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M> ^F»Hr (-1 



8 



M. Foslio 



Litliothamnion Ungeri Kjellin. 



N. Ish. Algfl. p. 120. 



Descr. Litliothamnion byssoides Unger, Lcithakalk p. 19— 20, sec. Kjellin. 



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Fig. 



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1. C. 



Unger 1. c. t. 5, fig. 1—8. 



I have not seen Unger's description of this species but 

 by coraparison of specimens from Tromso, determined by 

 K j e 1 1 m a n, it also occurs at East- Finmark en. Here it some- 

 times attains a considerable size. I have tåken specimens, 

 which wereabout22 cm. long, 18 cm, broad and 9 cm. high. 

 However, it seems to be rather much varying as to form 

 and ramification. All the specimens coUected at East-Fin- 

 marken belong to the typical form, bnt from Malangen and 

 other places in Tromso amt I have specimens which are so- 

 mewhat difPering. They will be described by a later occasion. 



The species is always snblitoral and oftenest occurs 

 on sandy and shingly bottom within the npper part of the 

 zone, on a depth of 3—10 fathoms water. It thrivcs best 

 on sheltered places and is seldom met with on open shore. 

 At East- Finmarken I have tåken tetraspore-specimens in the 

 beginning of August, in Tromso amt in Jime. 



Distrihution : Found at Kjelmo in Sydvarangerj pretty 

 plentiful but lo cal, Vardo and Havningberg, scarce. 



r 



Lithothamnion flavescens Kjellm. 

 N. Ish. Algfl. p. 129. 

 Beser, Lithothamnion flavescens Kjollm. 1. c. 



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Fig. 



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1. c. t. 6, %. 1-7. 



A few specimens of this alga I found attached to L, 

 gladde mthin the sublitoral 2one on a depth of 4 6 fa- 

 thoms, and to stones and shells of Balanidæ on a denth of 

 10—15 fathoms water. It bears tetraspores in July. 



Distrihution : Found at Kjelmo and Kirkenæs in Syd- 

 yarangerj rare, 



5 



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