JPl.end.cr, !. FILICES. 9. Blechnum. 15 



Phyllitis, Rati Syn. 116, ] ; Ger. em. 1138. 

 Phyllitis, seu Lingua cerviiin. vulsjaiis. Park, 1046, 

 Asplenium Scolopendrinm, Lin. S. P. 1537. 

 Asplenium eloiigalum, Salisb. Pmd.iO^. 

 Scolopendrinm Phyllitis, Roth Germ. 3, 47. 

 Kcolopendriuin vulgare, Si/r.ions Syn. 

 lilechnuiii linguifolium, Stokes Bot. 31. M. 4, 616. 



Moist rocks, walls, wells, and banks ; perennial ; July. 



JRoot fibrous, brown; frond 12 to 18 in. high, upright, 

 light green on both sides, smooth ; stipei brown, often ra- 

 ther scaly; 5on numerous, yellowish brown, distinct; invo- 

 lucra turn back and are hidden by the prominent capsules, 



(3. crispum. Frond crisp, jagged at the edge. 



Phyllitis crispa, J. Bauh. H. P. 3,749. 



y. multifidum. Frond wavy, tip manycut, crisp, 



Phyllitis muUifida, Ger. em. 1138; Maii Si)n. 117, 1. 



^. polyschides. Frond cleft at the edges. 



Phyllitis polyschides laciniis singulis cruciatum decussatis Bobarlii, 

 Baii Syn. 117, 2. 



s.ramosum. Stipes hxaxvchedi; frond 6x\idied. 



F. Blechnide^. Sori linear, contiguous, parallel, on 

 each side of the midrib ; involucra opens towards the rib. 



IX. 9. BLECHNUM. Dioscorides. Spkant, 



Sori linear, longitudinal, contiguous, parallel to the mid- 

 rib ; involucra superficial, submarginal, opening on the 

 inside. 



Blechnum loreale. Northern spicant. 



Frond simple, pinnatifid ; hies lanceolate, rather obtuse, 



parallel ; fndtbearing fronds distinct, and narrower than the 



barren ones; leaflets linear pointed. 



Lonchitis aspera, Eaii Syn. 118; Ger. cm. 1140. 

 Lonchitis aspfra minor, Park. 1042. 

 Osmunda Spicant, Lin. S. P. 1522. 

 Struthiopteris Spicant, Scop. Carn. 1258. 

 Onoclea Spicant, IloJJ'm. Germ. 2, 1 1. 

 Acrostichum Spicant, Sihthorp. 267. 

 Osmnnda borea'.is, Salisb. Prod. 402. 

 Blechnum Spicant, Roth Germ. 3, 44. 

 Blechnum borcale, Swartz. Schr. J. 2T5, 

 Rotigh spleenwort. 



Moist woods and heaths ; perennial; July. 



Root fibrous, scs\y; fronds a foot or 18 in. high, dark 

 green, smooth, pectinato-pinnate; leaflets very numerous, 

 subaltern ate, mucronate; capsules brown. 



