AN ENUMERATION OF CULTIVATED FEKNS. 241 



130. SCHIZOCJENA, J. 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, /. 8m. 



Gen. of Ferns 

 (1841). Cyathea 

 sinnata, Hook, 

 et Grev. Ic. Fil. 

 1. 106. Ceylon. 



Genus 130. Portion of fertile pinna, 

 natural size ; ditto enlarged. No. 1. 



131. CYATHEA, 8m. 



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



tifid, 5-15 feet long; 



pinnae and . pinnu1 ?? 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. 6. 



* West Indian and American Species. 



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

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

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

 Mart. Disphenia Grevilleana, Eunze. West Indies. 



