174 
P. ancutare. Angular-leaved Shield Fern. Fig. 1731. 
Frond lax, bipinnate; pinnules truncate below, distinctly stalked. 
Sheltered woods. 2-3 ft. Perenn. July, Aug. #. B.S.2776. EH. B.2. 
1418. H.& Arn.584. Bab. 4.423, 5.425. N.173. 8S. F218. 
Genus 6. CysToPrrTERIs. 
C. rraciuis. Brittle Bladder Fern. Fig. 1732. 
Frond lanceolate, bipinnate; pinne lanceolate, pinnules ovato-lan- 
ceolate, sharply toothed. Rocks and walls. 2-12in. Perenn. July. 
EB. B.1.1587. #£.B.2.1427. H.& Arn. 587. Bab. 4. 423, 5.425. 
N.155. S.F.19. 
C. ancustaTa. Narrow Bladder Fern. Fig. 1733. 
Frond oblong-lanceolate ; pinnules lanceolate, acute, cut, more or less 
decurrent. Loose stone fences. 4-10 in. Perenn. July. 2. B.S. 
2790. #.B.2. 1428. N.156. S.F. 20. 
C. pentata. Toothed Bladder Fern. Fig, 1734. 
Frond lanceolate, bipinnate; pinnules ovate, blunt, bluntly toothed. 
Rocky places. 4-6in, Perenn. July. #.B.1. 1588. #. B.2. 1426. 
Bab. 4.424, 5.425. N.154. S.F. 21. 
C. atpina. Alpine Bladder Fern. Fig. 1735. 
Fronds lanceolate, bipinnate ; pinnules confluent, oblong-ovate, deeply 
pinnatifid ; lobes broadly and shortly linear, with two or three erect 
blunt teeth. Low Leyton, Essex. 4in. Perenn. July. #.B.1. 
163. #£. B. 2.1429. H.& Arn, 587. Bab. 4.424, 5.426. S.F.23. 
C. montANA. Mountain Bladder Fern, Fig. 1736. 
Fronds triangular, tripinnate; pinnee and pinnules spreading, lobes 
toothed at the apex. Scotch mountains. 6-8 in. Perenn. Aug. 
HI. § Arn.587. Bab.4.424, 5.426. N.98. 8S. F. 24. 
C. Dicxreana. Broad-leaved Bladder Fern. Fig. 1737. 
Fronds ovate-lanceolate, pinnze overlapping, A variety of C. dentata. 
Near Aberdeen. 3-4 in. Perenn. Aug. N.93. S. F.22. 
Tribe 8. ASPLENIES. 
Genus 7. ATHYRIUM. 
A. Finix-ramina. Lady Fern. Fig. 1738. 
Fronds lanceolate, pinnate; pinnules linear-oblong, deeply serrated. 
Damp woods. 1-5 ft. Perenn. June, July. #. B.1.1459. #. B.2., 
1438. H.§ Arn. 589. Bab. 4. 425, 5.426. N.207. S.F. 25, 
Genus 8. ASPLENIUM. 
A. FONTANUM. Smooth Rock Spleenwort. Fig. 1739. 
Fronds linear-lanceolate, rigid; pinnules obovate, with a few large 
mucronate teeth. Walls; rare. 4in. Perenn. June-Sept. LF. B. 1. 
2024. #. B.2.1439. H.& Arn.589. Bab.4.425,5.427. 8. F.26. 
A. LANCEOoLATUM. Lanceolate Spleenwort. Fig. 1740. 
Fronds lanceolate, bipinnate; pinnules obovate, deeply and sharply 
toothed. Sori short, nearly marginal. Rocks and old walls. 2-18 in. 
Perenn, June—-Sept. H. B.1.240. E. B. 2.1436. H. & Arn. 588. 
Bab. 4.425, 5.427. N.249. 8S. F.27. 
