34 WILLE, FERSKVANDSALGER FRA NOVAJA SEMLJA. 



y. hidentulatum n. var. Tab. XII, fig. 12. 



C. crenis lateralibus superioribus bidentulatis, ceteris 

 truucatis 1. levissime emarginatis; granulae semicellularura 

 marginem versus emarginataä, radiatim et concentrice dis- 

 positse; granulaj ad basin semicellularum in series 5—7 

 verticales dispositse; seraicellulas a vertice visse ellipticce, 

 apicibus truncato-rotundatis; a latere ovatas apice obtuso. 



Long. cell. 28; lat. 22; crass. 16; lat. istin. 9 f.i. 



Kostin Shar. 



2. C. Portianum Arch. 



Microscop. Journ. VIII, p. 235. T. II, f. 8 et 9. 

 Long. 33; lat. 24; crass. 18; lat. isthm. 11 ,</. 

 Norra Gåskap. 



3. C. pseudisthnochondrum n. sp. Tab. XII, fig. 13. 



C. submediocre, diametro 5 — 6 parte longius, in media 

 sinu lineari profunde constrictum; semicellulge fere elliptico- 

 subreniformes, apice latissime rotundato, vix visibiliter undu- 

 lato, lateribus subconvexis, margine granulato-dentatse; gra- 

 nulse semicellularum marginem versus levissime emarginatse, 

 radiatim et concentrice dispositae; granulse minores ad basin 

 semicellularum in series 7 — 9 verticales ordinat^e; semicellulse 

 e latere visee fere rotundatse, e vertice visse ellipticse; La- 

 titudu isthmi circiter diraidium crassitudinis corporis; cras- 

 situdo corporis duse partes diametri transversalis. Nuclei 

 amylacei singuli(?). 



Long. 32—36; lat. 28—30; crass. 21; lat. ishm. 10—12 n. 



Norra Gåskap, Matotchkin. 



4. C. speUbergense NoRDST. 



Desm. spetsb. p. 27. T. VI, f. 3. 



Norra Gåskap, Besimennajabay, Matotchkin vestre Del. 



5. C. Botrytis (Bory) Menegh. 



Syn. Desm. p. 220. Ralfs Brit. Desm. p. 91. T. XVI, 

 f. 1. Heterocarpella Botrytis BoRY Heterocarp. p. 180. 

 Long. 66 — 76; lat. 56 — 62; crass. 34; lat. isthm. 20 (.i. 

 Norra Gåskap, Besimennajabay, Kostin Shar. 



