184 KAARE MÜNSTER STRØM. 



Genus Desmidium. Agaidh 1824. 



248. Desmidium quadratum. Nordst. 

 Common in two samples. 



249. Desmidium Swartzii. Ag. 



In a single sample. Size. lat. cell. 40—42 /n. long. cell. 

 14-15 ^. 



Genus Gymnozyga. Ehrbg. 1840. 



250. Gymnozyga monoliformis. Ehrbg. 

 Frequent and in abundance. Pl. III, Fig. 1. 



Order Oedogoniales. 



Family Oedogoniaceæ. 



Genus Oedogonium. Link 1820. 



251. Oedogonium sp. 



Sterile specimens of Oedogonium-species were frequent. 



252. Oedogonium Pringsheimii. Gram. Wittr. 

 var. Nordstedtii. Wittr. 



lat. cell, veget. 10—12 ,«. 

 long. — „ — 3 — 5plo major, 

 crass, oog. 35 ^i. 

 altit. — 36,5 I-l. 

 diam. oosp. 32 f^i. 

 In a single sample. 



Genus BuXbochæte. Agardh 1817. 



253. Bulhochæte sp. 



Sterile Bulbochæte species were common. Occassionally they 

 grew as epiphytes on Oedogonium. 



