BRITISH FERNS 
BiripuM.—Found in several places; tips of frond 
and pinne irregularly forked. 
CAUDATUM (Fig. 118).—Found at Eastwood by Mr. 
Stansfield ; frond tips reduced and undivided, forming 
a tail. 
CONCINNUM.—Found in several places; a very nar- 
row form, with toothed, rounded segments which, 
however, are sometimes irregular in 
size. In the best form— 
! C. DRUERY, found by the writer 
on Exmoor, the pinne are regularly 
rounded апа sharply and evenly 
toothed, the barren fronds being less 
than half an inch wide by nine inches 
‚long, and like a string of scallop shells ; 
the fertile are merely beaded stalks. 
CONFERTUM (Fig. 119).— Found Бу 
Mr. Clapham in Yorkshire. А dwarf, 
dense form with crowded pinnae, really 
an imbricatum. 
CONFLUENS.—A form found by the 
writer in the Gap of Dunloe, on Dart- 
moor, and near Tintern Abbey, lin 
which the pinnae are joined together 
towards the frond tip. ES 



CoNGESTUM. — A densely congested X 
form found by Mr. Crouch in Wastdale. $ 
CoNTRACTUM.— Found in North 
Wales by Mr. J. Holmes; an extreme 
form of Strictum. 

CONTRACTO - RAMOSUM. — Found in 
Scotland by Mr. Horsfall; a branched 
form of contractum. 
CRENATO - CONGESTUM. — Found in 
Patterdale by Mr. W. Forster; pinna 
densely congested and blunt-toothed. 
В. s. confertum. 
В. s. caudatum. 

