~ii CHAEACTEES OF TRIBES AXD GEXEEA. 



tork of tlie vein; ScJii;;oci:eiia therefore depends for its 

 separation from C'latliea more upon the distinct habit of 

 the species than in the character of the sori. 



Sp, S. sinuata (Eool: anJ Grec.) (v v.^ : S. Brunonis 

 (Wall ) {Bedd. F. Brit. InJ. pi. 87) ; S. alternans (Wall). 



Obs. — The first is a simple fronded species, a native of 

 Ceylon, the two latter have pinnate and bipinnate fronds, 

 and are natives of Penano- and Malacca. 



loO.— Ctathea, Sm. (1793). 

 Eoul:. Sp. FlI. (in part). 



Vernation fasciculate, erect, arborescent, squamiferotis. 

 Fronds bi-tripinnatifid, -5 to 1-5 feet Ions' ; pinna= and pin- 

 nules in some species articulated rrith the rachis. J'eins 

 forked ; venules free. Sori axillary. Beceptaclrs columnar. 

 Iddiisium complete calyciform, its margin entire or uneciually 

 laciniated. 



Type. Pc'hjpodiiim arhoret'm, Linn,. 



Illust.— Hook, and Bauer Gen. Fil., t, 23 ; Moore Ind. 

 Fd,, p. 84, A ; J. Sm. Ferns, Brit, and For.. %. 131 ; 

 Hook. Syn. Fil., t. i. 



Obs. — In the "Species Filicum" thirty-six species are 

 described, excluding- Schizorren-a, which number is in the 

 ''Synopsis" increased to fifty, of which twenty-two are 

 American, nine African, eleven Indian and JIalavan, and 

 ten Polynesian, Austi'alian, and New Zealand. In the 

 Addenda of the ''Synopsis" twenty-five species are enume- 

 rated, of which the greater number are new. Many of 

 them present great uniformity in the character of the 

 fronds. It is probable that on better accjuaintance with 

 the natm-e of their stems, and with other peculiarities of 

 habit, sufficient differences will be found to justify their 



