704 



Squamaria candelana. On trees, Baxter. 



^. polycarpa. Hook. 



Trees, Christ Church meadow, Bax- 

 ter. 



Placodium canescens. Trunks of trees, 

 Baxter ; Thame, Dr. Ayres. 



Parmelia virella. Trunks of trees, com- 

 mon, Baxter. 



■ caperata. Trunks of trees, not 



uncommon. Dr. Ayres. 



perlata. Trunks and branches 



of trees, common ; rare in fruit. 



oUvacea. On trees, &c., particu- 

 larly on dead fences and posts, Dr. 

 At/res. 



parietina. Everywhere. 



pityrea. Trunks of trees, Bax- 



ter. 



saxatilis. Trees, common, Bax- 

 ter. 



pulverulenta. Trees and shrubs, 



common. 



stellaris. Trees and shrubs, rare. 



Baxter. 

 Sticta pulmonaria. Bagley wood, very 



rare, Baxter ; S token church woods, 



not uncommon. Dr. Ayres. 

 Collema nigrum. On stones, Bullington 



green, Baxter. 



crispum. On old walls, Baxter. 



■ fasciculare. Walks of the Bo- 

 tanic Garden, Oxford, Baxter. 



palmatum. On the ground, Bax- 

 ter. 

 granulatum. Old walks, Baxter. 



nigrescens. Trunks of old trees, 



Baxter ; on willows, Thame, Dr. 

 Ayres. 



lacerum. 



On the ground among 

 moss, Baxter. 

 Solorina saccata. Headington quarry, 

 very rare, Baxter. 



Peltidea canina. 

 Baxter. 



' rufescens. 



Heaths, woods, &c.. 

 Heaths, woods, &c., 



Baxter. 



Nephroma resupinata. Bagley wood, ex- 

 ceedingly rare, Baxter. 



Borrera tenella. On almost every tree and 

 shrub. 



ciliaris. Trunks of trees, Bax- 

 ter ; Thame, Dr. Ayres. 



Evernia prunastri. Trunks of trees, com- 

 mon. 



Rarrudina fraxinea. 



fastigiata. 



farinacea. 



Trees, common. 

 Trees, common. 

 Trees, common, but 



rare in fruit. 

 Usnea plicata, /3. hirta, Ach. Trees and 

 bushes in woods, Bagley wood, Bax- 

 ter. 



harhata, /3. articulata, Ach. Bag- 

 ley wood, very rare, Baxter. 



Cornicularia aculeata. Shotover hill, Bax- 

 ter. 



Cladonia furcata. Shotover hill, Bagley 

 wood, Baxter. 



rangiferina. Shotover hill. Bag- 

 ley wood, Baxter ; Thame and Sto- 

 kenchurch hills. Dr. Ayres. 



pungens. Shotover hill, Bagley 



wood, Baxter. 

 Scyphophorus alcicornis. 



Baxter. 

 pyxidatus. 



common. 

 fimhriatus. 



Heaths, rare. 

 Woods, &c., 



Heaths, &c., 



Baxter. 

 radiatus. Heaths & woods, 



Baxter. 

 cocciferus. Bagley wood, 



rare, Baxter ; on a stump near the 



road from Stokenchurch to Cadmore 



End, rare. Dr. Ayres. 



(To be continued). 



B. Ayres. 



