APPENDIX. 
299 
auritum, many-eared; multifido-cristatum, crests many- 
cleft; multiforme, many forms; obtusum, blunt; pro- 
liferum, proliferous ; pulcherrimum, most beautiful; 
ramosum, branched; Saltii, Salt’s; semilacerum, partly 
torn to pieces; serrato-truncatum ; serrulato-bijidum ; 
nnuatum Monhmanii, Monkman’s; tubcrutatum, some¬ 
what crested; suprasoriferum, bearing the sori on the 
Upper side ; Thompsons, Thompson’s ; tortile, twisted ; 
variegalum, variegated; venosum, veined ; virginianum, 
Virginian. 
Polystichitm ACULEATUM (p. 234) ; acrocladon ; 
argutum; neat ; eras sum, fleshy ; cristatum, crested ; 
densum ; dissection, dissected ; dubium, doubtful ; 
elegans, elegant ; furcation, forking ; grandilobum, 
large-lobed; grandiceps (same as acrocladon), large- 
headed ; interruptum, stopped ; laciniatum, slashed ; 
lobatum, lobed ; lonchitidoides (same as lobatum) ; 
oiicaceum ; multijidum ; plumosum , feathery ; prolife- 
r um, proliferous ; pteromorphum — pulchrum, beautiful ; 
subscristalum, somewhat crested; submarginatum, 
somewhat margined ; tenue, slender. 
Poltstichcm angulabe (p. 240).—Some other 
variations of form have been noticed. Acutum, with 
falcate-pointed leafits; alatum, having the leafits 
united at the base by an enlarged wing or lobe on 
e ach side; biserratum, with double-toothed leafits; 
<'ri«tatum, with fronds and leaflets very crisped at 
their tops; confluens, upper leafits confluent; decoin- 
position, being tripinnate; densum, leafits crowded; 
