8g M. Foslie. 



on the other hand, it sometimes reminds of certain forms of 

 L. saccliarina. It is an easely recognized species, living in 

 pools at low-water mark, or more commonly in the upper- 

 most part of the sublitoral zone. It thrives best in sheltered 

 places but has also been found in rather exposed localities. 

 It is a proportionally small Laminaria, though the lamina 

 often becomes pretty large. The stipe is always feeble and 

 pliable, mostly prostrate, either very short (f. cucullata) or 

 elongated (f. longipes), though never reaching any consider- 

 able length. It is unknown to me when the plant develops 

 its reproductive organs. 



Distribution: Found at Svaerholt (f. cucullata), rare, and 

 at Berlevaag (f. longipes and f. cucullata), local and scarce. 



Fam. ChordacesB (Ktitz.) Eke. 



Ostseefl. p. 62; Kiitz. Phyc. gen. p. 333; lim. mut. 



Gen. Chorda (Stackh.) Lamour. 

 Ess. p. 46; Stackh. Ner. Brit. p. XVI; ex parte. 



Chorda filum (L.) Stackh. 

 1. c. Fucus filum L. Spec. PI. p. 1162. 



f. typica. 

 Descr. Chorda filum Aresch. Obs. Phyc. 3, p. 13. 

 Fig. „ „ Harv. Phyc. Brit. t. 107. 



Exsicc. „ „ Aresch. Alg. Scand. exsicc. No. 92. 



f. subtomentosa Aresch. 



Obs. Phyc. 3, p. 13. 

 Descr. Chorda filum /S subtomentosa Aresch. 1. c. 

 Exsicc. Chorda filum var. subtomentosa Aresch. Alg. Scand. exsicc. No. 168. 



Syn. Fucus filum Gunn. Fl. Norv. 



„ „ Wg. Fl. Lapp. p. 505. 



This species is in general sublitoral, living chiefly in 

 ^he uppermost part of the gone on a depth of \ —3 fathoms, 



