GLOSSARY OF 
acrogenous : growing apically, or by acere- 
tion at the point or apex. 
acuminate: pointed or acute with a nar- 
rowed prolongation. 
adnate: attached by the whole width of 
the base. 
atrial; developed in the air; applied to 
roots produced above-ground, 
amorphous: shapeless, of no definite form ; 
applied to the sori. 
annulus: the ring which girts the spore- 
cases of ferns. 
antheridium: a globular cell containing 
spermatozoids, produced on the germ- 
fronds of ferns. 
archegonia : same as pistillidia. 
areoles : the spaces enclosed between the 
veins when reticulated. 
aristate : awned, furnished with long awn- 
like hairs. 
articulated: furnished with a natural 
joint. 
articulation : a natural joint or joining, 
where the parts when matured separate 
spontaneously. 
asplenioid : having a resemblance to Asple- 
nium, in certain peculiarities. 
athyrioid : having a resemblance to Athy- 
rium. 
auricles ; ear-like projections ; applied to 
projections from the edges of the parts 
of the frond. 
axis: the centre around which develop- 
ment takes place. 
basal: situated at the base ; applied when 
the receptacle is at or near the lower 
end of the veins. 
bifid : two-cleft ; split moderately at the 
end into two divisions. 
bipinnate: twice pinnate; that is, the 
pinne again pinnate. 
dipinnatifid: twice pinnatifid ; that is, the 
, segments again pinnatifid. 
biscrial : in two rows. 
biserrate: doubly serrate; that is, the ser- 
ratures themselves serrated. a 
blechnoid : having some resemblance to 
Blechnum. 
VOL. Il. 
TECHNICAL 

WORDS. 
" cœspitose; growing in a tufted manner. 
calyciform : calyx-like or cup-shaped. 
capillary : hair-like. 
capitate : having a small round knob like 
a pin-head. 
capsules : same as spore-cases. 
caudate; tailed or tail-like. 
caudex : a form of stem in which the fronds 
grow. from the apex or growing 
point. 
caudiciform : having a tree-like stem. 
ceraceous ; of a waxy consistence. 
chartaceous : of a papery or parchment- 
like texture. 
circinate: folded up in a series of convo- 
luted curves. 
clavate : club-shaped, thickened upwards. 
combined : united by a continuous longi- 
tudinal vein ; applied to a peculiar 
form of venation. 
confluent : flowing or running together, ap- 
plied to sori when they spread out so 
as to join those nearest to them. 
connate: blended together at the base ; 
applied to opposite parts which grow 
together at the base. 
connivent : coalescing at an acute angle; 
applied to veins thus united. 
continuous : not jointed; the opposite of 
articulated. 
cornute : horned, having a horn-like pro- 
jection. 
corrugate : having a wrinkled or crumpled 
wavy surface. 
corymbiform : branched like a corymb, the 
branches of unequal length so as to 
become level-topped, or nearly so. 
costa: the midrib of a frond, segment, pinna, 
pinnule, &c. 
costœform : costa-like ; applied when one 
of the lesser veins becomes central to 
ihe part in which it occurs, so as to 
A resemble a midrib. 
costal : of, or belonging to the costa. 
creeping : prostrate and much extended; 
applied to stems which are consider- 
ably elongated in a horizontal direction. 
crenate: notched with shallow rounded or 
convex teeth. 
AA 

