458 100. FiLioEs. 



8. L. dilatdta (Presl) ; frond triangular-lanceolate or -ovate 

 bipinnate, lower pinnse unequally triangular lowest pair not 

 shorter than the second, pinnules ohlong- with a narrow attach- 

 ment pinnatifid or pinnate inferior ones largest, segments api- 

 nous-serrate, stipe clothed with long pointed scales with a dark 

 centre and diaphanous margin, rhizome tufted. — H. F. 19. L, 

 mvltiflora N. 215. — Caudex usually erect. Fronds 2 — 4 ft. 

 high, arched, often drooping, convex, more or less clothed with 

 stalked glands when young ;• on young or starved plants often 

 triangular, never so on older and perfect ones. Indusium with 

 marginal glands. The largest scales of the full-grown plant 

 should be examined. " Spores winged and crested." — L. collina 

 (Newm.) has a triangular-ovate-prolonged frond and ovate 

 blunt bluntly mucronate-serrate pinnules. N. 223. — L. glandu- 

 losa (Newm.) has a broad lanceolate frond covered with stalked 

 glands beneath and the scales on the stipe often nearly without 

 the dark centre. Beak. Fl. Brit. f. 1612. — Woods, banks, &c. 

 P. VIII. IX. E. S. I. 



9. L. ce'mula (Brack.) ; frond triangular or triangular-ovate 

 bipinnate, lower pinnse unequally triangular lowest pair longest, 

 pinnules prolonged-triangular with a narrow attachment pinna- 

 tifid or pinnate inferior lower ones largest, segments spinous- 

 serrate, stipe clothed tvith hng narrow ladniate 1-coloured scales. 

 — H. F. 20. Nephrodium foenisecii ZotBe ! L. recurva JV". 225. 

 ^Frond 1 — 2 feet long ; the lower pinnse much the largest. 

 Pinmdes and segments concave above. Stipes, rachis, and fronds 

 with many globose sessile glands. Sweet-scented. — Rocky shady 

 places. P. VIII. IX. 3E. S. I. 



5. POLTS'IICHTTM Soth. 



1. P. Loncliitis (Roth) ; fronds rigid linear pinnate, pinnse 

 not lobed serrate spinous their base auricled above oblique below. 

 ~N. 163. H. F. 9. E. B. 797.— Stipe very short. Fronds 

 narrow, very rigid and leathery. Pinnse overlapping and 

 twisted (most in the Irish, much less so in the Welsh plant), 

 lower ones usually auricled both above and below. — Young 

 simply pinnate fronds of the next species are often much like 

 this plant. — Alpine rocks. P. VII. Holly Fern. E. S. I. 



2. P. aculedtum (Roth) ; fronds rigid linear or lanceolate hi- 

 ■pnjxsde, pinnules obliquely decurrent. — iV". 169. JI.F.ll. As- 

 pidium lobatum Kunze. A. aculeatum and A.lobatum Sm. — 

 Stipe usually short. Frond 1 — 2 feet high. First upper 

 pinnule of each pinna longer than the others, its lower side' 

 (next the main rachis) usually nearly straight, its upper acutely' 

 auricled and forming an acute angle with the lower and ■with 



