List of Desmidiese, &c. By J. P. Bisset. 193 



Kabenh. Fl. Eur. Alg. = L. Eabenhorst, Flora Europsea Algarum aquae dulcis 

 et submarinse, Sectio III. Lipsise, 1868. 



Eeinsch, Die Algenflora = Paul Keinsch, Die Algeuiiora de3 mittleren Theiles 

 von Franken. Niirnbeig, 1867. 



Eeinsch, Contributiones = P. F. Eeinscb, Contributiones ad Algologiam et 

 Fungologiam. Lipsise, 1875. 



Wille, Fersk. Nova. Semi. = N. Wille, Ferskvandsalger fra Novaja Semlja samlede 

 af Dr. F. Kj ell man paa Nordenskiolds Expedition 1875. Stockholm, 1879. 



Wille, Norges. Fersk. = N. Wille, Bidrag til Kundskaben om Norges Fersk- 

 vandsalger. Christiania, 1880. 



Wittrock, Om Gotlands = V. B. Wittrock, Om Gotlands och Olands Sotvattens- 

 alger. Stockholm, 1872. 



DESMIDIE^ Eutz. 



MICRASTEEIA8 Ag. 



1. M. angulosa Hantzch Lindeth and Low Tarn. 



2. M. denticulata Bieb Common. 



3. M. Thomasiana Archer Lindeth. 



4. M. rotata Grev Ditto. 



5. M. hrachyptera Lundell (Desm. Suec. 



p. 12, t. i. fig. 4) Lindeth. 



6. M. papillifera Bre'b Brantfell and Lindeth. 



7. M. Crux-Melitensis Ehrb Lindeth. 



8. M. pinnatifida Kiitz Lindeth and Olaife Hei'^hts. 



9. M. crenata Breb Frequent. 



10. M. truncata Corda Ditto. 



11. M. mucronata Dixon . . • . . . , . Easedale and Angle Tarn. 



EUA8TBUM Ehrb. 



1. E. verrucosum Ehrb Brantfell and Lindeth. 



2. K pectinatum Breb , Frequent. 



3. E. gemmatum Breb Ditto. 



4. E, oblongum Grev Ditto. 



5. E. crassum Bxeb. Ditto. 



6. E. ventricosum Lund. (Desm. Suec, 



p. 18, t. ii. fig. 2) Low Tarn. 



7. E. pinnatum Ealfs Frequent. 



8. E. affine Ealfs Low Tarn. 



9. E. ampullaceum Ealfs Easedale. 



10. E. Didelta Ealfs Frequent. 



11. E. cuneatum Jenner Lindeth, Blea Tarn, and Easedale. 



12. E. ansatum Ehrb Frequent. 



13. E. sinuosum Lenorm. (^E. circulare $ Low Tarn. 



Ealfs) 



14. E. insigne Hass. . . Lindeth, Easedale, and Angle Tarn. 



15. E. rosiratum Ealfs Common. 



16. E. elegans Bre'b Ditto. 



17. E. erosum Lundell (Desm. Suec. p. 22, 



t. ii. fig. 6) Frequent. 



18. E. Unale Turp Common. 



19. E. insulare Wittrock (Om Gotlands, 



p. 49, t. iv. fig. 7) Lindeth and Angle Tarn. 



20. E. venustum Breb Lindeth, Olaife Heights, and Angle 



Tarn. 



C08MABIUM Corda. 



1. 0. margaritiferum Turp Frequent. 



2. C. reniformis Ag Brantfell, Lindeth, and Claife Hei°-hts 



3. C. latum Bre'b Ditto. *= 



