• NOTES ON THE FLOEA OF SHETLAND 305 



alpestris Nyl. N U. — C. uncialis Nyl. 0, U, II. — f. ohtusata 

 Nyl. U. — f. integerrima Wain. U. — f. clicrcea Ach. B H, U. 



Stereocaulon paschale Gray. to H, B H. — S. demidatum 

 Floerke. B H. 



Bceomyces csruginosiis DC. Sc. 



Gyrophora cylindrica Ach. W of B II. — G. prohoscidea Ach. 

 B H.—G. torrefacta Cromb. N U, 0, C F to B H. Frequent and 

 the most common species by far of this district on red granite. — 

 G. focculosa Turn. & Borr. B H. 



Epihebeia hispidula Nyl. 0. 



Ephebe pubescens Nyl. B H. 



Lichina confinis Ag. N-e U. 



Collema furvum Ach. B U. On Serpentine. — C. nigrescens 

 Ach. B U. On Serpentine. — C. pulposum Ach. U. 



Leptogium scotinum Fr. var. sinuatum Malbr. B U. On 

 Serpentine. 



Pannaria brunnea Nyl. L. 



Psoroma hypnoricm Nyl. 0. 



Peltigera canina Hoffm. U. On Serpentine. — P. polydactyla 

 Hofi'm. U. — P. spuria Leight. L, 0. 



Pertusaria dealbata Nyl. U", C F to B H. 



Lecanora atra Ach. 0, L, Sc, N U, B U. On Serpentine. — • 

 L. allophana Nyl. B U. On Acer. — L. albella Ach. U, B H. — 

 L. badia Ach. var. cinerascens Nyl. 0, L. — L. calcarea Somm. 

 N-w U. — L. coilocarpa Nyl. U. — L. confragosa Nyl. B U. On 

 Serpentine. — L. fuscata Nyl. B H. — L. gangaleoides^yl. N-to U, 

 S U. — L. gibbosa Nyl. var. lusca Nyl. U. — L. glaucoma Ach. 

 CF to B H, U. — Var. comp Ian atcc height. to H. — L. Hageni 

 Ach. B U. — L. irrubata Nyl. 0, B H. — L. milvina Ach. 

 N2U- U. — L. parella Ach. 0, L, Sc, BH, CF, BU. Both 

 on Archaean rocks and Serpentine. B H. Some peculiar 

 forms with gyrocheiloid apothecia occurred on the much exposed 

 Archaean rocks, the examples often measured one or two feet 

 across. — L.polytropa Schaer. H, N-io U, 0. — Var. tostulata Koerb. 

 U. — Suhsip. L. intricata Nyl. B U. On Serpentine. — L. prose- 

 choides Nyl. 0, U. — L. squamulosa Nyl. U. — L. subfusca Nyl. 

 U. — Var. campestris Nyl. 0, U. On Serpentine, and sometimes 

 on maritime rocks. — L. sulpliurea Ach. 0, N U, B U. On Ser- 

 pentine. — L. tartarea Ach. N U, B U, 0. — Ya.i\ frigida Ach. 

 — L. vitellina Ach. B H. — L. epixantha Nyl. U. 



Parmelia fidiginosa Nyl. B H, H, C F. — P. lanata Wallr. 

 B H. — P. omphalodes Ach. 0, U, B H, with apothecia; L, with 

 apothecia. — Var. panniformis Ach. U. — P. perlata Xch. subsp. 

 P. ciliata Nyl. to H. — P. phy socles Ach. 0, U. — f. tubidosa 

 Mudd. E oiBH. — P. saxatilis Ach. B H, U, 0, H, L, Sc— 

 Var. ficrficracea Schaer. 0, U. — P. sulcata Tayl. B H, 0, B U. 

 On Serpentine. — P. tristis Nyl. B H, to H. — P. trichotera Hue. 

 B U. On Serpentine. 



Cetraria aculeata Fr. 0, Sc, U. Sometimes on Serpentine. — 

 Var. muricata Ach. L, — G. islandica Ach. 0. 



PlcUysma glauciim Nyl. 0. 



