadensis 
Beauv. 
Avena fatua L. 
Danthonia spicata Beauv. 
Bouteloua hirsuta Lag. 
“ racemosa Lag. 
Koeleria cristata Pers. 
Eatonia obtusata Gray (?). 
“ Pennsylvanica Gray. 
Eragrostis reptans Nees. 
