Portion of mature Frond— under side. 



CHEILANTHES ALABAMENSIS. 

 KuNZE. Hooker. J. Smith. Tee. 



PLATE XVII. A. VOL. IV. 



Pteris Alahamensis, Buckley. 



" gracilis, E-ugel. Michaux. Swaetz. 



" " PUESH. NUTALL. 



Allosorus gracilis, Peesl. 



Cheilanthes — From the Greek; a lip, and a flower. 

 Alahamensis — Named from Alabama, where found growing. 



An interesting dwarf Fern, but little known in cultivation 

 in this country. 



A greenhouse species. 



Native of Canada, Southern United States, growing on 

 limestone rocks, on the banks of the Tenessee River, Alabama. 



Fronds glabrous, sub-coriaceous, lanceolate, and acuminate ; 

 below, bipinnate; above, pinnated-pinnatifid. Primary pinnae 

 approximate. 



Sori continuous all round the lobes and pinnules. 



Caudex creeping, brown in colour, with brown woolly scales. 



Stipes, rachis, and main secondary rachis glossy black, and 

 hirsute. 



Length of frond from three to five inches. 



For a plant and fronds of this species I am indebted to 

 Mr. Joseph Henderson, of Wentworth, and to M. Schott, of 

 the Imperial Gardens of Schonbriinn. 



VOL, IV. G 



