THE BEECH FEBN 19 



partially developed only one or two of the lowermost 

 veins are fertile, in which case the marginal series of 

 sori is not very manifest. The spore-cases are small, 

 numerous, and of a pale brown hue ; the spores ovate 

 and smooth. The fronds in this species become lateral 

 and distant from each other on the underground stem, 

 in consequence of its rapid elongation; and they are 

 adherent, that is to say, the stipes is not furnished 

 with a natural point of spontaneous separation. 



For cultivation in pots or cases it requires good 

 current moisture, and grows well on the damp and 

 shady sides of garden rock-work. 



HABITATS. Scawfell, Wastdale, Borrowdale, En- 

 nerdale, Keswick, Tindal Fell, Newbiggin Woods, 

 Stockghyll Force, Ambleside, Grasmere, Casterton 

 Fell, Wallington, Coniston, &c. 



VARIETIES. 



interruptum, Witherslack, J. M. Barnes. 

 muUifidum, Burton, J. Jones. 



C2 



