450 PI10E. DICKIE OX ALU.K 



Chordahia flagelliformis, Light/. 



Smaller and paler than British examples. 



ECTOGABPACEJS. 



Ectocarpus siliculosus, Lyngb. 



Mr. Moseley's are not well prepared ; I think, however, they 

 must belong to this species, and to the ordinary form with short 

 pedicels to the sporangia, the latter being like those of the 

 British plant. 



CeRAMIACE/E. 



Ceramium rubrum, Huds. 



(3) Algce collected on the Shores of Osima Harlour, S. coast of 

 Nipon, Japan. The rocks composed of slate with dykes of 



porphyry. 



Fucace^:. 



Sargassum sco pari um, Turner. 

 S. pinnatifolium, Ag. 

 S. hemiphyllum, Turner. 

 S. microceratium, Mertens. 

 Cystophyllum Swartzii, Ag. 



Cystoseira spicigera, Mertens? 

 A fragment only. 



Tkeptacantha Sonderi, Ktz. 



FUCUS LEPTOPHYLLUS, Ktz. 



Lamixariace.k 



Lamixaria japonica, Aresch. 



m DlCTYOTACE.E. 



Padina Commersonii, Bory. 

 Uydroclathrus cancellatus, Bory. 



Corallinacej:. • 

 llthothamnion polymorphum, l. 



Found cast on shore near the village of Hasingui, in Osima 

 Harbour. 



Amphiroa Gaillonii, Lamx.l 

 Very fragmentary specimens. 



A. dilatata, Lamx. 



A dwarf form. 



