ASPLENIUM. 



535 



which the oblong, short sori (spore masses) are disposed at the rate of from 

 ten to twelve on each side, but always in such a way as to leave uncovered 

 the green margin of the pinna. The general appearance of the plant is that 



Fig. 90. Asplenium ebenum 

 (i nat. size). 



of an erect-growing, elongated form of our own A. Trichomanes. — Hooker, 

 Species Filicum, iii., p. 138. Nicholson, Dictionary of Gardening, i., p. 129. 

 Eaton, Ferns of North America, i., t. 4. 



A. elegantulum — e-leg-an'-tul-um (rather elegant). Synonymous with 

 A. incisum. 



