eee nas 
CRYPTOGAMIA, 
CLASS XX. 
CRYPTOGAMIA. 
MISCELLA’NES, 
EQUISE’TUM. ..... git mes agg forming an egg~ 
ong, terminating spike. 
LYCOPO’DIUM..... ahs leeexilcy, solitary, naked, 
kidney-shaped, with 1 cell, 
and elastic valves. 
PILULA’RIA, ...,.. Capsules 4-celled, globular, sit- 
ting in the bosom of the leaves 
: at eac 
ISOE’TES, ......... Male flowers solitary, within the 
base of the inner leaves, 
Fem. solitary, within the base of 
the outer leave; capsules 2- 
celled, 
FI’LICES. 
(1) Capsules without an elastic ring; in Spikes. 
OPHIOGLOS’SUM. , . Capsules united by an inveloping 
membrane, so as to iorm 2 
2-rowed, jointed spike. 
OSMUN’DA......+ + Capsules distinct, 2-valved, form- 
, ing a bunch-like spike. 
(2) Capsules roundish, on pedicles, encompassed by a jointed 
elastic ring ; and opening irregularly into 2 parts, 
ACROS’TICHUM. . —— covering the whole un- 
der surface of the leaf. 
P OLYPODIUM. rae. pater orniing distmcgree 
spots on the under surface 
of the leaf 
