CATALOGUE OE EERRS. 
71 
with which it connives, forming a reflexed, unequal, bilabiate, 
sporangiferous cyst, constituting large globose sori. 
1. X>. arborescens, HHerit.; HooJc. Sp. Fil. t. 23. D. auri- 
coma, Spreng. Balantium auricomum, Kaulf ; Presl. 
Dicksonia integra, Sw. — St. Helena. 
2. D. antarctica, Lab. Nov. Holl. t. 249. Balantium antarc- 
ticum, Presl. Cibotium Biliardieri, Kaulf. — Australia. 
3. D. squarrosa, Sw. ; ScJiJc. Fil. t. 130. — New Zealand. 
4. D. lanata, Colenso ; HooJc. Sp. Fil. t. 23. — New Zealand. 
105. CIBOTIUM, Kaulf 
(Pinonia, Gaud.) 
Vernation fasciculate, decumbent, or erect and arborescent, 
densely criniferous. Fronds tripinnatifid, 5-15 feet long, gene- 
rally glaucous beneath. Veins forked or pinnate ; venules free. 
Accessory indusium concave, cucullate, adnate on the margin, 
larger than the special indusium, with which it connives, form- 
ing a reflexed, bilabiate, cucullate, sporangiferous cyst, constitu- 
ting dentiform sori. 
1. C. Schiedei, ScJilecJit. ; HooJc. Sp. Fil. t. 30 A. — Mexico. 
2. C. Barometz, J. Sm. Gen. Fil. Cibotium glaucescens, 
Kunze , Fil. t. 31. — China. 
106. THYRSO PTEEI S, Kunze. 
(Panicularia, Colla.) 
Vernation fasciculate, arborescent. Fronds decompound -mul- 
tifid, the fertile portion contracted, paniculate. Veins pinnate ; 
venules free, their apices forming soriferous pedicels. Accessory 
and special indusia equal, uniform, constituting a calyciform 
cyst, including sessile, compressed sporangia, seated on an ele- 
vated, globose receptacle. 
1. T. elegans, Kunze , Fil. t. 1 ; HooJc. Gen. Fil. t. 44 A. — 
Juan Fernandez. 
