Contribution, I. $8' 



Gen. Leptonema Eke. 



Br. Alg. p. 16. 



Leptonema fasciculatum R,ke. 

 1. c. 



f. majus Rke 



Ostseefl. p. 51. 

 Descr. Leptonema fasciculatum var. majus Rke 1. c. 

 Fig. „ „ „ „ Rke Atlas t. 10, fig. 1—9. 



A sablitoral alga, occurring on a depth of 10 — 15 fa- 

 thoms, attached to Lithothamnia. It bears zoosporangia (spa- 

 ringly) and gametangia in the beginning of August. 



Distribution: Only found at Kjelmo in Sydvaranger, 

 local and scarce. 



Gen. Elachista Duby. 



Mem. Cer. I, p. 19, sec. J. G. Ag. Spec. Alg. 1, p. 7. 



Elachista fucicola (Veil.) Aresch. 

 Alg. Pugill. p. 235; Conferva fucicola Veil. Mar. Plant. No. 4, sec. 

 Aresch. 1. c. 

 Descr. Elachista fucicola Aresch. Phyc. Scand p. 377. 



J. G. Ag. Spec. Alg. 1, p. 12. 

 Fig. „ „ Aresch. 1. c. t. 9, fig. c. 



„ „ Harv. Phyc. Brit. t. 240. 



Phycophila fucorum Kiitz. Tab. Phyc. 7, t. 95. 

 Exsicc. Elachista fucicola Aresch. Alg. Scand. exsicc. No. 102. 

 Syn. Conferva fucicola Wg. Fl. Lapp. p. 514. 



„ flaccida Lyngb. Hydr. Dan. p. 146. 



I have met with this species only in the litoral zone, 

 where it' occasionally grows on Fuci. It bears zoosporangia 

 in June, July and August. 



Distribution: Scattered along the whole coast, at several 

 places pretty plentiful. 



Elachista lubrica Rupr. 

 Alg. Och; p. 388. 



