Contribution. 1. 69 



Descr. Fucus filiformis b. Pylaissei J. G. Ag. 1. c. 

 Fig. „ linearis Kiitz. Tab. Phyc. 10, t. 15. 



Fxsicc. „ distichus Aresch. Alg. Scand. exsicc. Nr. 201. 

 Syn. Fucus distichus Aresch. Phyc. Scand. p. 257. 



I have referred to the present species forms which by 

 others are considered more nearly related to F. inflatus, the 

 species taken in the same sense as described by J. G. A g a r d h. 

 The plant is litoral, always occurring in rock-pools in the 

 upper part of the zone, on open coasts as well as sheltered 

 ones. It bears receptacles in June and the earlier half of 

 July. 



Distribution: Common and plentiful almost everywhere. 



Fucus distichus L. 

 Syst. Nat. Ed. 12, 2, p. 716. 



f. robustior J. G. Ag. 



Spetsb. Alg. Till. p. 37. 

 Descr. Fucus distichus a. robustior J. G. Ag. I. c. 

 Fig. „ „ Kiitz. Tab. bhyc. 10, t. 15, fig. d. 



f. tenuior J. G. Ag. 



1. c. 

 Descr. Fucus distichus b. tenuior J. G. Ag. 1. c. 

 Fig. „ „ Turn. Hist. Fuc. t. 4. 



Litoral, growing in rock-pools in the upper part of the 

 region. Specimens bearing receptacles have been collected 

 in the first part of July. 



Distribution: Found at Mehavn (f. robustior and f. ten- 

 uior), and at Berlevaag and Svserholt, scarce. 1 



Gen. Pelvetia Dcsne et Thur. 

 Rech. Fuc. p. 12. 



I found some barren specimens of a Fucus which reminds of F. Fiieti. 

 Typical specimens of this species I have seen in rather large number 

 at West-Finmarken, bearing receptacles in the middle of August, 



