164 REV. W. A. LEIGHTON ON THE LICHENS OF CEYLON. 
93. STICTINA ARGYRACEA, Dél., et var. intricata, Del. 
Habgalla. 
24. S. FRAGILLIMA (Bab.), var. subpunctulata, Nyl., thallo impresso-punctulato. 
Central Province, very abundant. 
25. S. FULIGINOSA (Ach.). 
Habgalla. 
26. S. CROCATA (Linn.). 
Central Province. 
27. S. TOMENTELLA, ? 
Habgalla. 
28. S. QUERCIZANS (Mich.), var. peruviana, Dél. 
Habgalla, 5000 ft. alt. 
29. S. BoscHIANaA (Mont.). 
Central Province. 
30. S. cILIARIS (Mont. et v. d. B.). 
Central Province. 
31. RICASOLIA HERBACEA, D. N. 
Central Province, common.. 
39. PARMELIA PERLATA, Ach. (K +,C +.) 
Central Province. e 
33. P. PERLATA, Ach., var. ciliata, DC. (K+,C +.) 
Central Province. 
34. P. cRINITA, Ach. (K+,C-+.) 
On top branches of old tamarind-trees, Peradeniya. 
35. P. REVOLUTA (Flk.. (K yellow, C red.) 
Central Province. 
36. P. LEVIGATA, Ach. (K +.) 
Central Province. 
37. P. pavieata, Ach., var. cervicornis, Tuck. 
Central Province. 
