LICHENS. 59 



P. canina, Hoffm. B E F G H L, Arran, Lg. ; Ross, L. W. & O. V. D. ; 



Inverkip Green, Herb., Campsie, St. ; Cumnock, Falls Clyde, S. E. 



& O. V. D. 

 var. mernbranacea. B F H L, Garelochliead, L. W. & W. J. ; Bowling, St. ; 



Falls Clyde, Dalmellington, S. E. & O. V. D. 

 P. rufescens, Hoffm. "Common," St. ; F H, Falls Clyde, Kilmalcolm, S. E. 



& O. V. D. 



var. praetexta. B, Garelochhead, L. W. & W. J. 



P. polydactyla, Hoffm. A B E F G, Inveraray, Lind. ; Arran, Lg. ; Kil- 

 malcolm, S. E., O. V. L>. ; Tarbet, Blantyre, J. M., O. Y. D. 

 var. hymenina.- A G, Inveraray, Kenmure, Cr. 

 P. scutata, Leight. A B, Inveraray, Cr. ; Glencroe, M'M. ; Luss, J. M. & 



O. Y. D. 



P. horizontalis, Hoffm. E F, Arran, Lg. ; Dunoon, Cr. 

 Nephromium lusitanicum, Schaer. A B F, Inveraray, Cr. ; Luss, J. M. ; 



Dumbarton Castle, Sm. 

 N. laevigatum, Ach.--B L, Eoss Dim, J.M. ; Dalmellington, S. E., both 



O. Y. D. 



N. parile, Nyl.G, Campsie, J. M. & O. Y. D. 

 Solorina crocea, Ach. B, Ben Lomond, Cr. 

 (S. saccata, Ach. Loch Awe, Cr.) 

 Collema auriculatum, Hoffm. A, Inveraray, Lg. 

 C. furvum, Ach. E, Ormidale, St. 



C. flaccidum, Ach.F H, Kilmalcolm, Falls Clyde, S. E. & W. J. 

 C. pulposum, Ach. F J, Cumbrae, H. Herb., Ballantrae, S. E. & W. J. 

 C. tenax, Ach. G, Campsie, Cr. 

 C. cheileum, Ach. G, Glasgow, Cr. 

 C. melaenum, Ach. B, Ben Arthur, St. 

 C. fasciculare, Ach. B, Arrochar, Edin., Herb. 

 Leptogium lacerum, Gray. G, Campsie, J. M. 

 var. fimbriatum. A, Inveraray, Cr. 

 var. lophaeum. Without locality, St. 

 L. scotinum, B F, Ben Arthur, St. ; Ben Yoirlich, J. M. ; Cumbrae, H. 



Herb., S. E. 



var. sinuatum. B F, Gareloch, Lightf. ; Bowling, Cr. 

 L. tremelloides, Gray. A B F, Inveraray, Borrer, Loch Lomond, G. ; 



Dumbarton, Sm. 



L. saturninum, Nyl. A, Inveraray, Cr. 

 L. Burgessii, Mont. A B, Inveraray, Cr. ; Glencroe, M'M. 

 Collemodium fluviatile, Nyl. H, Bonnington Fall, Cr. 

 Pyrenopsis grumulifera, Nyl. B, Ben Arthur, St. 

 Collemopsis furfurella, Nyl. Without locality, St. 

 Verrucaria mucosa, Wakl. A F, Ardrishaig, Ardrossan, Cr. 

 V. epigaea, Pers. F, Bowling, St. 

 V. margacea, Wahl. var. acrotella. F, Gourock, St. 

 V. nigrescens, Pers. B, Cobbler, St. 

 V. plumbea, Ach. E, Ormidale, St. 

 V. gemmata, Ach. F, Bowling, St. 

 V. epidermidis, Ach. "Common," St. 

 V. fallax, Nyl. E, Ormidale, St. 

 V. antecellens, Nyl. B, Arrochar, St. 

 V. litoralis, Tayl'.&, Ormidale, St. 

 V. nitescens, Salw. E, Arran, St. 

 V. punctiformis, Ach. B, Arrochar, St. 



var. deminitula, Nyl. E, Ormidale, Arran, St. 

 V. lectissima, Fr. B, Ben Arthur, St. 

 V. nitida, Weig. F, Dunoon, St. 



