92 



LICHENOLOGICAL NOTES. 



Placodium cixrochroum, L. On limestone rocks, Upton, near Torquay, 

 E. M. H. 



This is, I believe, the only locality at present recorded in Britain, 



besides the original one in Westmoreland, by Mr. J. Martindale. 



Iiecanora Hutchinsiae, Nyl. Newlyn, Penzance, on granite rocks, W. 

 Curnow. 



Iiecanora poliophoea, Wnhln. Near Penzance, W. Curnow. 

 Peztusaria leicplaca, on trees, Wilhiel, near Bodmin, E. V. Tellam. 

 Iiecidea lucida, Ach. In fruit. Rocks, near Chagford, D., E. M. H. ' 

 Ziecidea chlorophoea, Hejjp. St. Merryn, Cornwall, R. V. Tellam. 

 Iiecidea niut%bilis, Fries. On young oaks, Hustyn Wood, near 

 Bodmin, R, V. Tellam. 



Iiecidea IVEooreana, Carr. Near St. Austell, Cornwall, R. V. Tellam. 

 Iiecidea subuletozum, Flk. St. Merryn, Cornwall, R. V. Tellam. 

 Opegzapha Caesazeensis, Nijl. Rocks, Li?ard Point (abundant), E. M. H. 

 The only English locality at present recorded. 



Opegzapha anomala, height . On birch trees, Hustyn Wood, near 

 Bodmin, R. V. Tellam. 



Stigmatidium cizcumscziptum, Tayl. Rocks, Lizard, E. M. H. 



Nozmandina laetevizens, Turn. Sf Borr. Rough Tor, Cornwall, 

 R. V. Tellam. 



Endocazpon miniatum, /. complicatum, Sm. Kynance Cove, 

 W. Curnow. 



Vezzucazia ventosicola, Mucld. Cawsand Beacon, Devon. E. M. H. 



BRITISH COLLEMACEI, 

 As Revised by The Rev. J. M. Crombie. 



The " Journal of Botany" for November contains a revision of 

 this family, of which we submit an extract. 



Tribe I. Lichinei. Many of the filamentose Alga>. are re- 

 ferable to this tribe, though being in a barren state they cannot be 

 accurately described as Lichens. 



I. GoNiONEMA. Nyl. To this genus belong various species of 

 Scytonema 



Gonionema velutinum, Ach. 



II. Spilonema. Born. To this are to be referred several 

 species of Sirosiplwn, as — 



Spilonema 2)(iradoxuin. Born. 

 Spilonema revertens. Nyl. 

 Spilonema scoticum. Nyl. 

 For further details the paper above alluded to must be consulted. 



III. Ephebe. Born. Scarcely distinguishable from the foregoing 



in a young state. 

 Ephebe pubescens. Ft. The Lichen exilis of Lightfoot. 



IV. LiCHINA. Ag. 

 Lichina pygmcBa. Lgft. 

 Lichina confinis. Ach. 



