116 Ferns and Fern Culture. 
(the Brittle Bladder Fern), C. f. Dickieana, C. montana 
(the Mountain Bladder Fern), Lastrea pseudo-mas crispa, 
L. p.m. crispa cristata, Lastrea rigida (the Rigid Buckler 
Fern), Polypodium dryopteris (the Oak Fern), P. 
phegopteris (the Beech Fern), P. Robertianum (syn. 
calcareum, the Limestone Polypody), P. vulgare cornu- 
biense Fowlerii, P. v. elegantissimum, Polystichum ang. 
Bayliz, P. a. parvissimum, P. a. proliferum densum, P. 
lonchitis (the Holly Fern), Scolopendrium vulgare (the 
Hartstongue Fern), S.v. Coolingii, S. v. cristulatum, 
S. v. densum, S. v. digitatum, S. v. endivefolium, S. v. 
fissum, S. v. grandiceps, S. v. marginatum tenue, S. v. 
ramo-cristatum. 
SCOLOPENDRIUM VULGARE. 
Medium-sized species and varieties which grow from 
one to two feet in height. 
NortH AMERICAN.—Aspidium cristatum, A. Nove- 
boracense, A. rigidum argutum, Asplenium thelypte- 
rioides, Dennstzedtia punctilobula, Lastrea intermedia, L. 
marginale, Onoclea sensibilis, Polystichum acrostichoides 
P. Braunii, Woodwardia Virginica, Struthiopteris 
Germanica (European). 
BritisH.—Athyrium F.f. capitatum, A. F.f. cristatum, 
A. F.f. Fielde, A. F.f. Frizelle cristatum, A. F.f. 
irdlestoneii, A. F.f. Kilmoryensis, A. F.f. Mooreii, A. 
F.£. polydactylum, A. F.f. princeps, A. F.f. pulcherrimum, 
A. F.f. Smithii, A. F.f. stipatum, Lastrea emula (the 
