THE FERN FAMILY. 



each segment, oblong and distinct when 

 young, but when old united in an irre- 

 gular mass, covering the upper part of 

 the segment. 



On rocks and walls, in western Eu- 

 rope, chiefly near the sea, extending 

 southward to Madeira, and northward 

 to the English Channel. In Britain, 

 not uncommon in the south-western 

 and Welsh counties, and occurs also 

 near Cork, in Ireland, and near Tun- 

 bridge Wells, in Kent. Fr. summer 

 and autumn. 



Fig. 1277. 



Sea Spleenwort. Asplenium marinum, Linn. 

 (Fig. 1278.) 



(Eng. Bot. t. 392.) 



Eronds tufted, usually 6 inches to 

 near a foot high, narrow-lanceolate in 

 general outline, but coarser than in the 

 lanceolate S. ; the stems usually black, 

 and only once pinnate. Segments ob- 

 liquely lanceolate or nearly ovate, ra- 

 ther thick, obtuse, crenate, especially 

 on the upper edge, narrowed at the 

 base into a short stalk, the longer ones, 

 in the middle of the frond, about an 

 inch long. Sori several on each seg- 

 ment, linear, often above 2 lines long. 



On rocks and walls, near the sea, in 

 western Europe, extending southward 

 to the Canary Islands, eastward to se- 

 veral spots along the Mediterranean, 

 and northward to Britain, where it is 

 abundant on several parts of the coast, 

 even as far as the Orkneys. Fr. the 

 whole season. 



Fig. 1278. 



