10 
16 
12 
14 
Stem of Areca catechu Linné covered by Lichens. Abt.*/4 nat. size. Reprod. 
of a photo by Johs. Schmidt, taken at Lem Dan, Koh Chang, Febr. 1900. 
1, Parmelia Claudelii (Harm.) Wain. — 2. Physcia picta (Sw.) Nyl. -- 3. Graphis sauroidea 
Leight. — 4 Buellia subdives Wain, — 5, Graphis consimilis Wain. male evoluta, sine sporis. — 
6, Arthonia complanata le, — 7. Graphis sericea (Eschw.) Wain. — 8, Graphis heterocarpoides 
Nyl. — 9. Graphis concolor Nyl. — 10. Pertusaria pustulata (Ach.) Nyl. — 11. Physcia (nimis 
juvenilis), forsan Ph. piecta (Sw.) Nyl. — 12. Graphis concolor Nyl. — 13, Graphis chlorocar- 
poides Nyl, ~ 14 Graphis heterocarpoides Nyl. — 15. Physcia picta (Sw.) Nyl. — 16, Graphis 
(male evoluta). 
