VII. LASTREA. 115 
. : fronds narrow linear-oblong, pinnate ; pinnte 
short triangular-oblong, with oblong pinnules or segments 
which are nearly always connected at the base, crenato- 
serrate or obscurely lobed, with aristate teeth; inferior 
and superior basal pinnules nearly equal in size. 
LASTREA CRISTATA, Prcsl: Bab. Man. 410: Newm.203: Florigr. 
Brit. iv. 107. LASTREA CALLIPTERIS, Newm. ASPIDICM CRISTA- 
TUM, Swnrtz : Sm. Eng. Fl. iv. 276 : Eng. Hot. 2125 : Hook, and 
Arn. Fl. 569 : Franc. 30. POLYPODIUM CRISTATCM, Linnseus (in 
part). POLYPODICM CALLIPTERIS, Ehrhart POLYSTICHDM CEIS- 
TATDM, IlOth. LOPHODIUM CALLIPTiBIS, NeWHl. App. XiX. 
y3. itliginosa : fronds (earlier fertile ones) narrow, linear- 
lanceolate, bipinnate below ; pinnules oblong-acute, mostly 
adnate, inciso-serrate or lobed, with aristate teeth : inferior 
and superior basal pinnules nearly equal in size. 
LASTREA CRISTATA, rar. TJWGINOSA, Moore, Trans. Bot Soc, 
Edin. iv., 109 ; and Phytol. iv., 149 : Bab. Man. 410. LASTBEA 
DLIGINOSA, Newman. ASPIDIDM SPINUI.OSDM, Hook, and Arn. Fl. 
571 (iu part). ASPIDIUM SKNULOSCM, vur. CLIGINOSUM, A. Braun. 
y. spinulosa : fronds narrow oblong-lanceolate, bipin- 
nate; pinnules oblong-acute, incised or pinnatifid, with 
aristatety toothed lobes; inferior basal pinnules much 
larger than the superior ones. 
LASTREA SPISUI.OSA, Presl: Bab. Man. 410. LASTREA SPINOSA, 
Newman : Florigr. Brit. iv. 108. LABTREA DILATATA, var. LINEAIIIS, 
Bab. Man. 1 ed. POLTPODIUM CRISTATDM, Liunoeus (iu part). 
POLYPODIUM SPINDLOSUM, Muller (1770): Withering (1796). 
POLYPODIUM FILIX-F<EMINA, var. spisosA, Weiss (1770j. POLYS- 
TICHDM 8PINO8DM, Roth. LOPHODICM SPINOSUM, NeWHl. App. 
xviii. 
The Crested Buckler Fern has a stout short decumbent 
or slowly creeping caudex, which occasionally emits a 
lateral branch, and produces numerous dark brown matted 
