ALGAE OF THE PRIBILOF ISLANDS. 591 



Mouostroma splendens (Rupr.) Wittr. Kjellman, Beringsliafvets Algflora; 54, 1883. 

 Ulra and Ulraria splendens Rupr., Tauge Och. ; 410, 1851. 



This fine species must be fairly abuiidaut iipou the island, as it is represented in 

 both the collections by a comparatively large number of examples. All the specimens 

 are of a deep brown color, more like that of an old Punctaria than of a member of 

 this genus. (Bering Island.) 



PHAEOPHYCEAE. 

 Dictyosiphon hippuroides (Lyngb.) Kiitz. Kjellman, Beringshafvets Algtlora; 50, 1889. 



A rather slender form of this species occurs in the material of Messrs. Greely 

 and Snodgrass. (Konyam Bay and Bering Island.) 



Mesogloia ? 



A considerable quantity of a sterile plant occurs in the collections of Messrs. 

 Greely and Snodgrass, but as it is sterile it is impossible to tell with certainty 

 even the genus. Further, Kjellman does not mention any member of this groui) as 

 occurring in the Bering Sea. 

 Desmarestia aculeata (L.) Lamour. Kjellman, Beringshafvets Algflora; 50,1889. 



This species occurs in rather typical form in the collections of Messrs. Greely 

 and Snodgrass, but it also approaches at times the broader D. latifrons. A somewhat 

 more terete form is occasionally found in algae from various parts of Bering Sea, and 

 may be what Euprecht has called Spinularia intermedia var. teretifoUa in the Okhotsk 

 flora, and credited by him to St. Paul Island. (St. Lawrence Bay, and St. Lawrence 

 Island.) 



Scytosiphon lomentarius Lyngb. J. 6. Ag. Kjellman, Beringshafvets Algflora; 49, 1889. 



Abundant in all the collections, and in excellent fruit. (Konyam Bay, Port 

 Clarence, Bering Island.) 



Analipus fusiformis Kjellm. Kjellman, Beringshafvets Algflora; 49, pi. 7, f. 5-12, 1889. 



There is a considerable quantity of this species in the collections brought back 

 by President Jordan. The material is in excellent fruit also, so that there can be no 

 doubt but that these specimens are of the same species as Kjellman's. When old 

 and the tips of the upright fruiting portions are worn away, the plant looks very 

 much like a bunch of short eroded fronds of Scytosiphon lomentarius, but they are, of 

 course, provided with the characteristic basal layer, such as no Scytosiphon is known 

 to possess. This, however, is sometimes so inconspicuous that at first sight a 

 specimen might be passed over, when a thorough examination would reveal its 

 identity. All the specimens examined possessed fine unilocular sporangia, which is 

 unknown in Scytosiphon. 



This locality extends the range of this species to the American side of the Bering 

 Sea. (Bering Island.) 



Laminaria longipes Bory. Ruprecht, Tange Och. ; 232, 351, 1851. Kjellman, Beringshafvets Algflora, 

 43,1889. (Plate XCV.) 



This species receives its present specific name from J. G. Agardh (1867, pp. 26, 27), 

 who, while uncertain, feels that it is the best thing to do under the circumstances. 

 Kjellman has followed him, referring the species back again to the genus Laminaria, 

 where it most certainly belongs if the plant which the writer has received and which 



