68 
Phieum, L. 
we pratense, L. 
| 
) 
| 
| Sporobolus, R. Br. 
| asper, (Michx.), Kunth. (Vil/a aspera, Beauv.) 

wee COMpressus, (Torr.), Kunth. 
heterolepis, Gray. 
ao serotinus, (Torr.), Gray. : 
vagineeflorus, (Torr.), Vasey. (V. vagineflora, Torr.) 
Agrostis, L. 
alba, L. 
var. vulgaris, (With.), Thurb. (A. vulgaris, With ) 
altissima, (Walt.), Tuck. (A. elata, Trin.) 
canina, L. 
hiemalis, (Walt.) (A. scabra, Willd.) 
perennans, (Walt.), Tuck. 
Polypogon, Desf. 
Monspeliensis, (L.), Desf. 
Cinna, L. 
arundinacea, L. 
pendula, Trin. (C. arundinacea, L., var. pendula, Gray.) 
Deyeuxia, Clarion. 
Canadensis, (Michx.), Beauv. (Calamagrostis Canadensis, ) 
Beauv.) : 
Nuttalliana, (Steud.), Vasey. (C. Nuttalliana, Steud.) 
. 













Ammophila, Host. 
arenaria, (L.), Link. (Calamagrostis arenaria, oth.) 
brevipilis, (Torr.), Benth. (C. brevipilis, Gray.) ) 
Aira, L. | 
caryophyllea, L. ; 
proecox, L. 
Deschampsia, Beauv. ; 
ceespitosa, (L.), Beauv. 
flexuosa, (L.), Griseb. 
Holcus, L. 
lanatus, L. 
Trisetum, Pers. 
Pennsylvanicum, (L.) (7. palustre, Torr.) 





Avena, L. 
striata, Michx. 
Arrhenatherum, Beauv. 
elatius, (L.), Mert. & Koch, (A, avenaceum, Beauv.) 
Danthonia, DC. 
Alleni, Austin. 



