Contribution. I. 



71 



Fani. Laminariaceæ (Ag.) Tliur. 



in Le Jol. Liste Alg. Clierb. p. 15; Ag. Syst. Alg. p. XXXVI; lim. mut. 



Gen. Alaria Grev. 



Alg. Brit. p. XXXIX. 



Alaria esculenta (L.) Grev. ■ 



1. c. p. 25; Fucus esculentiis L. Mant. 1, p. 135. 



f. pinnata (Gunn.) Fosl. 



Krit. fortegn. p.l33; Fucus pinnatus Gunn. Fl. ^N^orv. 1, p. 

 Descr. Alaria must^folia J. G. Ag. Gronl. Lamin. ocli Fac. p, 33. 

 Fiff, Laminaria esculenta var. platyphylla De la Pyl. Prodr. Terr. neuve, 



t. 9, iig. D. 



Syn. Fucus esculentus Wg. Fl. Lapp. p. 404. 



Alaria esculenta f. musccfolia ICjellm. N. Ish. Algfl. p. 265. 



Tlie form of this species, wliich occurs at tlie coast of 

 East-Finmarken, seems to be scarce. I have only seen a 

 few specimens. Perliaps it is more commonly spread. 



Distribution: Unknown to me. I have met witli it at 

 Sværholt and Mehavn. 



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Alaria Pylaii (De la Pyl.) J. G. Ag. 



Gronl. Lam. och Fuc. p. 24; Laminaria Pylaii De la Pyl. Fl. Terre 



neuve p. 29. 



Descr, Alaria Pylaii J. G. Ag. Le. 



K 



ri 



Litoral and sublitoral. It often grows in rock-pools in 

 the lower part of the litoral zone, bnt here it mostly gets 

 rather dwarfed. It is best developed in the upper part of 

 the. sublitoral zone, on a depth of 1—8 fathoms, and here I 

 have seen specimens which had a length of lm. and more. 

 A young speoimen tåken on a depth of 5 — 8 fathoms has a 

 proportionally broad lamina.' The stipe of it is 8 cm. long, 

 hearing a few very young (2 mm. long) sporophylls. The 



*. Ihe elder specianens I coUected are lost, audlhavenotexactmc-^surQ 

 of tibesi, 



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