12 7. Asplenium. 1. FILICES. Pl.end.cr, 



smooth; piniKs opposite; stipes short, smooth; sori S-5 

 short, becoming confluent : involucra whitish ; edge torn. 



2. Asplenium lucidu7n. Shining spleenwort. 



FroTid bipinnate ; pinncB oblong-lanceolate, acute ; leaf- 

 lets oblong, pinnatifid ; lohes toothed at the tip; sori 

 become confluent; margin of the involucra not notched. 



Filix foemina q. Adiantum nigrum officinarura J. Bauhiui, Rail Syn. 

 126,10. 



Onopteris mas, Ger. cm. 1137. 

 Adiantum nigrum vulgare, Park. 1049. 

 Asplenium Adiantum nigrum, Lin. S. P. 1541. 

 Asplenium lucidum, Sal. Prod. 413. 

 Black maidenhair. Oakfern. 



Roois of trees, old walls, and shady banks ; perennial ; 

 June — October. 



Root black ; frond erect, a foot high, sharp pointed, very 

 dark green, smooth; stipes long, dark purple, shining; 

 sori many ; involucra veiy thin, margin not in the least 

 notched. 



Demulcent, bechic, diuretic, nephritic ; and praised by 

 Hoffmann as an antiscorbutic. 



$. sterile. Leaflets barren, membranaceous, elegantly 

 palmato-laciniate. 



Filix fcemina q. F, minor longifolia, farsis raris, pinnulis longis, tenuis- 

 simis et oblongis laciniis firabriatis Sherard, Raii Syn. 127, 13. 



In caves, where the sun's rays cannot enter. 



S. Asplenium marinum. Marine spleenwort. 



Frond pinnate; leaflets oblong, obtuse, inciso-serrate ; 



the base rounded and subarticulate above, truncated below. 



Filix Alpina q. Cliamaefilix marina Anglica J. Bauliin, Raii Syn. 119. 2. 

 F. marina Anglica, Park. lO'JS. 



Filicula petrffla fceraina, seu Cliamaefilix marina Anglica, Ger. em, 1143. 

 Asplenium marinum, Lin. S. P. 1540. 



Rocks on the sea coasts : perennial ; June, October. 



Roots black, scaly ; frond of various sizes ; stipes black, 

 smooth ; leaflets alternate, dark green, veiny ; rachis winged; 

 sori opposite ; involucra brown, not in the least notched. 



Opening, emraenagogue : the mucilaginous extract 

 useful in severe burns and scalds. 



$. trapeziforme. Leaflets lobed or jagged. 



Capillus Veneris q. Adiantum maJHs coriandri folio, adianto vei'O affine, 

 pediculo pallide rubente Sibbaldi, Raii Syn. 124, 2. 

 Adiantum Irajj'.ziforme, Iliids. I'l ^ng.iGO. 



6 



