CHARACTERS OF TRIBES AND GENERA, - Ee 
Type. Asplenium decussatum, Sw. 
lllust. Hook. and Bauer Gen. Fil. t. 56, A., B. ; Moore 
Ind. Fil, p. 42, A. ; J. Sm. Foris Brit. and For., fig. 
115; Hook. Syn. Fil., t. 4, fig. 38, G. 
Oss.—The species of this genus agree in habit with 
Diplazium, but differ in the venation being anastomose. 
* Fronds pinnate. 
Sp. C. prolifera, Bory. (v v.) (Asplenium decussatum, Sw. ); 
C. accedens (B1.) ; C. spinulosa, (Bl.); C. undulosa (Sw.). 
** Fronds bipinnate. 
C. esculenta (Sw.) (v v.). Pre 
Oss.—This species has the honour of being ranked under — — 
seven genera, namely, Hemionitis, Konig. ; Asplenium, $w.; — — 
Diplazium, Sw. ; Anisogonium, Presl; Digrammaria, Fée and. ` — : 
Hook.; and Microstegia, Presl, which, with the different du 
‘Specific names, under these genera, raised the number of  - S 
. Synonyms to thirty. The whole of the species are widely oe 
distributed throughout India, Malay, and the Pacific. C. 
undulosa is a native of Martinique, and in the “ Synopsis," 
Several species are described from tropical America. 
t 
191.—ASPLENIDICTYUM, J. Sm. (1854). 
Asplenium Sect. Asplenidictyum, Hook. Ic. Pl. 
Asplenium Sect. Hemidictyum, Hook. Sp. Fil. 
. Vernation fasciculate, erect. Fronds pinnate, 1 to 2 feet ` 
high, pinnæ elliptical-lanceolate, 3 to 8 inches long, 13 to ` 
3 inches broad, obtuse or long acuminate, entire, or : 
E unequally laciniated, base oblique cuneate; coste obscure, - 
evanescent. Veins uniform, angularly anastomosing, form. _ 
ing elongated subtransverse areoles, without free marginal 
