The Scottish Naturalist. 71 



14. C. tetragonum^ Nag. (the Swedish form). — Uurdie Moor. 



15. C. nymannianum G\-\xno\y. — Athole Forest ; Rannoch ; nearFowlis 

 Wester. 



16. C. Hanwien Reinsch, b. minus. — Athole Forest. 



17. C. sinuosum Lundell. — Methven Bog. 



18. C. tetrachondrum Lundell. — Durdie Moor. 



19. C. depressiim Nag. (not of Bailey). — Durdie Moor. This appears to 

 be only a spineless form of Arthrodesmus convergens Ehr. 



20. C. circulare Reinsch. Athole Forest. 



21. C. crenaiutn Ralfs. — Athole Forest and Glenshee ; Methven Bog, 

 Arnbathie, and Rannoch. Var. bicrenatum Nordstedt. — Durdie Moor. 



22. C. undidatum Corda. — Athole Forest and Glenshee. 



23. C. cyinatopleiirum Nordst. — Roadside between Killin and Kenmore. 



24. C. notabih Breb. — Athole Forest. 



25. C. sportella Breb. — Durdie Moor ; near Scone. 



26. C. ccclatum Ralfs. — Birnam Hill. 



27. C. quadrifariwn Lundell. — Athole Forest. 



28. C. i'?^^;/^j/ Reinsch. — Durdie Moor. 



29. C. Bredz'sso nil 'Slenegh. Durdie Moor; Birnam HilL 



30. C. tetraophthalmutii Breb. — Athole Forest, east from Falar, and 

 Glenshee ; Birnam Hill. 



31. C. botrytis Menegh. — Athole Forest, east from Falar, and Glenshee ; 

 Durdie Moor and Arnbathie ; large form near Scone. 



32. C. juargaritiferum Menegh. — Methven Bog and Durdie Moor. 



33. C. rtiiifortne Ag. — Durdie Moor. 



34. C. anmyium Breb. — Fonna major Lundell. — Glenshee. A distinct 

 species. 



35. C. Portianiim Archer. — Athole Forest ; Durdie Moor. 



36. C. monilifonne Twx^. — Athole Forest ; Ai-nbathie ; Glenshee. 



37. C. phaseolus Breb. — Athole Forest and Glenshee ; Durdie Moor ; 

 Fowlis Wester. Var. yS elevatuin Nord. — Rannoch. 



38. C. gotlandicum Wittk. — Glenshee. 



39. C. cucurbi^aBveh. — Rannoch; Glenshee; Fowlis Wester. 



40. C. palangtda Breb. — Athole Forest ; Rannoch. 



41. C. Thxvaitesii Ralfs. — Athole Forest ; Birnam Hill. 



42. C. cnrtum Breb. — Near Tyndrum. 



43. C. obliquiuii Nprdst. — Glenshee. 



Xanthidium Ehr. 



1. X. armatum Breb. — Methven Bog and Rannoch; Glenshee. 



2. X. aadeatiim Ehr. —Durdie Moor. 



3. X. antUopmini Breb. — Glenshee. 



4. X. cristatiun Breb. — Durdie Moor. ^ uncinatuvi Breb. — Arnbathie. 



Arthrodesmus Ehr. 



1. A. convergens Ehr. — Durdie Moor. 



2. A . Incus Brth. — Athole Forest ; Rannoch; Glenshee. 



3. A. bifidus Breb. —Athole Forest. 



4. A. octocornis Ehr. — Athole Forest. /3 viajor Ralfs. — Rannoch ; 

 Glenshee. 



