— 1167 - 
2. Àphanizomenon Flos-Aquae. Allman ; Kirchner in Cohn Kryptogamen 
Flora v. Schlesien II. Algen p. 236. 
Long, sporar. 14-17 p, latitudo 5 p. 
cell. veg. 12-20 p, » 3 p. 
3. Nostc minutissimum Kùtzing-Phycol. Gêner. 1845, p. 201. 
Diamet. familiarum 84 p., sporarum 5 fi, cell. veget. 24 p. 
EfacHIariaceac* 
4. Cymbella gastroides Kùtzing. 
Long. 130 p; lat. 31 p. 
5. Encyonema ventricosum Kùtz. 
Long. 38 p.; lat. 9 p. 
6. Navicula Stauroptera Grunow. 
Long. 70 |* lat. 12 |*, 
7. N. radiosa Kùtzing. 
Long. 67 p, lat. 15 p. 
8. N. dicephala W. Smith. 
Long. 19-29 lat. 9 p. 
9. Gomphonema acuminatum Ehr. 
Long. 48-68 p; lat, 9 p. 
Var. Clavus Ehr. Van Heurck Diatom de Belg. t. XXIII. f. 20. 
10. G. parvulum Kùtzing. 
Long. 23 p; lat. 5 p. 
11. G. gracile Ehr. 
v. dichotomum W. Smith. 
Long. 30 p ; lat. 7 p.. 
12. Achnantes minutissima Kùtzing. 
Long. 12 p; lat. 4 p.. 
13. Epithemia gibba (E.) Kiitzing. 
Long. 50 p ; lat. 28 p. 
14. Eunotia gracilis (E.) Rabenhorst nec W. Smith. 
Lon 80 p; lat. 14 p. 
15. E. pectinalis (Kùtzing) Rabenhorst. 
Long. 50 p; lat. 12 p. 
16. E. lunaris. (E-) Grunow. 
Loug. 80 p ; lat. 4 p. 
17. Synedra Ulna. (Nizich.) E. 
Lon. 120 p ; lat. 10 p. 
18. Nitzschia dissipata (Kùtz.) Grunow (N. minutissima W. Smith). 
Lung. 21 p.; lat, 4 p. 
19. N. Sigmoidea (E.) W. Smith Solimi fn?gmentum vidi. 
20. Cosmarium Botrytis. (Bory) Desmidiaceae Meneghini. 
Long. 4 . ; lat. 30 
