LICHENS. 283 
Ramalina polymorpha, Ach. f. depressa, Cromb. 
Guernsey (Salwey). Coast of Guernsey (Crombie). f. gvact- 
Zescens, Cromb. occurs in Sark. 
Ramalina pollinaria, Ach. 
Rather common on trees in many parts of the island: occa- 
sionally on rocks and stones. 
(Ramalina evernioides, Nyl. occurs in Sark.) 
Ramalina scopulorum, Dicks. 
Common all round the coast, but extremely variable in form: 
sometimes very large and fine. Var. incrassata, Nyl. Frequent 
on rocks on the cliffs. 
Ramalina subfarinacea, Nyl. 
Jerbourg Head. This species closely resembles &. farznacea, 
but is readily distinguished by the medulla turning red on the appli- 
cation of hydrate of potash. 
Ramalina cuspidata, Ach. 
Common on rocks on the coast, growing in company with 
R. scopulorum, which it much resembles; but the different chemical 
reaction at once separates them. Var. crassa, Del. Frequent in 
the north and north-west. f. minor, Nyl. The Vale, Guernsey 
(Crombie). 
(Ramalina intermedia, Del. occurs in Sark.) 
Ramalina Curnowii, Cromb. 
On rocks on the coast: rare. Cliffs at Jerbourg and Petit Port. 
Rocks near Fort Houmet. 
Cetraria aculeata, Fr. 
Guernsey (Mrs. Collings). 
Platysma saepincola, Ehrh. 
Guernsey (Salwey) 
Platysma diffusum, Web. 
Guernsey (Mrs. Collings). 
IV.—PHYLLODEI. 
Nephromium laevigatum, Ach. 
Leighton records this species on Larbalestier’s authority as 
being ‘common on all the islands,’ but I suspect there has been 
some confusion of names, as JV. Zusitanicum is not reported for the 
Channel Islands at all. Both species were well known to me in 
