252 THE JOURNAL OP BOTANY 



Balfour ; among mosses on the sandy shore near Brodick Castle. 

 — Vars. corymbosa Nyl. and spinosa Hook, Come, West. — G. La- 

 markii Nyl. (C. pityrea var. Lamarkii DC). On ash, near Lam- 

 lash, West. — C. squamosa Hoffm. On peaty earth, Corrie, and 

 near Brodick. — C. ccespititia Floerke. On bark, near Lamlash, 

 West. — G. cocci/era Schaer. c. frt. Common, on peaty soil, 

 Goat Fell; Corrie; Glen Eosa, &c. — C. digitata Hoffm., c. frt. 

 " Arran," Prof. Balfour ; on peaty ground, Corrie, and between 

 Glen Sannox and Loch Ranza. — G. macilenta Hoffm. On mossy 

 tree-trunks and peaty banks, common ; the f. clavata Fr., on a wall 

 near Brodick, West. — C. bellidiflora Floerke. " Arran," Prof. Balfour. 



Cladina uncialis Nyl. " Arran," Prof. Balfour. 



Camogonium ebeneum A. L. Sm. On shady, vertical rock-faces 

 of Old Red Sandstone, Corrie, West. 



Lecidea coarctata Nyl. var. elacista Cromb. On sandstone, 

 Brodick. — L. granulosa Schaer., c. frt. On peaty earth, Goat Fell, 

 and also near Brodick, West. — L. parasema Ach., c. frt. Very 

 common on bark ; f. tabescens Stitz. and var. elceochroma Ach. On 

 ash, Lamlash ; var. limitata Ach. On sycamore, Corrie and 

 Lamlash, West. — L. latypea Ach., c. frt. On sandstone, near 

 King's Caves. — L. contigua Fr., c. frt. Common on sandstone 

 rocks, and occurs also on granite. — L. lactea Floerke ex Schaer. 

 On rock, Brodick, West. — L.rivulosa Ach., c. frt. On indurated 

 sandstone, Corriegills, and also on quartz-porphyry, Drumadoon 

 Point. — L. nigroclavata Nyl., c. frt. On indurated shale, near 

 Drumadoon Point, associated with Verrucaria nigrescens and 

 V. maculiformis. 



Biatorina lenticularis Koerb., c. frt. Sandstone rocks, Corrie- 

 gills shore. " Must be, I think, B. lenticularis Koerb., judging 

 from the very capitate paraphyses. Spores imperfectly developed, 

 but 'one seen seemed septate, and measured 8x2 p." Miss 

 A. L. Smith, in Rept. Lichen Exchange Club. 1911. — B. erysi- 

 boides Th. Fr., c.frt. On bark, Corrie, West. 



Bacidia Bechausii Koerb., c.frt. On bark, Lamlash, West. 

 — B. incompta Anzi, c.frt. On ash, Monamore Glen and Lam- 

 lash, West. 



Buellia myriocarpa Mudd, c. fr. On bark, Corrie, West. 



Bhizocarpon geographicum DC. Common on granite, and also 

 noted on quartz-porphyry, at Drumadoon Point. — B. petrceum 

 Mass., c.frt. Along with the var. excentricum A. L. Sm. On 

 indurated sandstone, near Drumadoon Point. The variety was 

 also gathered on quartz-diorite, on the String Road. 



Arthonia gregaria Koerb. var. astroidea, Mudd, c.frt. On the 

 bark of hazels, Corrie ; also along with Graphis scripta and 

 Lecanora subfusca, in Monamore Glen, West. In the latter 

 gathering the f. cuspidans A. L. Sm. also occurred. — A. radiata 

 Ach., c.frt. On sycamore bark, Lamlash, West. var. Swartziana 

 Sydow. On ash and oak, Lamlash and Monamore Glen, West. — 

 A. punctiformis Ach., c.frt. On alder bark, Monamore Glen ; on 

 hawthorn, associated with Opegraplna herpetica, Arthopyrenia 

 epidcrmidis and Lecanora rugosa, Lamlash, West. 



