. 148 CHARACTERS OF TRIBES AND GENERA. 
Type. Meniscium reticulatum, Schreb. 
Tllust. Hook. and Bauer, Gen. Fil, t. 40; Schott. Gen. 
Fil., t. 14; Moore Ind. Fil, p. 34 B.; J. Sm., Ferns, 
Brit. and For., fig. 63; Hook. Syn. Fil., t. 6, fig. 54. 
Oss.—In the “Synopsis Filicum " ten species are 
described, six of which are natives of the tropics of the 
Eastern and four of the Western hemispheres. 
* Fronds simple. 
Sp. M. simplex, Hook. (v v.) ; M. giganteum, Hook. (v v.). 
** Fronds pinnate. 
M. triphyllum, Sw. (v v.); M. serratum, Cav. (v v.) (M. 
palustre, Radd.) ; M. dentatum, Pr. (v v.); M. reticulatum, 
Sw. (v vi: M. angustifolium, Willd. ; M. salicifolium, 
Wall.; M. pauciflorum, Hook. 
63.—Dicrvocuixg, Moore (1855). 
Hemionitis, Hook. Sp. Fil. 
Vernation decumbent, sub-sarmentose. Fronds long 
stipitate, pinnatifid and pinnate, 8 to 4 pairs, petiolate, broad 
lanceolate, acuminate, falcate, 5 to 6 inches long, 1 to 13 
inches broad. Primary veins costeform, combined by 
transverse arcuate or zig-zag anastomosing venules, the 
lower forming one oblong costal areole, the others, three 
series of unequal sub-hexagonal areoles between the primary 
veins. Sori reticulate. Sporangia furnished with one or 
two straight setea. 
Type. Dictyocline Griffithii, Moore. b 
Must. Hook. Fil. Exot., t. 93 ; Moore Ind. Fil., p. 46, A. 
. Oss.—The present genus was founded by Mr. Moore ` 
upon a Fern from Assam, and placed upon account of its ` 
sori being reticulated, next to Hemionites, but it possesses 
