RECSIYEDi 
FEB 7 1910 
^fPLANTS COLLECT'ID ON ISLE ROYALE DURING THE 
SUliMRR OP 1909 BY W. S. COOPER. 
PTERIDOPHYTES . 
Polypottiun vulgare L. 
Phegoyteria pclypodioides Fee. 
Dryopteria( L. )p©e. 
P ter is aqiiilina L. 
Crj-ptograma aohrostl oho ides R. Br. 
Asplsnium fllix-foenlnaC L. )BerRh, 
Aspidiuiii thelypterls( L. )Sw. 
rragransCL. )Sw. 
opimilo sun( 0 . P . Muller ) St/ . 
” clilatatuin( Hoffn. )llook. 
Cyotopterla buibifora(L. )EernIi. 
fragllisC L, iRernli. 
T^oodsia ilvenf5is(L. )H.13r. 
Onoolea struthiopterist L. )Hoffia. 
Oarnunda clnna- enea L. 
Bo tryohlun lunar i a( L . ) Sw . 
ternatur; interasdlum D.O, Raton. 
virginianuia( L. )S\ 7 . 
Equiaetur. arveuse R. 
oylvatlcu:.! L. 
paluatre L. 
fluviatlle L. 
sain>oldea Miohx. 
Lycopodiutn aelago L. 
luoiduliu.: Michx. 
annotinun L. 
Slav a turn L. 
LIBRARY OF THE GRAY HERBARIUM 
HARVARD UNIVERSITY. 
THE GIFT OF 
