B. obliquum 
B. ternatum var. obliquum Eaton, \.c. 1: 14y. 
t. 20. f. 2; in Gray |. c. 6904. Underw. in III. 
Piva 2. 
GrarPE FERN. 
Plants 2--5 dm. high; the divisions of the ternate, 
sterile leaf-segment 2-pinnatifid or 2-pinnate; pinnules 
obliquely ovate, the terminal one elongate, margins cre- 
nulate: sporophyll long-stalked, 2--3-pinnate. 
In low, damp woods. July-September. 
** Pinnules dissected. 
3. B. dissectum Spreng. jad Gd 
Lunaria Botryitis ramosa, Geranit moschati 
oun i6. Pluk 1705. Simao i 8 4. tag 7 it) Se 
Botrychium dissectum Spreng. 1804. Anl.3:172. 
Cpdergcma WN 3: Nop. 404 4-saa Nat. 
Perms 72 3an Britt.\. cc... 
L. ternatum var. dissectum Eaton, \. c. 150. t. 
20 invGray 1c. 694, Underw. in ill, Pl. 1 93. 
B. obliquum dissectum Clute, \. c. 57,315. Wat. 
IC. 332: 
GRAPE FERN. 
Plants 2--6 dm. high; the divisions of the sterile leaf- 
segment dissected into numerous narrow lobes. 
In low, damp woods. ‘July-September. 
12 
