120 Ferns and Fern Culture. 
B. s. plumosum (syn. B. s. serratum, Airey’s No. 1), a 
beautiful variety, with deeply-serrated and sometimes 
tripinnate fronds, which attain a length of eighteen 
inches. B. s. trinervo-coronans, a very pretty crested 
variety, one of the nicest of the genus. 
Cystopteris alpina (the Alpine Bladder Fern, syn. C. 
regia), a handsome species, fronds finely cut. 
Lastrea dilatata spectabile, a dwarf and very pretty 
variety, the fronds finely and distinctly cut ; L. pseudo- 
mas cristata fimbriata (syn. L. p. m. plumosissima), a 
very handsome variety, fimbriated, crested, much lighter 
in appearance than the old cristata, compact in habit, 
graceful, and makes a very pretty specimen. L. p.m, 
ramosissima, a distinct variety, much branched and 
crested ; L. montana coronans, a beautiful variety, fronds 
narrow, crested, and compact in habit; L. m. ramo- 
coronans, similar tothe preceding, but the fronds branched 
and the whole appearance of the plant more pleasing. 
Polypodium v. Cambricum Prestonii, a beautiful 
plumose form of the Welsh Polypody; P. v. grandiceps, 
a heavily crested and very handsome variety; P. v. 
multifido-cristatum, fronds much branched and crested ; 
Pp, v. trichomanoides, fronds dense, cut into numberless 
fine segments, light green, and very pretty. 
Polystichum angulare congestum, dense, overlapping 
foliage; P. a. divisilobum decorum, produces large, broad, 
drooping fronds, divided into small pinnules; P. a. d. 
laxum, a very handsome variety, finely divided and 
graceful; P.a.d. plumosum, one of the most beautiful 
Ferns in cultivation, the fronds long, very broad at the 
base, pinnules densely overlapping, producing a moss-like 
appearance, finely cut, and elegant in the extreme; P. a, 
foliosa crispum, fronds dense, foliose, and crisp in 
appearance; P. a. folioso multifidum, a pretty variety, 
fronds very leafy, crested; P. a. gracile, a very pretty 
graceful variety ; P. a. grandiceps, erect in habit, narrow 
fronds, bearing a dense crest, very handsome; P. a. 
Pateyii, a plumose form of considerable beauty; P. a. 
plumosum, a large and exceedingly handsome plumose 
variety, makes a grand specimen ; P. a. plumoso divisi- 
lobum gracile, very beautiful, finely cut, and graceful. 
