218 Rhodora [ DECEMBER 
FERNS OF MARANACOOK, MAINE. . 
GEORGE E. DAVENPORT. 
DuniNG a brief vacation at Lake Maranacook I made out the follow- 
ing list of ferns which I saw growing in that vicinity. 
Adiantum pedatum, L. One locality only, near the border of an old, 
woodland stream among stones; plants not plentiful, and of medium 
size ; no unusual forms seen. 
Aspidium acrostichoides, Swz. Frequent, nearly always in deep 
shade and with margins variously serrated ; some specimens approach- 
ing the incised form. 
Aspidium Boottii, Tuckerman. Scarce, only one clump seen, but 
that one characteristic. No Aspidium seems to puzzle collectors more 
than this, yet it may nearly always be distinguished from A. cristatum 
by its glandular indusia. These are more or less persistent, and it is 
seldom that one, even when much contracted, cannot be found showing 
traces of glands. 
Aspidium cristatum, Swz. Scarce, only a few plants seen, one ap- 
proaching var. C/infonianum, and especially interesting, as it was like 
forms which I have had under cultivation since 1893, that are inter- 
mediate between typical 4. cristatum and var. Clintonianum. On 
some of the pinnae of this plant, as on my own specimens, part of the 
indusia were convex and part plane or concave. 
Aspidium marginale, Swz. Seen in one locality only. 
Aspidium Noveboracense, Swz. Plentiful. 
Aspidium Thelypteris, Swz. Also plentiful. At Monmouth fish 
hatcheries a few peculiar dark green sterile fronds, in shade, resem- 
bling A. molle were observed. 
Aspidium spinulosum, Swz. Frequent, including forms dilatatum 
and intermedium. 
Asplenium Filix-foemina, Bernh. Everywhere, in many forms. 
Botrychium lanceolatum, Angs. and B. matricariaefolium, R. Br. 
Both scarce’ (only four specimens found), in vegetable mold of deep 
woods, with the next two. 
Botrychium ternatum, Swz. Only a single specimen found, but that 
like some of Mrs. Barnes’ plants from North Woods, N. Y., and near 
typical B. ternatum, although I know that Professor Underwood would 
not now accept it as such; but then I do not accept his treatment of 
this species. 
