CHARACTERS OF TRIBES AND GENERA. 
l TROPICAL, SOUTH ÅFRICAN AND ÅSIAN ISLANDS. 
Sp. C. canaliculata, Willd. (v v.); C. lævigata, Willd. 
(v v.); O. excelsa, Sw. (v v.); C. marattioides, Willd. 
C. glauca, Bory.; C. Dregei Kze. (v v.); C. Manniana, 
Hook. (v v.); C. Camerooniana, Hook.; C. Welwitschii, 
Hook.; CO. Angolensis, Welw. ; C. Kirkii, Hook. ; C. sechel- 
latum, Meit. 
East INDIAN AND MALAYAN. 
C. spinulosa, Wall.; C. javanica, Hl: C. crenulata, PL 
C. integra, J. Sm. (v v.) ; C. Hookeri, Thw. (v v.) 
POLYNESIAN ISLANDS, ÁUSTRALIA, AND NEW ZEALAND. 
C. affinis Sw. ; C. Cunninghami, Hook. (v v.) ; C. deal- - 
bata, Sw. (v v.); C. medullaris, Sw. (v v.) ; C. Smithii, 
Hook. (v v.) 
131.—Hzurrzu, R. Br. (1810). 
Hook. Sp. Fil. ; Cyathea sp. auct. ; Cnemidaria, Pr. 
Vernation fasciculate, erect, arborescent. Fronds bipin- 
'natifid, 4 to 8 feet long, stipes smooth or aculeated. Veins 
simple, pinnately forked; venules all free, or the lower 
pair of the lowest fascicles angularly anastomosing, forming 
a costal arch or more or less acute angle. Sori medial. 
. Receptacles globose. Indusium semi-calyciform. 
— Type. Cyathea grandifolia, Willd. 
Ilust. Hook. and Bauer Gen. Fil., t.4; Hook: Fil. Exot, 
t. 66; Moore Ind. Fil., p. 84, B; J. Sm. Ferns, Brit. — 
and For., fig. 132. = 
Ors.—In the second edition of the “Synopsis Filicum” 
thirty species are recorded as belonging to this genus; but. 
as the greater number agree in habit, and character of the - 
