

KONGL. SV, 



. VET. 



N:o: 



1 



2 



3 



Long. j.i 



40 



37 



41—46 



Låtit. » 



20 



20 



25—28 



Crass. » 



16 



15 



23 



Lt. isthm. » 



10 





11 



Lat. : Ig. = 1 : 



2 



1,8 1 



,46 — 78 



VET. AKADEMIENS HANDLINGAR. BAND. 22. N:0 8. 61 



5 





6 





7 



8 



9 





10 



11 



12 



13 



35 



48- 



-51 



16- 



-17 



29 



25- 



-29 



22 



18 



17 



15 



24 



38- 



-42 



11 



-12 



21 



18- 



-23 



21 



15 



13 



14 







27 





8 



14 



14- 



-15 



10 







7,5 



7 



11- 



-12 





4 



6 





6 



5,5 



6,5 



10 



5,5 



,46 



1,21- 



—30 



1,42- 



—45 



1,24 



1,21- 



-39 



1,3 



1,2 



1,3 



1,0 7 





1,4 



— 5 



1,37 



— 50 



1,5 



1,3- 



-1,6 



1,5 







1,8 



Gr. : lat. = 1: 1,35 1,21 1,09 — 21 1,23 



42. C. asphaerosporum Nordst. in Wit.tr. et Nordst. Alg. exs. 11:0 268 (1879); C. 

 Schliephackeanum Grun. f. Spetsbergen si s Nokdst. Desm. aret. p. 24, tab. 7, fig. 15. 



ii produetum nov. var. Tab. 6, fig. 18. 



Semicellulaj apicibus saäpe paullo magis attenuatis; e vertice visa> verruea inediaua 

 nulla. Zygosporaj paullo longiores, angulis paullo magis produetis. (Euastrum bi- 

 cuneatum Gay Conjug. p. 57, tab. 1, fig. 13 valde affine est). 



Long. 11—12 ,u = lat.; erass. 7 u; lat. isthm. 7 ,u; long. zygospor. 30 — 32 ,u; 

 lat. zyg. 14 ,". 



Omatangi (240). 



43. C. linctum Ralfs Brit. Desm. p. 95, tab. 32, fig. 7. 



Long. 12 — 14 ,u; lat, 10 — 12 ,«; lat, isthm. 6 — 7 fi. 



Waimakariri River (5; lat, isthm. 9,5 ,«); Bluff (51); Taupo (157). 



Forma trigona. öeinicellula a vertice visa trigona lateribus leviter eonvexis angulis 

 rotundatis. Membrana luteola. — Una tantum semieellula visa, hue verisimiliter perti- 

 nens. — Tab. 3, fig. 16. 



Long. semic. 8,5 ju; lat. 14 ,«; lat. isthm. 8 ,w. 



Arthur Pass (17). 



(i intermedium nov. var. Tab. 3, fig. 17. 



Sinus non linearis, mox ampliatus. Cellulae a vertice visa; medio leviter tumidse. 

 Membrana luteola seu achroa. — Qiuv forma ad Cosvi. asphcerosjporum Nordst. valde 

 accedens status transitorius inter hane speciem et C. tinctum efficit. Pluribus forinis inter- 

 mediis sporiferis examinatis hm duas species fortasse melius in unam reduci debent. 



Long. 11 t u, lat. 10 ,«; crass. 8 ,"; lat. isthm. 8 ,«. 



Omatangi (240). 



44. C. aretoum Nordst. Desm. aret, p. 28, tab. 7, fig. 22 a, b, c, 23, 24 a. 



Tantum forma membrana achroa visa est, 



Long. 16—17 ,u; lat, 12—14 ,«; lat. isthm. 10—11 ,u. 



Maungarora (61); Wellington (67). 



The New Zealand specimens differ so little from the Spitsbergen ones, which are 

 also somewhat variable, that I have not thought neces^ary to name the form as a distinct 

 variety, but merely to give a figure of it. Tab. 7, fig^ 29. 



