244 CHARACTEES OF TRIBES AND GENERA. 



fork of the vein ; ScTiizoccena therefore depends for its 

 separation from Cyathea more upon the distinct habit of 

 the species than in the character of the son. 



Sp. S. sinuata (Hook, and Grev.) (v v.) ; S. Brunonis 

 (Wall ) (Bedd. F. Brit. Ind. 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 Penang and Malacca. 



130. CTATHEA, 8m. (1793). 

 Hook. Sp. Fil. (in part). 



Vernation fasciculate, erect, arborescent, squamiferous. 

 Fronds bi-tripinnatifid, 5 to 15 feet long ; pinnae and pin- 

 nules in some species articulated with the rachis. Feins 

 forked ; venules free. Sori axillary. Receptacles columnar. 

 Indusium complete calyciform, its margin entire or unequally 

 laciniated. 



Type. Poly podium arbor -eum, Linn. 



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

 Fil., p. 84, A ; J. Sm. Ferns, Brit, and For., fig. 131 ; 

 Hook. Syn. Fil., t. 4. 



OBS. In the "Species Filicum" thirty-six species are 

 described, excluding Schizocoena, which number is in the 

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

 American, nine African, eleven Indian and Malayan, and 

 ten Polynesian, Australian, 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 acquaintance with 

 the nature of their stems, and with other peculiarities of 

 habit, sufficient differences will be found to justify their 



