and the causes affecting its recent diminution. 
59 
Fertile (Hb. E. F.). Near the British Camp [Loughton ?]. 
Fertile (J. M. C.). 
C. coccifera, L.—On Epping Forest. Sterile (Hb. E. F.). 
On heaths near the Wake Arms, sparingly and sterile (J.M.C.). 
C. macilenta, var. scolecina, Ach. — On Salisbury Hall 
Pound, Chapel End, Walthamstow. Substerile (Hb. E. F.). 
I have not met with this variety. 
Var. scabrosa, Mudd. — On old mossy trunks of trees, near 
the roots, at Monk’s Wood, High Beach, and Fairmead 
Woods. Sparingly fertile (J. M. C.). 
Var. polydactyla, Flk. — On Epping Forest, between the 
Beindeer and King’s Oak. Fertile (H6.E.F.). On decayed 
stumps in Fairmead Woods, and near High Beach. Plentiful, 
but sparingly fertile (J. M. C.). 
Var. ostreata, Nyl. — On trunks of old trees near High 
Beach. Sparingly fertile (J. M. C.). 
C. floerexaka, f. trachypoda, Nyl. — On heaths near the 
Wake Arms. Fertile, hut sparingly (J. M. C.). 
Cladina syeyatica, Hoffm. — On Epping Forest. Sterile 
(Hb. E. F.). I have nowhere seen the type, which seems to 
me to he now extinct, but only the following form. 
F. tenuis, Flk.—On the ground near High Beach. Sterile 
(J. M. C.). 
Trib e—R amarine i . 
Ramalina calicaris, Hoffm.—On trunks of trees near Epping 
Station, at Copthall and Theydon Bois. Sparingly and hut 
rarely fertile (J. M. C.). 
R. farinacea, L. — On trees near Loughton. Sterile (Hb. 
E. F.). High Beach and Great Monk’s Wood. Sterile 
(J. M. C.). Young states occur also in various parts of the 
Forest. 
R. fraxtnea, L. — On poplars in the Forest. Fertile (Hb. 
E. F.). Near Epping, High Beach, and Copthall Lodge. 
Fertile (J. M. C.). 
R. fastiguata, Pers. — On trees in Hainault Forest and 
Theydon Mount. Fertile (Hb. E. F.). High Beach, near 
Royal Oak. Fertile (J. M. C.). Also sterile and stunted in 
various other parts. 
