Pinna of mature Frond— under side. 



PTERIS SEMIPINNATA. 

 LiNN.EUs. J. Smith. Kunze. Presl. Fee. Osbeck. 



SCHOTT. 



PLATE IX. VOL. IV. 



Pteris Jlabellata, 

 " deinidiata, 

 " alata, 



SCHKUHE. {Not of ThUNBEEG or K.UNZE.) 

 WiLLDENOW. BlUME. 



Lamabck. Houttuyn. 



Pteris — Brake. 



Semipinnata — Partly-piimate. 



A SINGULAR-LOOKING upright-growing species. 



An evergreen stove Fern. 



Native of the East Indies,, China, Malayan Archipelago, and 

 Java. 



Fronds semipinnate, erect, lengthy, and smooth. Pinnae op- 

 posite, or sub-opposite below, alternate above; pinnate on one 

 side only of the pinnae; decurrent. 



Usual length from twenty-four to thirty-six inches. A plant 

 in my collection has fronds forty-four inches in length, the lower 

 eighteen inches being naked. Rachis and stipes ebeneous, and 

 reddish brown in colour; base slightly hairy. 



Sori marginal and continuous. 

 VOL. IV. D 



