90 



Mr. Winch's Flora of Northumberland, $c. 



16. P. pulverulcntu. 



Ach. Syn. 214; Berwick Flora, ii. 81; Lichen 



pulverulcntns, Eng. Bot. 2063. 

 On the bark of trees, not rare. 



1 7. P. stellaris. 



Ach. Syn. 216 ; Berwick Flora, ii. 81 ; Lichen stel- 

 laris, Eng. Bot. 1697. 



On trees in Ravensworth and Cawsey Woods, D. At 

 West Dipton near Hexham, and in Oak Wood 

 near Wylam, N. 



18. P. ccesia. 



Ach. Syn. 216 ; Lichen ccesius, Eng. Bot. 1052 ; 

 Dick. Crypt. Fasc. iii. 17. 



On tiles upon the roofs of houses in and about Gain- 

 ford, and upon rocks at Fawdon Slate, D. On the 

 Crags at West Dipton near Hexham, N. 



19. P. cycloselis. 



Ach. Syn. 216; Lichen cycloselis, Eng. Bot. 1942. 

 Upon the branches of old Apple trees, N. and D. 



20. P. physodes. 



Ach. Syn. 218 ; Berwick Flora, ii. 82; Lichen phy- 

 sodes, Eng. Bot. 126. 



y platypJiylla. 



u. On trees and stones, common. In fructification on 

 the stems of Heath upon Gateshead Fell, D. 



y On trees by Waskerley Bourn, and on the walls of 

 Wolsingham Park, D. 



68. BORRERA. 



1 . B. ciliaris. 



Ach. Syn. 221 ; Berwick Flora, ii. 79 ; Lichen ci- 

 liaris, Eng. Bot. 1352. 

 On trees in woods, not rare. 



2. B. tcnella. 



Ach. Syn. 22 1 ; Berwick Flora, ii. 79 ; Lichen tc- 

 nellus, Eng. Bot. 1351; L. ciliaris /S, Hudson, 

 538. 



,3 leptalca, Parmelia leptalca, Northumberland and 

 Durham Guide, ii. 55. 



a. Upon trees, particularly the Black Thorn, and on 

 Basaltic rocks at Holy Island, N. /3 on stones 

 near Gainford, D. — Rev. J. Harriman. 



3. B. furfuracea. 



Ach. Syn. 222; Berwick Flora, ii. 79; Lichen 

 furfuraceus, Eng. Bot. 984. 



On the walls of Conset and Waskerley Park, and in 

 the neighbourhood of Eglestone, also at Water Gate 

 near Healy Field, D. Near Harbottle, and on Che- 

 viot, Hedgehope, and Simonside, N. In Chilling- 

 ham Park, and near Ravvse Castle, N. — Dr. G. 

 Johnston. 



69. CETRARIA. 



1 . C. juniperina, & pinastri. 



Ach. Syn. 226; Lichen pinastri, Eng. Bot. 2111 ; 



L. juniperinus, Lightfoot, 836. 

 On the juniper near the High Force, on the south 



side of^ the Tees. — Rev. J. Harriman. 

 Never found in fructification. 



2. C. glauca. 



Ach. Svn. 227; Berwick Flora, ii. 77; Lichen 

 glauc'us, Eng. Bot. 1606 ; Lightfoot, 838. 



On rocks and stones among moss in Sub-alpine situa- 

 tions, N. and D. Near Heddon-on-the-Wall, N. 



3. C. islandica. 



Ach. Syn. 229 ; Berwick Flora, ii. 76 ; Lichen is- 



landicus, Eng. Bot. 1330. 

 On Gateshead, Whickham, and Muggleswick Fells, 



also on the moors in Teesdale and Weardale, D. 

 On Cheviot, Hedgehope, Simonside, and the Wal- 

 lington Moors, N. On Murton Crags, and the 



moors west of Belford, N Thompson's Berwick 



Plants. 



70. STE.ICTA. 



1. S. pulmonacea. 



Ach. Syn. 233; Berwick Flora, 75; Lie/ten puL 

 monarius, Eng. Bot. 572; Lightfoot, 831. 



On trees near Unthank and Rothbury, also at the 

 foot of Cheviot above Langley Ford, N. On trees 

 and rocks at Blackston Bank Wood near Wolsing- 

 ham, also near Eglestone and Middleton-in-Tees- 

 dale, D. On trees between Healey Field and 

 Allansford, D.— Mr. J. Thornhill. 



2. S. scrohiculata. 



Ach. Syn. 234 ; Berwick Flora, ii. 275 ; Lichen scro- 

 liculatus, Eng. Bot. 497 ; Lightfoot, 850 ; L. 

 verrucosus, Hudson, 545. 



At the foot of Cheviot above Langley Ford, N. On 

 rocks at Rawse Castle above Chillinghara, and in 

 woods above Renton Inn, N. — Dr. G. Johnston. 

 On trees and stones in Shipley Wood near Egle- 

 stone, also near the High Force, Teesdale, and on 

 the banks of Waskerley Bourn, near Wolsingham, 



3. S. linibata. 



Ach. Svn. 236 ; Lichen limbatus, Eng. Bot. 11 04 ; 



Hook. Fl. Scot. ii. 59. 

 On rocks among moss near Eglestone, D. At the 



foot of Cheviot above Langley Ford, N. 



4. S. sylvatica. 



Ach. Syn. 236 ; Lichen sylvatkus, Eng. Bot. 2298 ; 

 Lightfoot, 848. 



On rocks among moss in Cawsey, Eglestone, and 

 Blackstone Bank Woods, D. At the foot of Che- 

 viot above Langley Ford, and in East Common 

 Wood, N. 



71. PELTIDEA. 



1. P. horizontalis. 



Ach. Syn. 238 ; Lichen horizontalis, Eng. Bot. 888 ; 

 Lightfoot, 849. 



On Gunnerton Crags, and at the foot of Cheviot 

 above Langley Ford, N. On stones among moss 

 in Hag-crag Wood in Teesdale Forest, and iD the 

 neighbourhood of Healy F'ield, D. 



2. P. apthosa. 



Ach. Svn. 238 ; Lichen apthosus, Eng. Bot. 1119; 

 Lightfoot, 847- 



At the foot of Cheviot above Langley Ford, and on 

 Gunnerton Crags, also on rocks at Shewing Shields, 

 where it was noticed by Wallis, N. On stones 

 among moss in Hag- crag Wood in Teesdale F'orest, 

 D. In Holwick. — Rev. J. Harriman. 



3. P. canina. 



Ach. Svn. 239 ; Berwick Flora, ii. 73 ; Lichen ca- 

 rinas, Eng. Bot. 2299. 

 On earth and stones, common. 



4. P. rufescens. 



Northumberland and Durham Guide, ii. 61 ; 

 Berwick Flora, ii. 74; Lichen rufescens, Eng. 

 Bot. 2300 ; Peltidca canina y crispa, Ach. Syn. 

 329. 



On Gunnerton Crags near Barwesford, and at Shew- 

 ing-shields, N. In Teesdale, and the neighbour- 

 hood of Healey F'leld, D. 



