11 o 



11 



6 7 



10 



16 



12 



13 



15 



14 



Stem o{ Areca catechuLinne covered by Lichens. Abt.^l4 nat. size. Reprod. 

 of a photo by Jobs. 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 siibdives Wain. — 5. Graphis consimilis Wain., male evoluta, sine sporis. — 

 6. Arthonia complanata Fee. — 7. Graphis sericea (Eschw.) Wain. — 8. Graphis heterocarpoides 

 Nyl. — 9. Graplns concolor Nyl. — 10. Pertusaria pustulata (Ach.) Nyl. — 11. Physcia (nirais 

 juvenilis), forsan Ph. picta (Sw.) Nyl. — 12. Graphis concolor Nyl. — 13. Graphis chlorocar- 

 poides Nyl. — 14. Graphis heterocarpoides Nyl. — 15. Physcia picta (Sw.) Nyl. — 16. Graphis 



(male evohita). 



