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Algological Notes. 



By 



George Brebner. 



The following is a list of the most important finds since the report in 

 the last number of this Journal. 



NEW TO BRITAIN. 



MYXOPHYCE.E. 



Oscillatoria rosea, Crn. (Queen's Ground). 

 *Symploca aUantica, Gom. f. jJurjmrea, Batt. in lit. (Yealm). 

 *HyeUa cccspitosa, Born, et Flah. var. nitida, Batt. 



PHzEOPHYCE^.. 



Rcdfsia disciformis, Cm. (Yealm). 



FLORIDEiE. 



*Acrochcdium endopliytimm, Batt. in lit. (Off west-end of Breakwater). 

 *Cruoria rosea, Crn. f. purpurea, Batt. (Yealm). 



Gruoriopsis crvciata, Duf. (Queen's Ground). 



„ Haucldi, Batt. (Off west-end of Breakwater). 



Peyssonelia rupestris, Crn. (Queen's Ground). 



NEW TO PLYMOUTH DISTRICT. 



CHLOEOPHYCE^. 



Cladophora hirta, Klitz. (Drake's Island). 



PH^OPHYCEiE. 



Lithoderma fatiscens, Aresch. (plurilocular sporangia, not previously 

 found in Britain.) (Bovisand Bay). 

 „ simulcms, (Kuck.) Batt. 



