FELICES. 
P. dentatum of the Sp. Pl. (1553.) as Cyathe@ (see Flor. — Filices. 
illdenow, A, $7380 SN 
antartica, is 
p- 100, tab. 249. 
Of this genus, which wasdiscovered by Brown in New 
pean only one species as yet known, viz, 
ie af taney we fey epee 
iG guaolan. along: mortise Honk, sud oor 
aoe 
lerum estimatio, unde certior eruetur 
5 gt tum partialis. (Jussieu, Gen. Plant. 
me years. since Brown. observed the cup-like ins 
volucrum in Woodsia ( Pol , Willd. Pl&. 
and Sm, Flor. Britannic.) and he has since 
ly ascertained it in Woodsia ilvensis, In fact, 
isti; . #5. specian, 
Smith describes the P. ilvense (With.) and hyperboreum 
wartz as one name of P.arvonicum. 
tote or five inches 
a Cyathea, (Sm. Act, Taur. v. 5. 416. P. 
> podium, Gen. Pl. 560. pecned 15.) = 
es in round distinct attached to a he- 
groups, atta ah 
Smith at first considered three of the 
‘olypodia, viz. the P. fragile, P. regium, and 
843 
Brit. p. 435.) ; but Swartz and 
—81) have arr. these species with Aspidium ; and 
in fact, none of the Cyathew have as yet been found in 
Europe. ies de- 
: Nearly the whole of the sixteen 
scribed by Willdenow have erect stems. The C.5 
ciosa, found by Humboldt and Bonpland, near Cari 
> onyed pees, has, like ew ad Eich, 
a , being twenty-four feet in height ; 
povige tina gaciy spreading, and extending five feet 
broad, a foot long, 
and the pinne peti linear, an 
c Y pointed, and wedge- 
at their origin ; sinuate, and dentate along their 
. The groups of fruit in this, as in several of 
the species, are placed sparsely along the margin of the 
The C. arborea is by no means the most remarkable 
for the length of its stem, which is very hard, and co- 
vered with the scales, so frequently abounding in the 
whole series. This fern is the P. arboreum of Sp. Pl. 
wears Rumphius (Amd. p. 62. t.27.) describes other 
much akin to this West Indian ies. The C.ex- 
celsa, (Arborea, Bory.) is found in the Mauritius, with a 
stem twenty-five feet hi : The C. gence, is another 
magnificent fern, Bory. (/éin. 206.) in the 
mountains of the Isle de Bourse.” The fron have 
not hitherto been brought to Europe; but we may, in 
some degree, i 
(ex pede Herculem) from that of their b aearr. which 
cereeien rite eighteen inches long. In 
i i les are situated, 
on nai of the mhidle bof the pinnule. The ye 
cific term glaucus, is derived from the colour of the 
under part of the pinnul, whicli, when viewed by the 
microscope, seems to be owing to the minute scales with 
which are covered. Several species, as the C, 
‘a C. horrida, have their stem and stipites eco+ 
vered with hard prickles. The C. villosa, lately found 
ne and ee | is remarkable for having 
of capsules inv with a woolly covering. 
The Cyathea et AL ke yy of Forster ; 
S is, Bernh.) is for the abundance 
that saccharine gummy juice which isso common, in 
ee ee in the stems of the whole se- 
i as an article of diet by the inhabitants 
Brown has already demonstrated the necessity of se~ 
aes. ae C. multiflora, Sra. -Horrida, Sm. Capensis, 
.and others as yet undescribed, from Cyathea, under 
the designati of’ Hemitelia, on.account of their arched 
involucrum, with a semicircular base, inserted under the 
receptacle. 
(5.) Trichomanes, (Willd. 1981.) — 
brevisetum, (Br. Prodr.) Hymenophyllu 
alatum, (Eng. Bot. 1417, p. 159.) is the onl species 
watine of Betas an te i anf 7 onan 
alatum native of the southern mountains. of Jamaica, 
a specific name has been given to our native 
ern 
lum. 
