62 AMERICAN FERN JOURNAL 
Podunk Pond (Lake Nebo). Our plant is var. flabelli- 
forme Fernald. 
LYCOPODIUM TRISTACHYUM Pursh 
Dry woods and pastures; scarce. Aug.—Sept. 
Pasture 34 of a mile west of Vaughns schoolhouse; 
west of Tripoli; foot of Sugar Loaf and Peaked moun- 
tains; Sly Pond; woods northeast of Hudson Falls; 
woods north of Cambridge. 
Differs from the preceding species, by the rhizomes 
creeping 1-2 inches below the surface of the ground; 
the leafy branches more erect and less spreading; the 
leaves less dimorphous. This species commences to 
Scatter its spores about Sept. 1; L. complanatum, var. 
flabelliforme, about Oct. 15, at Vaughns. 
Selaginellaceae 
SELAGINELLA RUPESTRIS (L.) Spring 
Dry exposed. granitic rocks, specially in elevated 
regions; rather widely distributed in the northern part 
of the region. July—Oct. 
This inconspicuous moss-like plant is rarely met 
with at lower elevations. In the southern part of the 
range it has been found on Peaked Rock, east of Shushan; 
on Willard Mt.; and at Crescent. 
SELAGINELLA APUs (L.) Spring 
The only station discovered for this rare plant was 
at Bolton (?), Lake George (1), (C. H. Hall), July 1880- 
This small Selaginella resembles a Mnium, but may 
be distinguished by its two kinds of leaves. 
Isoetaceae 
IsozTEs Brauni Durieu 
Usually submerged; very rare, 
“Outlet of Luzerne Lake, Warren Co. A very small 
form; Aug. 1867: G. W. C(linton).” N. Y. State 
