BLECHNITM. IKICHOMANES. 441 



Tribe IV. Adiantea. ■ 



12. Blboh'num. lAnn. Hard-Fem, 



1. B. boredk (Sw.) ; tarten fronds pinnatifid ■witli broadly- 

 linear rather blunt pinnae, fertile frond pinnate with linear 

 acute pinnes.— '^. B. 1169. Lomaria Spicant iV., 89. — Each 

 lateral vein df the fertile pinnse extends halfway to the edge, 

 then turns, at right singles and iproceeds up the pinna until it 

 reaches- the next vein... Capsules, attached in a^continuous row 

 to the longitudinal ip^orljons of the combined lateral veins. — 

 Stony and heathy places. -P. YII. ,. , ,■_, E.S.I. 



13. Pbb'kis Linn. Brakes. 



1. P. aquiUna (L.); fronds tripartite, branches bipinnate, pin- 

 nules linear-lanceolate the lower ones usually, pinnatifid, seg- 

 ments obldng bluat. — K B. 1&79. iV. 98. jEwjofen'si NeVm.-^ 

 Fronds annual, 1—5 feethigh^veiymuch divided, with spread- 

 ing branches. iCapsules attached to the marginal vein, lying 

 upon a fine meimbrane and covered by the membranous continua- 

 tion of the epidermis. Inferior pinnules pinnatifid or sinuate or 

 entire.— Woods and Jieaths. P. VII. . E. S. 1. 



14,, ADiAif,'a;u^|Zmw, Ma-iden-liair. 



1. j4.. Capillus- Ven'erii (L.) ; frond irregular, branches and 

 roundish -wedgeshaped lobed thin pinnules, alternate, lobes of the 

 fertile pinniileis |ermir)4te<3, liy a transversely .linear-oblong re- 

 flexed lobe covenng several, roundish clusters,, sterile lobes ser- 

 rate. — !E. B. 1564. iV. 'S3.— Rhizome blackish, shaggy. Fronds 

 6 — 12 in. high, Stipe and rachis slender, nearly black. Pin- 

 nules not pointed to the prartial stalks. — Damp rocks near the 

 sea. P. v.— IX, E.I. 



■Tribe V. Hymenophyllea. 



15. Teichom'anes Liivn. 

 '■ , J , • ■ . 



\. T. radicans (Sw J ; frDnds-,3 . or 4 times pinnatifid glabrous, 

 segments uniform linear, involucres solitaiy in the axils of the 

 ixpper segments, receptacle at first included ultimately very pro- 

 minent— -E. S. 1417. T. speciosum WiUd., iV. 3051— Fronds 

 rather triangiflar, very' much divided, 4 — 8 in. long, formed of 

 hard wiry branched ribs each with a rath el' membranous wing. 

 Rhizome black, downy, very long. Involucres scarcely ^winged. 

 — The forni called Aniriwsii has lanceolate frbnds'and' winged 

 involucresi , , iV, 315.^Very damp shady places, rare. For- 

 merly at BeUbank, Yorkshire, whenQe I have an old specimen 



