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GROUP I; GENUS XIV. 
SCOLOPENDRIUM. 
Sori. Situated about midway between the rachis and 
the margin ; elongated and linear, growing 
from the outside branches of each* set of 
parallel veins, so that the clusters are in pairs 
and so close together as to touch. The in- 
dusia of each pair of clusters overlap each 
other when young, but separate in the centre 
when mature. 
Veins. Free. 
GROUP I; GENUS XIV; SPECIES I. 
SCOLOPENDRIUM VULGARE. (Hart's Tongue Fern.) 
Plate XVIII. 
Fronds. Linear and entire, pointed at the apex and 
heart-shaped at the base. Stipes usually about 
one half the length of the entire frond; scaly 
and dark at its base. 
Growth. Erect when young ; lax and drooping when 
mature. Fronds growing in circular tufts. 
