Contribution. I. 99 



Descr. Punctaria plantaginea J. G. Ag. Spec. Alg. I, p. 73. 

 Fig. „ „ Harv. Phyc. Brit. t. J 28. 



Phycolapathum plantagineum Kiitz. Tab. Phyc. 6, t. 48. 



„ fissum Kiitz. 1. c. 



Exsicc. Punctaria plantaginea Aresch. Alg. Scand. exsicc. No. 170. 



„ „ Hauck et Rickt. Phyc. univ No. 166. 



f. linearis Fosl. 

 Arct. havalg. p. 9. 

 Descr. Punctaria plantaginea /? linearis Fosl. 1. c. 

 Syn. Ulva rubescens Lyngb. Hydr. Dan. p. 27. 



„ „ Sommerf. in Act. Nidros p. 51. 



Fucus „ „ Suppl. p. 183. 



Litoral, occurring in rock-pools in the lower part of the 

 region, on open as well as sheltered coasts, but not in much 

 exposed localities. It bears zoosporangia in the later half 

 of July and the first part of August. A transition between 

 f. typica and f. linearis has been taken at Bugonses and Vadso. 



Distribution: Scattered and very scarce along the whole 

 coast. 



Fam. Desmarestiacese Thur. 



in Le Jol. Liste Alg. Cherb. p. 14. 



Gen. Desmarestia (Lamour.) Grev. 

 Alg. Brit. p. XXXJX; Lamour. Ess. p. 43; spec. excl. 



Desmarestia acuelata (L.) Lamour. 

 1. c. p. 45; Fucus acuelatus L. Spec. PI. Ed. 2, p. 1632. 

 Descr. Desmarestia acuelata J. G. Ag. Spec. Alg. 1, p. 167. 

 Fig. „ „ Harv. Phyc. Brit. t. 49. 



„ „ Kiitz. Tab. Phyc. 9, t. 94. 



„ hybrida „ „ 9, t. 93. 



Exsicc. m acuelata Aresch. Alg. Scand. exsicc. No. 87 et 165. 



Syn. Desmia acuelata Lyngb. Hydr. Dau. p. 34. 

 Fucus acuelatus /S Wg. Fl. Lapp. p. 502. 

 » virgatus Gunn. Fl. Norv. 1, p. 45. 



