Tab. CCXXXVII. 



AspiDiUM (Polystichum) f(enicui.aceum, Hook. — p. 36. 

 Fig. 1 . Stipes ; and Fig. 2. Small portion of a fertile frond ; 

 nat. size. Fig, 3. Pinnule ; Fig. 4. Segments of a pinnule ; 

 Fig. 5. Smaller segment of a pinnule, with sorus ; and 

 Fig. 6. Involucre ; all more or less magnified. (The invo- 

 luccres are often more orbicular than here represented.) 



