42 



M. Foslie. 



coast. The plant bears tetrasporangia in June, July and 

 August; sporocarps at the end of May, in June, July and 



August. 



Distribution:' Common along the whole coast, at several 

 places abundant but somewhat local. 



Ptilota pectinata (Gunn.) Kjellm. 



K Ish. Algfl. p. 219; Fucus pcctinatus Gunn. Fl. Norv. 2, p. 122. 



f. typica. 



a distans nob. 



r 



Beser, Ptilota serrata J. G. Ag. Epicr. p. 76. 



Fig. 



Ex sic e. 



n 



» 



plumosa var. serrata Kutz. Tab. Phyc. 12, t. 55. 

 serrata Arescb. Alg. Scand. exsicc. Ko. 406. 



P densa nob. 



f. laxe cæspitosaj 4—8 cm. alta; ramis confertisj parce serratis vol 

 Integris. 



j 



f. Kjellmani nob. 



DescT. Ptilota pectinata f. litoralis Kjellm. N. Ish. Algil. p. 219. 



Fig. „ „ ' „ „ 1. c. t. 15, flg. 2—5. 



Syn* Fucus plumosus y tenerrimus Wg. Fl. Lapp. p. 501. 

 Ptilota plumosa [i aspleTioidcs Lyngb. Hydr, Dan. p. 38. 



It has been shown by Kjellman that Ft. serrata 



r _ 



K ti t z. is identic with the plant f ormerly described and fi- 

 gured by Gunnerus under the name of lucuspectinafus. 

 And I have lately stated the occurrens of the species in 

 Gunnerus' herbarium under this name, with exception of 

 a single specimen, which belongs to Ft plumosa^ 



The form described and named by Kjellman f. lito- 

 ralis also occurs in East-Finmarken. Besides this there is 

 to be found within the litoral region another form, which 



v i 



r 



*j Tliere is a consideraLIe misprint in my Krit. fort. p. 103 in referen- 

 ce to tlie specimens of Pif. _fJ6'6'^matainthelierbariumof Gunner us. 

 Instead of «livoraf et tilhorer åtjii fOrm af PL plumosa^ der har 

 karakter af begge arter", there must be read „hvoraf et tilhorer 

 f^r ^plmnosa^^ .(»oiic of which belongs to Pt. plumosa"). 



