406 Mr. Hardy 07i Lichens of the Eastern Borders. 



acquires a green hue when moistened ; " e viridi cinereo-fuscus I. cinereo-alhi- 

 cans," as Koerher properly says. 



32. Lecanora, Ach. 



1. L. BADIA, Pers. On stone walls and stones in upland places. N. Bam- 

 borough, Whitsunbank hill, Fredon hill, above Langleyford-Hope, north back of 

 the apex of Hedgehope. B. Dikes in Bowshiel dean and at Penmanshiel ; stones 

 at Quixwood, and on Whare-burn and Monynut water, &c. L. squamulosa, 

 Hook. B. F. ii. p. 187, in pt. In Bowshiel dean it has occurred as a parasite 

 overrunning the crust of Lecidea fumosa, var . grisclla. 



7. PALLIDA, Fw. " Thallus depressus verrucoso-globosus cinereo-glaucus. 

 Apotheciorum in'itia et spermngonia in thalli vcrrucis innato-punctiformia." 

 Koerb. Syst. Lich. Germ. p. 138. 



On greywacke rocks near St. Helen's Church, and much better marked in a 

 specimen of Zr. hadia from Barmouth, sent by the Rev. T. Salwey. 



2. L. ATRA, Huds. On rocks, stones, and old trees, common. The white 

 lichen so abundant at Routia Linn is a distorted state of this. 



3. L. suBFUSCA, Z,. On the bark of trees, and on stones, common. The wood 

 varieties scarcely call for special notice. A small state with the margins of the 

 apothecia nearly obliterated is according to Herb. Johnst. ! Lecidea luteola, Ber. 

 Flor. ii. p. 89. — L, vernalis, Bot. East. Bord. p. 268. The saxicole varieties are ; 

 ATRYNEA, Acli., on stone walls and old gates, Penmanshiel; campestris, 

 Schaer., on stone walls and rocks in burns, sometimes approaching in appear- 

 ance to L. atra, and sometimes when submerged to Asp'icilia epulotica ; lainea, 

 Ach. with its numerous spermogones on rocks on the sea-coast. This lichen is a 

 cosmopolite. See Meyen's Geography of Plants, p. 92. 



4. L. albella, Pers. S. crenulata, Dicks. On stones and lime-coped 

 walls, generally diffused. Limestone at Ratcheugh. " On limestone by the 

 Tweed at Carham and Wark." Winch. The Lecidea anthracina, Ber. Flor. ii. p, 

 89, Mr. Mudd believes to be this, on examining a small fragment that I sent him. 

 Mr. Winch expressed the same opinion. It occurred " on rocks at Hudshead, 

 sparingly," whence I obtained an example corresponding with those in Herb. 

 Johnst. 1 The black substratum does not belong to the apothecia. 



5. L. galactina, Ach. B. On sandstone, sea-banks, Greenheugh; fine 

 specimens from rocks in the burn, Dowlaw dean, mixed with Callopisma cer- 

 inum. 



6. L. VARIA, Ehrh. Old posts, gates, bark, &c., common. 



7. AiTEMA, Ach. On paling and old gates, Penmanshiel. Lecidea duhia, T. 

 & B. Hook. B. F. ii. p. 176. 



S. Orosthea, Sm. Trunk of an oak near Black Craig, Pease dean. Lecidea 

 expallens, Borr. Hook. B. F. ii. p. 181. 



E. symmicta, AcJi. Common on the bark of larches and fir-trees ; also on 

 birches and the stems of heath. 



7. L. polytropa, Ehrh. On rocks and stones in upland localities, and on 

 moors. N. Whitsunbank hill, Fredon hill, Homilheugh, Henhole, above Lang- 

 leyford-Hope, Cheviot, &c. B. Penmanshiel, Coldingham Moor, Cockburn- 

 law, Greenknowe, &c. 



