22 

 LaSTREA MONTANA. 



L. m. cristato-gracile. Sticklepath. Slender fronds and 



crests. 

 L, m. congesta. Aberfeldy. Congested. 

 L. m. truncata. Several places. All tips squared and 



thorned. 

 L. m. plumosa. Kendal. Good plumose form. 



POLYSTICHUM ANGULARE 



P. ang. revolvens. Colyton. Very good tubular form. 

 P. ang. cristulum. Colyton. Very minute crests at 



points of frond and pinnae. 

 P. ang. caudatum. Minehead. Upper half of frond 



much narrowed. 



POLYPODIUM VULGARE. 



p. V. macrosorum. Minehead. Wide sub-bipinnate 



fronds, sori very large and abundant. 

 P. V. longipinnatum. Killarney. Very long attenuate 



pinnae 

 P. V. bipinnatum. Chepstow. Bipinnate. 



P. V. bifido foliosum. Colyton. Bi and trifid and foliose. 



P. V. crenatum. Milnthorpe. Crenate. 



P. V. obtuso crenatim. Staverton, 1909. Round lobed 



pinnae, here and there truncate and thorned. 

 P. V. bifido deltoideum. Devon. Basal lobes bifid and 



very large. 

 P. V. sub-cambricum. (?). Glastonbury. Foliose form, 



bipinnate. 

 P. V. adpresso-bilidum. Colyton. Bifid and pinnae 



turned inwards towards midrib. 



ASPLENIUM. 



Asp. trichomanes cristatum. Holne. Fronds crested. 

 Asp. trichomanes cristatum. Loxhore. Fronds crested. 

 Asp. adiantum nigrum lineare. Penrhyn. Fronds 



very slender and long. 

 Asp. adiantum nigrum caudifolium Dartmoor. 



Dwarf llat-growing form, with linear pinnae yellow 



lobed. 



