[ 179 ] 



Algological Notes. 



By 

 George Brebner. 



The followin2 list shows the additions made to the marine flora of 

 Plymouth and district, as a result of the dredging, &c., carried on from 

 the 6th September to the 10th December, 1895. 



MYXOPHYCE.E, Stizenl. (= Cyanophyce^e, Sachs). 



Lynghya 3fe7ieghiniana, Gom. (West Hoe). 

 Phormidium persicinum, Gom. (Duke Eock). 

 Plcdonema terehrans, Born, et Flah. (Cawsand Bay). 

 Mastigocoleus tcstarum, Lagerh. (Drake's Island). 



CHLOEOPHYCEJE. 



Gomontia polyrhiza, Born, et Plah. 

 Ostreohium Queketti, Born, et Flah. 



PH^OPHYCE^. 



Desmarestia Dresnayi, Lamx. (Eddystone, &c.). 



Ectocarpus velutinus, Kiitz. (Eocks at Ladies' Bathing Place, &c.). 



„ „ var. latcrifrudus, Batt. in lit. (Eocks at Ladies' 



Bathing Place, Eum Bay, Eirestone Bay, &c.). 

 Ectocarpus terminalis, Klitz. (Firestone Bay). 



Leptoncma fasciculatum, Eke. var. 'iincinatuvi, Eke. (Cawsand Bay). 

 Ralfsia clavata, Cm. (Drake's Island). 



„ spongiocarpa, Batt. (Wembury Bay). 



ELOEIDE^. 



Those marked * are new to science, f new to Britain. 

 Conchocelis rosea, Batt. (Cawsand Bay, &c.). 

 ^'Colaconcnia Bonnemaisonur, Batt. in lit. (Eddystone, Mewstone, &c.). 



* „ Chylocladio', Batt. in lit. (r)Ovisand Bay, &c.). 



* „ reticulatum, Batt. in lit. (Dredging 34). 



