110 THE JOURNAL OF lUnWM' 



UmbiUcm'ia pustulata Hoft'm. Fairlj common. 



GyropJiora prohoscidea Ach. and i.fimhriata Mudd. Snowdon, 

 1600 'ft. 



BcEomyces rufiis v. jprostii Harm. On rock near Llanberis 

 waterfall. 



Icmadopliila cdvuginosa Trev. Snowdon, about 2500 ft. 



Cladonia pyxidata v. pocillum Fr. Rare. O. gracilis v. liyhrida 

 Schaer. G. squamosa '^. pyolyclionia (Flk.), G. suhsquamosa Nyl. 



G.furcata v. spinosa Hook., v. pialamcea, Nyl. Beddgelert, G. 

 rangiformis Hoffm. Llanberis and Beddgelert. G. cocci/era v. 

 pleurota Schser. Grlyder. G. Jlcerlceana f. hrachypoda Nyl. Not 

 uncommon on peatj ground, Snowdon. G. sylvatica f. grandis Oliv. 



Lecidea granulosa f. viridula Cromb. L. sorediza Nyl. L. 

 profrusa Fr., L. latypea Ach. L. contigua f. calcarea Leight. On 

 rocks, Bwkh-cwm-Mas, var. platycarpa Fr. Snowdon. L. leuco- 

 'pliceoides Nyl. and L. griseoatra Schser. On boulders 2000 ft. 

 Snowdon. L. parasema v. elcBockroma Ach. Frequent on trees. 



Biatorina leiiiicularis v. erubesceus. On rocks near Llanberis 

 waterfall. 



Bilimhia sahuletorum B. & R. Frequent on decaying bryo- 

 ph3^tes on walls ; var. ohscuratum A. L. Sm. Nant Peris. 



Bacidia inundata Krb. On rocks b}^ the side of Llyn Peris. A 

 dark form from the same locality agrees fairly well with B. cali- 

 gans A. L. Sm. 



Buellia (Bthalea Ach. On rocks near waterfall, Llanberis. 



Bhizocarpon alhoatrum v. epipolium A. L. Sm. B. ohscuratum 

 Mass. B. geographicum v. atrovirens Krb. B. confervoides f. 

 disjjersum (Leight.). On rocks near Llanberis waterfall. 



Opegraplia atra Pers. and v. denigrata Schser. 



Graphis elegans Ach. Cwm-j^-gio. G. scripta Ach. 



Dermatocarpon miniatum Th. Fr. Llanberis, Snowdon, Glyder; 

 V. complicafum Th. Fr. and f. decipiens A. L. Sm. On damp pre- 

 cipitous rocks from the Glyder, near Pass. D. laclineum A. L. Sm. 

 Clogw}^, Snowdon. 



Verrucaria cethiohola Wahl. In stream, Llanberis and Y Garn 

 (2500 ft.). V. suhmersa Schser. In stream. V. maculiformis 

 Kremp. Frequent on slaty rocks, Llanberis, Dinorwic, Bwlch-cwm- 

 Mas. 



Thelidium microcarpum A. L. Sm. On wall of old house, 

 Hebron. 



Acrocordia hiformis Oliv. 



Artliopyrenia fallax Arn. 



Byrenula nitida Ach. 



Botrydina vulgaris Breb. Common. 



