TABLE X. 
Filices. 
polypodiace.e — continued. 
Fig. 1 . Cystopteris. — a. Pinnule, b. Sorus and involucre. 
Fig. 2. Asplenium. — a. b. Pinnules. 
Fig. 3. Scolopendrium. — Portion of a frond. 
Fig. 4. Pteris. — a. Segment of a frond, b. Smaller portion 
of the same. 
Fig. 5. Cryptogramme. — a. Portion of a barren frond, b. 
Portion of a fertile frond, c. Involucre laid open. 
Fig. 6. Blechnum. — a. Segment of a barren frond, b. Pin- 
nule of a fertile frond, c. Portion of a sorus 
and involucre. 
Fig. 7. Adiantum. — a. Pinnule, b. Sorus; the involucre 
laid open, and part of the capsules removed, c. 
Capsule. 
Fig. 8. Trichomanes. — a. Portion of a frond, b. Involucre 
laid open. c. d. Capsules. 
