/ 



M. Foslie. Contribution II. 

 Fig. Xenococcus Schousboei Tlmr. 1. c. 



m 



Dcrmocarpa 



» 



B atter s 1. e. t. VII, fig. 2 b. 



This species appeared together with the preceaing on 

 Cladophora and on Lyngbya and Urospora fastened to the 

 named host plant. 



Leptothrix rigidula Ktitz. 



Phyc. germ. p. 165. 

 Beser. Leptothrix rigidula Ktitz. Spee. Alg. p. 263. 



Fig. 



w 



r> 



11 



Tab. Phyc. t. 



Some mostly isolated specimens of this plant, 1 — 1.5 jx 

 in thickness, were found on Sphacelaria cirrhosa at Svinor 

 in the neighbourhood of Lindesnes, and some other ones on 

 Cladophora at Hvaloerne. 



Exulanatioii of the Plates. 



Plate 1 . 



Lithoihamnion boreale. 



The upper figure: Habit-figure of a f ull- gro wn specimen, seen 



from the side. 



■ 



Lithoihamnion fomicatum. 



The lower figure: Habit-figure of a form of the species, seen 



from above. 



Plate 2. 



Lithoihamnion fomicatum. 



The upper figure: Habit-figure of a full-grown, . typical spe- 

 cimen, seen from above. 



■ 



The lower figure: Habit-figure of apart of a full-grown spe- 

 cimen, seen from below. 



