Spiai ilnvvoim . 
Low plants with the habit of Cainpiosoriis rhizophyl- 
lus\ leaves lanceolate, 6 cm. or more 1., apex attenuate, 
lobes unequal, usually rounded; sori irregular. 
In crevices of rocks. April -July. 
Collected in many localities in Pennsylvania, West Virginia 
and Tennessee, bnt very rare in our region. Near Harper's Fer- 
ry, Merlz ; Fairfax Co , Va., Maxon, Palmer. 
** Lobes elo?igate. 
2. A. ebenoides Scott. 
Asplenium ehenoides Scott; Berk. i866. Journ. 
Hort. Soc. 87. t. 3. f. I. Eaton^ 1. c. i : 25. t. 
4. f . 3 ; in Gray, 1. c. 6S4. Underw. in 111. Fl. 
I : 23 ; Nat. Ferns 103 ; in Britt. 1. c. i r. Clutc^ 
1. c. 169. Waters^ 1. c. 133. 
Spleenwoijt. 
Plants 1-3 dm. high ; leaves oblong-lanceolate, deeply 
pinnatifid or sometimes pinnate ; lobes or pinnae unequal, 
1-3 cm. long; apex of the leaf attenuate. 
On limestone rocks, rare. 
Towson Md., Waters; Phnnmer's Island, Potomac River' 
Palmer \ Blacksburg, Va., Murrill. 
Botanists hold this species as a hybrid between ^^J.v//^'- 
niiim platyiieuron and Camptosorus rhlzophyll'us . 
