22 POPULAR GARDEN BOTANY. 



ALLOSOEUS. (Rock-brake.) 



Gen. Char. (Qryptogamia Filices.) Margin of the frond con- 

 volute, concealing the masses of thecal 



A.flexuosus is a very pretty species, of a graceful twining 

 or climbing habit, growing about four feet long ; the main 

 rachis is wavy, and the secondary stalks curiously zigzag ; 

 these are pinnated with from three to five pinnules, and are 

 remarkably light and airy in appearance ; the fructification 

 is on the two sides of the pinnule. A, calomelanos is a 

 native of rocky places at the Cape : its bright green fronds, 

 with, black stalks, make it an elegant Fern for the green- 

 house, where it flourishes in a cool place. A. corclatus also 

 requires a cool greenhouse, though it is a native of Mexico* 



CHEILANTHES. 



Gen, Char. (Cryptogamia Filiees.) Sori dot-like, separate, mar- 

 ginal in the recess of the indusium ; indusium either reflexed 

 crenules of the frond, or scale-like, membranous, and arising from 

 the margin, or nearly continuous, opening inwards. 



Named from the Greek for a lip and flower, in allusion 

 to the lip-like form of the indusium. This is a very pretty 



