LICHENS. 301 
Verrucaria aethiobola, Whlnb. 
Portelet Cove. Petit Port, on a rock below high-water mark. 
Verrucaria mutabilis, Borr. 
Guernsey (Mrs. Collings). 
Verrucaria maura, Whlnb. 
Common at high-water mark all round the coast. Forms dull 
black patches on the rocks. 
Verrucaria aractina, Whlnb. 
Cascade, Jerbourg (Larbalestier’s Lich. Rariss., No. 78 in my 
copy). 
Verrucaria mauroides, Schaer. 
Common on stones in hedges, and on smooth-grained rocks. 
Verrucaria nigrescens, Pers. 
On rocks near Portelet Cove, Forest. 
(Verrucaria polysticta, Borr. occurs in Alderney.) 
Verrucaria macrostoma, Duf. 
Walls of the Vale Castle. 
Verrucaria viridula, Schrad. 
On an old ruined wall at Mont Saint; and at Moulin Huet. 
Verrucaria murina, Leight. 
Jerbourg. 
Verrucaria rupestris, Schrad. 
Fermain. Jerbourg. 
Verrucaria gemmata, Ach. 
Not uncommon on old trees throughout the island. 
Verrucaria epidermidis, Ach. 
On trees near St. Helena. Upper end of Talbots Valley. 
Verrucaria analepta, Ach. 
Rather common. 
Verrucaria cinerea, Pers. 
Guernsey (Mrs. Collings). 
Verrucaria biformis, Borr. 
Frequent in all parts on many kinds of trees. 
Verrucaria Salweii, Leight. 
On the old battery at Saints Bay. 
