250 THE JOURNAL OF BOTANY 



Leptogium lacerum Gray. Among mosses, on shady rocks, 

 Come, West. — L. pulvinatum Nyl. On mossy boulders, Corrie- 

 gills. — L. scotinum Fr., c. frt. On the ground among mosses, 

 Corrie, West ; on mossy boulders, Oorriegills. 



Stictina fuliginosa Nyl. Corrie, West. 



Lobaria pulmonaria Hoffm. " Arran," Prof. Balfour, Leighton's 

 Lichen-Flora. 



Peltigera canina and P. polydactyla Hoffm. " Arran," Prof. 

 Balfour, Leighton's Lichen-Flora, p. 102-3. — P. rufescens Hoffm. 

 On the sandy shore by the mouth of the Kosa burn. — P. horizon- 

 talis Hoffm. " Arran," Prof. Balfour ; Corrie, and among mosses 

 on rocks, Monamore Glen, West ; on sand-dunes at Blackwater 

 Foot. 



Sphcerophorus coralloides Pers. " Arran," Prof. Balfour ; on 

 peaty soil, near Brodick ; Monamore Glen, West. 



Bamalina farinacea Ach., c. frt. On bark, common. — B. sco- 

 pulorum Ach. "Arran," Prof Balfour; on quartz-porphyry, at 

 sea-level, Bennan Head. — B. cuspiclata Nyl., c. frt. On sand- 

 stone, Corriegills shore ; very fine on quartz-porphyry at Druma- 

 doon Point. 



Usnea florida var. hirta Hoffm. Common on bark. — U. 

 ceratina Ach. On alder, near Lamlash, West ; on the bark of 

 trees, Brodick. 



Cetraria aculeata Fr. On the sandy shore, Invercloy ; pro- 

 bably common. 



Platysma glaucum Nyl. Common on bark and on rocks. 



Evernia pntnastri Ach. On bark, common. 



Parmelia perlata Ach. On the bark of sycamores, Lamlash, 

 and also near Corrie, West ; on bark, Brodick. — P. ciliata Nyl. 

 Among mosses, Corrie, West. — P. cetrarioides Nyl. On sycamore 

 bark, Lamlash, West. — P. saxatilis Ach. Common on bark and 

 on rocks. — P. sulcata Tayl. Lamlash, West. — P. omphalodes Ach. 

 Common, on granite and pitchstone. — P. Borreri Turn. On bark, 

 near Brodick and Lamlash, West. — P. caperata Ach. On mari- 

 time rocks, King's Caves. — P. sinuosa Ach. Brodick Castle, Sir 

 W. J. Hooker, Leighton's Lichen-Flora. — P. olivacea Ach. 

 Corrie, sparingly in fruit, and also at Lamlash, West. — P. exaspc- 

 rata Nyl. On alder, Corrie, West. — P. frdiginosa Nyl. Common 

 both on bark and rocks (noted on granite and pitchstone). — 

 P. physodes Ach. Common on bark, especially on birches. 



Xanthoma parietina Th. Fr., c.frt. Common on the shore- 

 rocks ; noted on sandstone and quartz-porphyry. 



Physcia pulverulenta Nyl. var. subvenusta Nyl., c.frt. On 

 the bark of ash, Lamlash, West. — P. pityrea Nyl. f. flavescens. On 

 ash, Benlister Glen, West. — P. aquila Nyl., c.frt. Abundantly, 

 on sandstone rocks, Corriegills shore ; also on quartz-porphyry, 

 Bennan Head. — P. stellaris Nyl. var. leptalea Nyl. Common on 

 sandstone rocks, Corriegills. — P. tenella Nyl., c.frt. Common, 

 along with the next preceding, on sandstone rocks, just above 

 high-water mark.— P. ccesia Nyl. On bark, Lamlash, West. 



Placodium tcgularis Nyl., c.frt. Frequent on the coastal 



