Contribution. I. (51 



in a few individuals. Probably it appears scattered along 

 the whole coast. 



Gen. Bangia (Lyngb.) Ktitz. 

 Phyc. gener. p. 248; Lyngb. Hydr. Dan. p. 82; lim. mut. 



Bangia fnscopurpurea (Dillw.) Lyngb. 

 . c. p. 83; Conferva fuscopurpurea Dillw. Brit. Conf. p. 92. 

 Descr. Bangia fuscopurpurea Hauck, Meeresalg. p. 22. 



„ atropurpurea /? fuscopurpurea J. G. Ag Alg. Syst. 3, p. 36. 

 Fig. „ „ t. 1, fig. 34-39. 



„ fuscopurpurea Harv. Phyc. Brit. t. 96. 

 „ Ktitz. Tab. Phyc. 3, t. 29. 



Ensice. „ „ Aresch. Alg. Scand. exsicc. Nr. 118. 



Syn. Conferva atropurpurea Wg. Fl. Lapp. p. 515. 



Besides the typical form of this species I have collected 

 another one, which has a chlorophyll-green colour. Cp. 

 Schmitz, Chromatoph. p. 3. It is reduced in size, the threads 

 thin and somewhat curled, or often subclavate, forming rather 

 interwoven strata on rocks near high-water mark, on exposed 

 places. Only barren specimens have been found. 



The typical form is also litoral, and grows on rocks in 

 the lower part of the zone. I have only met with it in much 

 exposed localities. The length of the threads is generally 

 2 — 5 cm. It is furnished with sporocarps and antheridia in 

 the middle of August. 



Distribution: The typical form found at Svaerholt, com- 

 mon and abundant in the neighbourhood of «Klubben» and 

 at «Vestersiden»; Vardo, local but pretty plentiful. The 

 chlorophyll green form found at Vardo, local and scarce, and 

 at Bugonses in Sydvaranger, rare. 



Bangia crispa Lyngb. 



Hydr. Dan. p. 82. 

 Descr. Bangia crispa J. G. Ag. Alg. Syst. 3, p. 33. 

 Fig. „ „ „ „ t. t. fig. 18-22. 



