196 



Transactions of the Society. 



25. S. Meriani Reinsch (Die Algenflora, 



p. 160, t. xii. fig. 1) Blea Tarn and Ambleside. 



26. S.capitulum Breb. forma Spetshergensis, 



Nords. (Desm. Spets. p. 39, t. vii. 



fig. 25) Blea Tarn. 



27. S. monticulosum Bre'b Brantfell, Lindeth, and Easedale. 



28. *S^. maamense Archer (Dub. Mic. Club 



Proc. p. 282, vol. i. 1868) ; S.pseudo- 

 crenatum'Lmidell (Desm. Suec. p. 65, 



t. iv. fig. 4, 1871) Lindetb. 



29. S. furcatum Ehrb Blea Tarn and Low Tarn. 



30. S. inflexum Breb Lindeth and Olaife Heights. 



81, S. polymorphwn Breb Common. 



32. 8. Beinschii Eoy ("St. spec." Eeinsch, 



Contribut. p. 86, t. xvii. fig. 5) . . Blea Tarn and Angle Tarn. 



33. S. oxyacantha Archev Lindeth. 



34. 8. aculeatum Elirb Frequent. 



35. 8. vestitum Ralfs Lindeth and Claife Heights. 



36. 8. gracile Ealfs Ditto. 



37. 8. paradoxum Meyen Lindeth, Claife Heights, and Low 



Tarn. 



38. 8. tetracerum "Kuiz Brantfell, Lindeth, and Claife Heights. 



39. 8. furcigerum Bre'b Brantfell. 



40. 8. tumidwn Bre'b Lindeth, Claife Heights, and Blea 



Tarn. 



XANTHIDIUM Ehrb. 



1. X. aculeatum "Ehrb Low Tarn. 



2. X fasciculatum Ehrb Brantfell. 



3. X. antilopceum Breb Lindeth, Claife Heights, and Low 



Tarn. 



4. X. cristatum var. j3 uncinatum Br€b. . . Brantfell. 



5. X 8mithu Archer Brantfell, Lindeth, and Easedale. 



6. X. armatum Bre'b Common. 



TETMEMORUS Ralfs. 



1. T. Brebissonii Menegh Common. 



2. T. granulatus Breb Ditto. 



3. T. Imvis Kiitz Frequent. 



CL08TERIUM Nitzsch. 



