AN ENUMERATION OP CULTIVATED FEUNS. 



241 



130. SCHIZOCJENA, /. 8m. 



Vernation fasciculate, 

 erect, slender, arborescent. 

 Fronds simple, pinnate or 

 bipinnatifid, 2-8 feet long, 

 smooth, stipes adherent, 

 pinnae articulated with the 

 rachis. Veins pinnately 

 forked ; venules free. Sori 

 medial. Receptacles glo- 

 bose. Indusium calyci- 

 form, ultimately deeply 

 laciniated. 



1. S. sinuata, J. 8m. 



Gen. of Ferns 

 (1841). Cyathea 

 sinuata, Hook, 

 et Grev. Ic. Fil. 

 1. 106. Ceylon, 



Genus 130. Portion of fertile pinna, 

 natural size j ditto enlarged. No. 1. 



131. CYATHEA, 8m. 



Vernation fasciculate, erect, arborescent. Fronds bi-tripinna- 



tifid, 5-15 feet long; 



% 

 rfra& 



pinnae and pinnules in 

 some species articu- 

 lated with the rachis. 

 Veins forked ; venules 

 free. Sori axillary. 

 Receptacles columnar. 

 Indusium complete 

 calyciform, its margin 

 entire or unequally 

 laciniated. 



Genus 131. 



-Portion of fertile pinna, under side. 

 No. 5. 



* West Indian and American species. 



1. C. arborea, 8m. Polypodium rboreum, Linn. (Plum. Fil. 

 1. 1 et 2). Disphenia arborea, Presl. Cyathea elegans, 

 Hew. ; Hook. Gen. Fit. t. 23. Cyathea Grevilleana, 

 Hart. Disphenia Grevilleana, Kunze. West Indies. 



