Pe ee ee eee ee ee See eS aE, eS See eee ag TE Oni eee ee ee 
upper half of the frond forms a panicle of fertile, linear, pedi- 
cellate, pod-shaped, torulose pinaules, which are generally acute ; 
the margins revolute upon the back of the pinne, the edges 
meeting there and forming the zzvolucres to the sori, which 
are in lines upon the branches of the veins. Capsules nume- 
rous, crowded, pedicellate. Sfipes a span or more long, clothed, 
and thickly at the base, with subulate, falcate, delicate, whitish, 
membranaceous scales. Rachis free from scales, slender, flexuose. 
Fig. 1. Portion of a sterile pinna, showing the venation. 2. Fertile pinna, 
seen from beneath, showing the margin rolled in and constituting the involucre. 
3. Portion of the fertile pinna, with the involucre forced back, showing a sorus: 
—magnified. 
