4'' 



Elachista fucicola (Veil.) Aresch. typica Rosenv. 



Nom, Jap, : .\<ni-i>i<ikur<*. 

 PL. CLXIII. 



F.lnchista fucicola (Vahl.) Aresch. <> typica Rosenv. GrunL 

 Haval. p. X78.1*:. fucicola (Vahl.) Aresch. Phyc. Scan Jin. 

 p. 377(155) tab. IX, fig. c; Kjellm. Alg. Arctic Sea p. 314 

 (253); J. Ag. Sp. Alg. I, p. 12; Id. Till Alg. Syst. IV, p. 

 14; Harv. Phyc. Brit. t. 240; Id. Ner. Bor. Amer. Vol. I, 

 PI. XI b; Farlow Mar. Aig. New Kngl. p. 81, PI. 7. 114. 

 3 ; De Toni Syll. Alg. Ill, p. 442 ; Borgesen Mar. Alg. o f tho 

 Faeroes, 1902, p. 434 ; Hauck Meeresalg. p. 353, f. 141- 

 Phycophila ferruginea, Agan//iii, rigula, gnicilis, vulpinu, ///. 

 &c, Kuetz. Tav. Phyc. VII, t. 96, 97, 98, 99. 



Fronds tufted, globular, 5-1 2 mm. in diam., basal portion 

 distinct, subglobose (2-5 mm. in diam.), exserted filaments 

 rather stiff about 40 thick, gradually alternated at b:no, 

 ebtuse at apex, with cells of the lower portion about hah' as 

 long as thick or little longer in the upper portion ; para- 

 physes slightly curved, clavate, with upper articulations 

 submoniliform ; unilocular sporangia oblong or elongated- 

 obovate ; pleurilocular sporangia linear or filiform ; oucn 

 two sorts of sporangia mixed in one and the same frond. 

 Colour yellowish brown. Snbxtuncc soft and rather gelati- 

 nous. 



Hah.: On various kinds of Sargassum. Prov. Iwaki, 

 Prov. Kikuzen. Fruits : August in Prov. Iwaki. 



PL. CLXIII. Fig. 1: fronds of Elachista fucicola of several 



