LfL 
E. gracile Koch. 
E. tenellum Nutt. 
fie . frUbJs , S'H.lA • &-T* , ‘^Vi. 'X^'VLu u/tkt.^T 1 , 
&^ <*■**« ^ 
E.tenellurn v. rnonticola Pernald 
E. angustifchliuni Noth. 
QC.lK6C^x, m*4 r£, Art,7*4, /ft, 
>• M. gjQ, 6 *,Sf § ,\dl* .QO ,cw, aUt,*« 3 , ' 
(f *& > -R T^f . 
.E. angust. v. 
E. viridi-carinatum (Engelm..) Fernald- 
AC ( ^3^- ^ J- ) U< ’ 
, wi'-Uf ^Q£ ( U-t-vv., C (3 , Y(f Ijr'Kf * 
E. virid. t. Pellowsii Fernald . 
E. virginicun L. 
/BCi Q-’f*, I&-H&, t'leJ-Uf, &&■**< £, £&>y ft, W*~£y *, :p,_ ro<i , 
UW ,1 C. ,CjU, ft ^ ,s-f a (bjK. ft<\e4 oXSf. &£, ocC. feM'S f*u6, 
Tnfy ° 
R. P 
vrvA •'.> * \rv«A &.»4 i. . . • 
