56 
On the Lichen-Flora of Epping Forest , 
localities, &c., contained in the above list, in Forster’s 
herbarium, and collected by myself during these excursions. 
List of the Lichen-Flora of Epping Forest. 
Family— Collemacei. 
Tribe— Collemei. 
Collema furvum, Ach. — On a tombstone in Walthamstow 
Churchyard, and also in Chingford Churchyard. Sterile 
(. Hb. E. F. s. n. Collema granulatum). Now extinct. 
C. cheileum, Ach. — On walls at Walthamstow. Sterile 
(Hb. E. F.). Now extinct. 
Leptogium subtile, Schrad. — Edges of clay-pit near 
Hale End, in the Forest. Fertile (Hb. E. F.). Also on a 
bank near the Wake Arms. Sterile (J. M. C.). 
L. microphyllum, Ach. — On trees between Reevesgate 
and Copthall Green. Fertile (Hb. E. F. s. n. Collema 
fragrans).. At High Beach. Sterile (J. M. C.). Now extinct 
in both localities. 
L. palmatum, Huds. — On the Forest, near Hale End. 
Sterile (Hb. E. F.). Not observed by me. 
L. lacerum, sub-sp. pulvinatum, Acli.—In the Forest, near 
the windmill. Sterile (Hb. E. F.). Now extinct. 
Family —Lichenacei. 
Tribe— Caliciei. 
Sphinctrina turbinata, Pers. — Parasitic on the thallus of 
Pertusaria communis upon an old oak (since felled) at High 
Beach (J. M. C.). The only locality in which I have seen it. 
Calicium chrysocephalum, Ach. — On barn-doors at Wal¬ 
thamstow [Hb. E. F.). I have nowhere seen this species in 
the Forest. 
C. melanoph2eum, Ach. — On stumps of felled trees near 
High Beach (J. M. C.). Not seen by me recently. 
Var. ferrugineum, T. & B. — On pales in a garden in Hoe 
Street, Walthamstow (Hb. E. F.). On old pales at the 
Warren. Sterile (J. M. C.). 
C. hyperellum, Acli. — On old trunks beyond Mount 
Pleasant, High Beach. Very sparingly (J. M. C.). 
