Pinnule of fertile Frond— under side. 



HEMITELIA HOSTMANNI. 



Hooker. Fee. Kunze. Presl. 



PLATE LXI. VOL. VIII. 



Alsophila Hostmanni, 



" ? Leprieuriana, 

 Ampkicosmia Hostmanni, 

 Hemitelia surinamensis, 

 Cyathea aspera, 



J. Smith. 



Kunze. 



Mooke. 



MlQUEL. 



Elotzsch. 



Hemitelia — Half-perfect, in reference to the indusium resembling a half-cup. 

 Hostmanni — Named after Dr. Hostmann. 



An ornamental and very rare Fern, only found in our best 

 collections. 



An evergreen stove species. 



Native of Dutch Guiana, where it was found by Dr. Hostmann. 



Introduced into the Royal Gardens, Kew, in 1845, by Mr. 

 H. Cadogan Rothery. 



Fronds bipinnate, glabrous, and lanceolate, pinnae remote, the 

 largest a foot in length; sessile, broad lanceolate, pinnules pin- 

 natifid, oblong, sessile, and obtuse, the base being wedge-shaped; 

 segments or lobes entire, obtuse, sub-falcate, with a rounded 

 apex, the upper ones decurrent at the base, forming a winged 

 rachis. 



Veins simple; venules free. 



Sori medial and distant, only the lowest pair of veinlets 

 bearing a solitary sorus. 



VOL. VIII. 2 A 



