194 Transactions of the Society. 



4. C. conspersum Ralfs Brantfell and Lindeth. 



5. C. Botrytis Bory. Common. 



6. C. ochthodes Nords. (Desm. Arct. p. 17, 



t. vi. fig. 3) Brantfell,01aife Heights, and Easedale. 



7. G. tetraophthalmum Kiitz Common. 



8. C. Xogrzerase Bissel n.s Blea Tarn, Ambleside, Easedale, and 



Angle Tarn. 



Fig. 4. — Frond eliaped as figured, sometimes with a wide and very shallow 

 depression at the ends, deeply constricted and rough all over with small 

 pearly granules. Length, 70-73 fx ; breadth 47-50 fx. ; breadth of 

 isthmus, 21-22 fi. Found previously on Deeside, and in Ajran, Scotland. 



9. C. Bre'bissonii Menegh Lindeth, Claife Heights, and Easedale. 



10. C. ornaium Ealfs Common. 



11. C. punctulatum JiTeb Frequent. 



12. C. sportella Breb Brantfell, Easedale, and Angle Tarn. 



13. C speciosum Lundell (Desm. Suec. 



p. 34, t. iii. fig. 5) Easedale and Angle Tarn. 



14. C. subspeciosum Nords. (Desm. Arct. 



p. 22, t. vi. fig. 13) Lindeth. 



15. C. Kjellmani Wille (Fersk. Nov. 



Semi. p. 42, t. xii. fig. 31) . . . . Ditto. 



16. C. monomazum Lundell, var. j8 poly- 



mazum Nords. (Norges Desm. p. 14, 



fig. 3) Ditto. 



17. C. isthmocliondrum Nords. (Norges 



Desm. p. 12, fig. 2) Ditto. 



18. C. prcemorsum Brelj. (Liste, p. 128) . . Angle Tarn. 



19. C. coelatum Ealfs Frequent. 



20. C. Boeckii Wille (Norges Fersk. p. 28, 



t. i. fig. 10) Lindeth. 



21. C. crenatum Ealfs Common. 



22. C. undulatum Corda Lindeth, Claife Heights, and Low 



Tarn. 



23. C. Nymannianum Grunow (in Eabenh. 



Fl. Eur. Alg. p. 166 ; Lundell, 



Desm. Suec. t. iii. fig. 1) . . . . Angle Tarn and Low Tarn. 



24. C. Phaseolus Breb Frequent. 



25. G. pachydermum Lundell, var. j3 



minus Nords. (Norges Desm. p. 18, 



fig. 7) Common. 



26. C. homalodermum 'Noida. (Desm. Arct. 



p. 18, t. vi. fig. 4) Brantfell and Lindeth. 



27. G. pyramidatum Breb. Common. 



28. G.pseudo-pyramidatum Lundell (Desm. 



Suec. p. 41, t. ii. fig. 18) . . . , Lindeth and Low Tarn. 



29. G. variolatum Lundell (Desm. Suec. 



p. 41, t. ii. fig. 19) Angle Tarn and Low Tarn. 



30. G. granatum Breb Brantfell and Lindeth. 



31. C. tetragonum Nageli (Gatt. einzell. 



Alg. p. 119, t. vii. A, fig. 5) . . . . Ditto. 



32. G. pygmceum Archer Frequent. 



33. G. Meneghinii Breb Ditto. 



34. G. anguhsum Breb Ditto. 



35. C. hioculatum Breb Ditto. 



36. G. Jacohsenii Eoy (C. moniliferum Ja- 



cobsen, Desm. Dane. p. 200, pi. viii. 



fig. 24) Brantfell and Claife Heights. 



37. C. connatum Breb Brantfell, Lindeth, and Claife Heights. 



38. G. pseudo-connatum Nords. (Desm, 



Bras. p. 214, t. iii. fig. 17) . . . . Brantfell and Lindeth. 



