68 
On the Lichen-Flora of Epping Forest, 
Gr. inusta, Sm. — On hornbeam in Hawk Wood, at High 
Beach, and elsewhere (J. M. C.). Apparently now very 
scarce, if not altogether extinct. 
Gr. scripta, var. pulverulenta, Pers. — On trees at High 
Beach, and near the “Wake Arms” (J.M.C.). Bather scarce. 
F. betuligna, Ach.—On the Forest, near Salter's Buildings, 
and between Walthamstow and Lougliton [Lib. E. F.). I 
have not seen this form. 
Var. serpentina, Ach.—On trees about High Beach. Very 
sparingly (J. M. C.). 
Opegrapha lyncea, Sm. — On Hainault Forest (W. 
Sowerby) ; and also on Epping Forest, near the “Bald-faced 
Stag” [Hb. E. F.). Formerly on old trees (since felled) near 
Coptliall Lodge (J. M. C.). Probably now extinct. 
0. atra, Pers. — Between Hale End and Chapel End (Hb. 
E. F.). Near High Beach (J. M. 0.). 
Var. demigrata, Ach. — At Hoe Street, Hale End, and 
High Beach ( Hb . E. F.). Near Coptliall, and at Wintry 
Wood, Epping (J. M. C.). 
Var. liapalea, Ach.—On the trunks of trees. Sparingly at 
Hawk Wood and High Beach (J. M. C.). 
0. notha, Ach. — On Epping Forest (Hb. E. F.). Beyond 
the “King’s Oak,” High Beach. Sparingly on a single tree 
(J. M. C.). I have not recently seen this species. 
0. pulicaris, Hoffm. — On hornbeam near the “King’s Oak,” 
High Beach (J. M. C.j. Not recently observed by me. 
0. betulina, Sm. — On hornbeam near the “King’s Oak,” 
High Beach (J. M. 0.). Formerly not uncommon in several 
spots, but apparently now extinct. To this is referable 0. 
turneri, Leight., and 0. atrorimalis, Nyl. 
0. vulgata, Ach.—In the garden, Hoe Street, Walthamstow. 
Various states (Hb. E. F.). Also sparingly elsewhere in the 
Forest (J. M. C.). 
0. subsiderella, Nyl. — Near Theydon Bois (Hb. E. F.). 
I have not observed this species, though it may probably be 
still extant in the Forest. 
0. HERPETicA, Ach.—Near the “King’s Oak,” High Beach 
(Hb. E. F.). On Epping Boad, beyond Forest Lodge 
(J. M. C.L 
