Cluster 
8. vULOARE; fronds very variable; normally 
LIL 
Piare 3 
THE COMMON HARTS-TONGUE FERN 
(SCOLOPENDRIUM VULGARE). 
SCOLOPENDRIUM, Smith. 
ht, growing in proximate parallel pairs, 
sof eases linear or oblo 
on the anterior and posterior branche jacent fascicles of veins, indusiate 
Indusium linear, attached to the venules te sides of the proximate sori 
the free margins face to face, at first separating down the 
s, which з confluent int 
orked, from the prominent m 
centre of the twin so 
у 
isunited at their apices, which are club-shaped, (rarely anastomosi 
car or obloı 
to at the bı 
with narrow scales, 
у-н strap-shaped, 
1 or 
entire at the margin, attenuate at the apex, cor 
slightly hair-sealy on the midrib beneath ; stipes 
ar strap-shaped, subtrunca 
толвситәив; fronds 1 
distantly lobed, and irregularly erenate; fertile 
Var. сокхотои; fronds strap-shaped, erenated ог usually obtuse, with the 
midrib exeurrent below the apex, forming a horn projecting from either surface. 
Var. YARGINATUM Is lincar strap-shaped, t at the baso, the margin inciso 
the under surface, near the margin, ¢ 
Tobate, the epidermi 
lobed exeurrent membrane, which, as well as the frond itse 
светом: fronds strap-shaped, the margins undulated, the b 
Шу many-times fureately divided, the divisions 
plane or y 
