X'gg Cryptogamia . 
Lycopodium. Gen . c/mr.— Capsules axillary, single, 
two-valved, naked, slightly kidney-shaped, compressed. 
Lyc. Clavatum, Common Clubmoss ; with scatter*, 
ed filamentous leaves; flower-bearing stems, bristly. 
Not uncommon in elevated heaths, and readily distin- 
guished by its long, trailing, branched stems, and erect 
flower-stalks, which are sometimes divided into two or 
three spikes. 
Lyc. Selago, Fir Clubmoss ; with entire lance- 
shaped scattered leaves, and erect divided stem. In 
moist places on mountainous heaths. 
Polypodium. Gen . char.—— Fructifications in round- 
ish points ; scattered ; not marginal ; no involucrum. 
Pol. Vulgar e, Common Polypody; with pinnatifid 
frond, lobes oblong, somewhat serrated, obtuse ; root 
scaly. Common on walls and on the trunks of trees. 
Pol. Phegopteris, Pale Mountain Polypody ; with 
pinnated frond ; leaflets lance-shaped, pointed, pinnati- 
fid, united at the base, the lowest reflected. In fissu- 
res of rocks and moist places, in elevated situations, but 
not very common. 
Aspidium. Gen. char — Fructifications in round- 
ish points, scattered, not marginal, involucrum urhbili- 
cated, opening almost on all sides. 
Asp. Filix Mas. Male Fern ; with doubly pinnated 
frond ; leaflets, obtuse, serrated, with chaffy footstalk ; 
involucrum bent inwards. Common in woods and shady 
places. 
Asp. Acids atum , Common Prickly Shield Fern ; with 
doubly pinnated frond, leaflets ovate, crescent- shaped. 
