448 100. fhices. 



7. L. spinuUsa (Presl) ; fronds oblong-lanceolate bipinnate 

 glabrous, pinnae triangular-oblong or -lanceolate lo-wermost pair 

 scarcely smaller than tbe second, pinnules ovate-oblong acute 

 incise-serrate with a narrow attachment inferior lowermost often 

 largest, stipe "witli ovate acute 1-coloured (pale) scales, rhi- 

 zome stout creeping.—- S. 12. N. 203. H. F. 18.— Height 3—4 

 ft.; fronds nearly erect. Upper pinnules narrowed and de- 

 current below. Indusium without marginal glands. — a ; j)innsB 

 triangular oblong lowermost pair not smaller, piimules with a 

 stalklike attachment lowermost nearly equal, stipe with ovate 

 acute scales. "Spores wharted." — Marshy places and wet 

 woods. P. VULIX. E. S. I. 



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

 bipinnate, lower pinnae unequally triangular lowest pair not 

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

 ment pinnatifid or pinnate inferior ones largest, segments spi- 

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

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

 multiflora 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. Deak. Fl. Brit. f. 1612. — Woods, banks, &c. 



P. vin. IX. E. s. I. 



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

 bipinnate, lower pinnss unequally triangular lowest pair longest, 

 pinnules prolonged-triangular with a narrow attachment pinna- 

 tifid or pinnate inferior lower ones largest, segments spmous- 

 serrate, stipe clothed vjith long narrow laciniate l-coloured scales. 

 — S. F. 20. Nephrodium foenisecii Loioe ! L. recurva N. 225. 

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

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

 vsdth many globose sessile glands. Sweet-scented.— Eocky shady 

 places. P.'vm.IX. E.S.I. 



5. Polts'tichum Both. 



1. P. Lonchitis (Roth) ; fronds rigid linear pinnate, pinnsB 

 not lobed serrate spinous their base auricled above oblique below. 

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



