LINDSAY, ON ABROTHALLUS. 37 



Spec. II. — A. oxysporus, Tul. emend. — Apothecia not pro- 

 minent^ chiefly immersed, flattened or discoid, blackish- 

 broA^ai, generally crowded. Thecce ; amyloid reaction with 

 iodine distinct. Paraphyses : tips light brown. Spores 

 ellipsoid, acnte at ends, colourless or pale yellow, normally 

 containing two yellowish globular nuclei placed towards the 

 opposite extremities of the spore. Spermogones somewhat 

 rare. Pycnides absent. 



Habitats. — I. On farfaraceous states of Parmelia saxatilis ; 

 generally associated with A. Smithii at most of the localities 

 already mentioned. 



A. On walls : 



1. Craigie Hill, Perth; with spermogones. 



2. Birnam Hill, ^ 



3. Craig-y-Barns, r Dunkeld. 



4. Strathbraan, J 



5. Higliland road between Percy and Spittal of Glenshee; 



with spermogones. 



6. Glenshee, Glen Beg, and Glen Clunie, between 



Spittal of Glenshee and Braemar ; with spermogones. 



7. Road between Braemar and Corramulzie Linn ; with 



spermogones. 



8. Deeside road, near Invercauld, Braemar. 



9. Banks of Crinan Canal. 



10. Road between Sligachan and Portree, Skye. 



11. Road, Uig, Skye. 



12. Road between Dumfries and Caerlav crock. 



B. On boulders, or rocks i?i situ .■ 



1 . Moors to west of Braemar. 



2. Craig Choinich, "^ 



3. Mor-chone, )> Braemar. 



4. Glen Dee, J 



5. Ben Nevis; with spermogones. 



6. Loch Coruisk and Glen Sligachan, Skye. Trap rocks, 



poi-phyry, syenite, amygdaloids, &c. 



7. Moncrieft'e Hill, Perth. 



C. On trees : the alder. 

 1. Glen Nevis. 



D. Special habitat unknown : 



1. Barmouth, North Wales (Leighton); with spermogones. 



