INDEX LICHENUM RRITANNICORUM. 
11 
Family II. COLLEMACEI, Nyl . 
Tribe I. LXCHINEI, Nyl. 
Genus I. Lichina, Ag. 
Sp. 1 L. pygmasa ( Lghft .), Ag. 
2 L. confinis ( Ach .), Ag. 
Genus II. Lichiniza, Nyl. 
Sp. 1 L. Kenmorensis ( Holi ), Nyl. 
Genus III. Pterygium, Nyl. 
Sp. 1 Pt. pannariellum, Nyl. 
2 Pt. Lismorense, Crornb. 
Genus IY. Leptogidium, Nyl. 
Sp. 1 L. dendriscum, Nyl. 
Tribe II. COLLEMEI, Nyl. 
Genus I. Synalissa (. Fr .), Nyl. 
Sp. 1 S. sympliorea (DC.), Nyl. 
2 S. intricata (Arn.), Nyl. 
Genus II. Schizoma, Nyl. 
Sp. 1 S. lichinodeum, Nyl. 
Genus III. Collema (Ach.), Nyl. 
A Physma, Mass. 
Sp. 1 C. chalazanum, Ach. 
2 C. clialazanodes, Nyl. 
3 C. myriococcum, Ach. 
4 C. confertum (Ach.), Nyl. 
B. Eucollema, Crornb. 
a Stirps, C. terrulenti. 
5 C. terrulentum, Nyl. 
b Stirps, C. verruciformis . 
6 C. ceraniscum, Nyl. 
c Stirps, C. auriculati. 
7 C. auriculatum, Hffm. 
* C. granosum ( Wulf.), Nyl. 
8 C. furvum, Ach. 
f. 1, tunaeforme, Ach. 
9 C. flaccidum, Ach. 
d Stirps, C pulposi. 
10 C. pulposum (Bernh.), Ach. 
f. 1, compactum, Ach. 
/3. pulposulum, Nyl. 
11 C. tenax (Sw.), Ach. 
/3. coronatum, Kbr. 
12 C. glaucescens, Hffm. 
