300 
APPENDIX. 
depauperatum, often so deficient in leafy surface as to 
have little but the mid-ribs ; dissimile, leafits irregular 
in shape, and leaflets varying in form; grandidens, 
leafits cut into large teeth; hastulatum, leafits with a 
prominent pointed ear; imbricatum, leafits roundish 
and imbricated; incisum, like sub-tri-pinnatum only 
with upper leafits more cut and jagged; irregulare, 
leafits variable, and upper leaflets defective in leafy 
surface ; prtemorsum, leafits abruptly terminated, and 
jagged j sub-tri-pinnatum, fronds sub-tri-pinnate, 
leafits at base of leaflets sub-pinnate; abruptum 
(same as prtemorsum), ending abruptly; absimile, 
very unlike; achurodes; acrocladon ; aculeatoides; 
aculeatoides cristatum, crested; aculeatum, prickly; 
acuminatum, taper-pointed; acutale, sharpened; acuti- 
dentalum, sharp-toothed; acutifrons, pointed-fronded; 
acutilobum, pointed-lobed; acutum dissectum, dis¬ 
sected ; acuto-gracile, graceful-pointed; affine, re¬ 
lating to, neighbouring; affluens, abounding; amplexi- 
caule, embracing the stem; angustifrons, narrow - 
fronded; angustipinnulum, narrow-pinnuled; augus- 
turn, narrow; apiculatum (same as furcatum); arctatum, 
narrow; aristatum, bearded ; ascendens, ascending ; 
athyrioides, Athyrium-like; attenuatum, tapering-off; 
attenuato-cristatum, taper-crested; Haylite; bilobatum, 
two-lobed; bipinnulum, two-pinnuled; biserratum 
crispatum, curled; biserratum decompositum, decom¬ 
pound ; biserratum incompletum, incomplete ; biserra- 
turn laxum, loose; biserratum quadratum, squared; 
