N2Lc 
I 
THE GENERA AND SfECIES OF CULTIVATED FERNS. 
329 
pinnules oblong-linear, acute, coriaceous, deeply pinnatifid, with roundish ovate, slightly concave lobes, crenate 
at the margin. Kachis, stipes, and midrib of pinna? covered with woolly hair-like scales. Fronds terminal, ad- 
' hcrent to an erect arborescent caudex, three or four feet high. 
2. I), antarctkci, Labillardiere (Cibotium Billardieri, Kaulfuss). — A 
very ornamental evergreen warm greenhouse species, from New Holland 
and Van Diemen's Land. Fronds lanceolate, sub-tripinnate, four to six 
feet long, deep green ; pinna? linear-lanceolate, somewhat drooping ; pin- 
nules linear-lanceolate, rigid, deeply pinnatifid, with ovate, acute, dentate 
segments. Stipes short, and, as well as the rachis, covered with hair-like 
scales. Sori confined to the lower pinnae. Fronds terminal, adherent to 
an arborescent caudex. The largest specimen in cultivation is about five 
or six feet high. 
3. T). squurrosa, Swartz. — A noble evergreen warm greenhouse fern, 
from New Zealand. Fronds ovate-lanceolate, tripinnate, from ten to four- 
Fig. 77. 
teen feet long, dark green ; pinnules linear-oblong 
rior adnate, pinnatifid, with rather ovate 
acute lobes, and small lacerated scales be- y, 
math. Kachis and stipes of a dark purplish M« 
colour, and densely covered with narrow V '-'• 
dark-coloured scales. Stipes muricated. 
Fronds terminal; adherent to an arbor- 
escent caudex. The largest plant in cul- 
inferior distant, supe- 
tivation has a caudex about seven feet high, and nearly ten inches in diameter. 
iniBOTIUJI, Eaulfuss. — Named from kibotion, a little chest ; in allusion to the form 
(y of the indusium. 
Sori somewhat globose, produced on the apices of the venules, and superficially 
seated on the interior edge of the margin or sinus. Indusium coriaceous, consisting 
of two unequal valves, which form a reflcxed adnate, bilabiate, cuc.ullate cyst, con- 
taining the spore-cases, which are pedicellate. Veins forked, or pinnate ; venules 
direct, free. Fronds glabrous or pilose, from five to ten feet long. Rhizome de- 
cumbent or erect. — The peculiar feature that distinguishes this genus from the other 
portion of Dicksonioce is, its superficial gaping indusium, which consists of two un- 
equal valves, the exterior differing in its manner of attachment from the inner valve, 
or accessory indusium ; in the preceding genera this exterior valve is formed of a re- 
flcxed changed crenule, but in this it is produced on the outer base of the sporangi- 
ferous receptacle, exactly opposite to, and of the same structure as, the inner one, 
therefore quite superficial, and independent of the margin of the frond, except in its 
attachment. Fig. 78 represents a pinnule of C. Barometz (nat. size), with an indu- 
sium (magn.) 
1. C. Barometz, J '. Smith (Aspidium Barometz, Willdenow; Cibotium glaucescens, 
Eunze). — A robust growing, evergreen stove fern, from China, Cochin-China, &c. 
Fronds glabrous, nearly erect, broadly-lanceolate, six to ten feet long, bipinnate, 
deep green ; pinnules lanceolate-acuminate, petiolate, glaucous beneath, deeply 
pinnatifid, with linear-oblong acute, slightly crenatc-serrate segments. Stipes 
densely clothed at the base with long woolly fulvous articulated hairs. Fronds fer- 
tile throughout, with one to three sori on each margin of every fertile segment; 
lateral, adherent to a thick decumbent rhizom •, which, from its woolly appearance, 
has given rise to the fabulous story of the Barometz, or the vegetable or Scythian 
lamb. 
2. C. Sehiedei, Schleehtendahland Chamisso. — An elegant, evergreen, stove species, 
from Mexico. Fronds hairy, broadly lanceolate, six to ten feet long, glaucous be- 
neath, bipinnate, light green ; pinnules membranous, drooping, lanceolate-acumi- 
nate, pinnatifid, inferior distant, superior adnate, acute, margin crenate, or slightly 
lobed. Stipes densely clothed at the base, with long bright brown, woolly, articulated 
hairs ; terminal, adherent to an arborescent caudex, attaining the height of two or 
three feet. Sori confined to the lower pinna 1 , and from three to six on each margin 
of the fertile segments. 
v 
Fig. 78. 
Suh. Order— PoLvroDiAcr.E : Tribe — CvATnEiE. 
This very distinct natural tribe contains but few genera, and probably n.it more than seventy or eiditv speeics 
as described by authors. They are all of robust arborescent growth, and, with the genus Lluksoni ,,'inav 
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