148 CHARACTERS OF TRIBES AND GENERA. 



Type. Meniscium reticulatum, Schreb. 

 Illust. Hook, and Bauer, Gen. Fil., t. 40 ; Schott. Gen. 

 Fil., t. 14 ; Moore Tnd. Fil., p. 34 B. ; J. Sm., Ferns, 

 Brit, and For., fig. 63 ; Hook. Syn. Fil., t. 6, fig. 54. 

 OBS. 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, Ca/o. (v v.) (M. 

 palustre, Eadd.) ; M. dentatum, Pr. (v v.) ; M. reticulatum, 

 Sw. (v v.) ; M. angustifolium, Willd. ; M. salicifolium, 

 Wall. ; M. pauciflorum, Hook. 



63. DICTTOCLINE, Moore (1855). 

 Hemionitis, Hook. Sp. Fil. 



Vernation decumbent, sub-sarmentose. Fronds long 

 stipitate, pinnatifid and pinnate, 3 to 4 pairs, petiolate, broad 

 lanceolate, acuminate, falcate, 5 to 6 inches long, 1 to 1J 

 inches broad. Primary veins costseform, 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. 



Illust. Hook. Fil. Exot., t. 93 ; Moore Ind. Fil., p. 46, A. 



OBS. 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 



