Mature Frond— upper side. 



CHEILANTHES ARGENTEA. 



KuNZE. J. Smith. Hooker, 



PLATE XII. 



VOL. IV. 



Aleuritopteris argentea, 

 Pteris argentea. 



Allosorus argenteus, 

 Casseheera argentea, 

 Pteris pedata var. Sihirica, 



Fee. 



Gmelin. Swartz. Link. 



Langsdorff and Fischer. 



(Not of BORY.) 

 Presl. 

 J. Smith. 



LlNN^US. 



Cheilanthes — From two Greek words, signifying a lip, and a flower, in 

 reference to the form of the seed-organs. Argentea — Silvery. 



A CHARMING, dwarf, evergreen Fern, of a rich dark green 

 colour above, whilst beneath it is copiously covered with 

 a white farinose powder. 



An evergreen greenhouse species. 



Native of Siberia — in the fissures of rocks on the river 

 Katunja — Altai, Kamtschatka, Dahuria, and Lake Baikal. 



Introduced into England in the year 1823. 



