173 
L. Oreopteris. Sweet Mountain Fern. Fig. 1721. 
Fronds tufted, pinnate; pinnae linear-lanceolate, pinnatifid, with 
resinous glands beneath, gradually decreasing to the root. Upland 
heaths and woods. 2-3 ft. Perenn. July. E. B. 1 . 1019. E.B. 2. 
1419. II. Sr Am. 584. Bab. 4.421, 5.422. N. 187. S. F. 8. 
L. Filtx-mas. Male Fern. Fig. 1722. 
Fronds lanceolate, bipinnate ; pinnae linear-lanceolate. Sori near the 
mid-vein. Woods and hedge-banks. 2-5 ft. Perenn. June, July. 
E. B. 1. 1458. E. B. 2. 1422. H. $• Am. 585. Bab. 4. 421, 5. 423. 
A r . 198. S.F.O. 
L. rigida. Rigid Lastrea. Fig. 1723. 
Fronds triangnlar-lanceolate, bipinnate, glandular. Indusium fringed 
with glands. Limestone rocks. 1-2 ft. Perenn. July, Aug. E. B. S. 
2724. E.B. 2.1423. II. Am. 585. Bab. 4.422, 5.423. iV. 191. 
S.F. 11. 
L. cristata. Crested Fern. Fig. 1724. 
Fronds linear-lanceolate ; pinnae short, triangular-oblong, with oblong 
serrated lobes. Bogs; rare. 2ft. Perenn. Aug. E.B. 1.2125. 
E.B. 2.1421. H. fy Am. 584. Bab. 4. 421, 5.423. N. 203. S.F. 10. 
L. spinulosa. Narrow Prickly-toothed Fern. Fig. 1725. 
Fronds linear-lanceolate, bipinnate. Scales of stipe broad, ovate, 
pale. Damp woods. 1-3 ft. Perenn. July-Sept. E. B. 1. 1460. 
E. B. 2. 1424. H. fy Am. 586. Bab. 4. 422, 5. 424. N. 203. S.F. 12. 
L. dilatata. Broad Prickly-toothed Fern. Fig. 1726. 
Frond ovato-lanceolate, bipinnate. Scales of stipe long, lanceolate, 
dark in the centre. E.B. 1.1461. £’.£.2.1425. Bab. 4. 422, 5. 424. 
N. 215. S.F. 13. 
L. fcenisecii. Recurved Prickly-toothed Fern. Fig. 1727. 
Fronds curved, triangular-ovate, bipinnate. Scales of stipe narrow, 
lanceolate, laciniate, pale. Damp shady places. 1-3 ft. Aug., Sept. 
Bab. 4. 422, 5. 424. N. 225. S. F. 14. 
Genus 5. Polysticoum. 
P. Lonchitis. Holly Fern. Fig. 1728- 
Fronds rigid, linear-lanceolate ; pinnae spinose-serrate, auricled above, 
oblique below. Mountainous districts. 3-18 in. Perenn. July. 
E. B. 1. 797. E.B. 2.1415. H. Am. 58o. Bab. 4.423, 5.424. 
N. 163. S.F. 15. 
P. aculeatum. Prickly Shield Fern. Fig. 1729. 
Frond rigid, subpinnate, pinnules more or less decurrent. Hedge- 
banks. 2-3 ft. Perenn. July, Aug. E.B. 1. 1562. E.B.2.1A17* 
II. Am. 583. Bab. 4.423, 5.425. N. 169. S.F. 17. 
P. lobatum. Close-leaved Prickly Shield Fern. Fig. 1730. 
Frond rigid, simply pinnate; pinnae lobed or pinnatifid. Hedge- 
banks. 2-3 ft. Perenn. July, Aug. £'.£.1.1563. £'.£.2.1416. 
II. Am. 583. S. F. 16. 
