470 JETHOU. 
F. ovina, L. Rather common. 
F. rubra, L. Frequent. 
Serrafalcus mollis, Parl. One small tuft on the western 
side : very dwarf. 
Brachypodium sylvaticum, R. & S._ Frequent. 
Lolium perenne, L. Not common. 
Polypodium vulgare, L. Crevichon. 
Lastrea Filix-mas, Presl. Crevichon. 
Athyrium Filix-foemina, Roth. Recorded by Babington. 
I have seen this fern on Crevichon, but not on the main island. 
Asplenium lanceolatum, Huds. In many places, sparingly. 
A, Adiantum-nigrum, L. Crevichon. 
A. marinum, L. Sparingly all round the coast. 
Pteris aquilina, L. Abundant. The only common fern in 
the island. 
LICHENS. 
Lichina pygmaea, Lightf. Larbalestier. 
Cladonia rangiferina, Hffm. Larbalestier. 
Parmelia caperata, L. Larbalestier. 
Physcia parietina, L. Larbalestier. 
P. aquila, Ach. Crevichon (Babington, 7. Sarn.). 
Pannaria plumbea, Lightf. Crevichon (Larbalestier). 
Placodium lobulatum, Smrft. Larbalestier. 
Lecanora coilocarpa, Ach. Larbalestier. 
L. pyreniospora, Nyl. Larbalestier. Crombie. 
Graphis pulverulenta, Ach. Larbalestier. 
—— 
