Boutoniane. N. O. Filices. 
DCCCCXXXI. 
ASPIDIuM (Lastrea) Bouronranum, Hook. 
Fig - 1. Lobe of a pinna, showing the clavate apices to the 
veins. J. 2. Fertile lobe, seen from beneath. f. 3. Involucre: 
—magnified, 
