Beport of Fauna and Flora Committee — Irhh Phceophycece. 447 



A. echinatus, Grev. 



Common, 10-14. 



/. vermicularis-, Griff. 



Common. First noted as distinct by Dr. D. Moore. 



A. lullosus, Lamx. 



This is the Asperococcus Turneri of Harvey's Phyc. Brit, 

 (pi. 11). 10-14. 



A. comjoressus, Griff. 14 N. 



Dredged in the south-west of Ireland, during the first excur- 

 sion of the Fauna and Flora Committee to Bantry Bay ; also 

 off Eoonane Eock, Dungarvan Bay, October, 1895. 



Order V. — Ecxocaepace^. 



Streblonema, Derb. et Sol. 



This genus grows endophytically on various other Algse, 

 forming in the host plant branching intra-cortical hyphae. 



8. Areschougii, Batt. 



On Himantlialia lorea in Murlough Bay at low water, 1898. N. 

 It occurred in some quantity on Himantlialia lorea at Inishbofin, 

 and is probably common all round the coast. 



S. fascicutatum, Thur. 11 IST. 12 j^. 

 On Castagnea virescens. 



S. velutinum, Thur. {JElacMstea velutina, in Harvey's Phyc. Brit, 

 pi. 286). 



Occurs on all the coasts on the receptacles of Himanthalia 

 lorea^ as velvety cushions. 



S. luteolum, on Fucus. 



Dungarvan Bay, Helvick Pt., Oct. 1896. IST. 



S. simplex^ Holm, et Batt. [Ectocarjnis simplex, Cm.) UN. 

 13 1^. 



On Codium tomentosum and on Ceramium ruhrum. The uni- 

 locular zoosporangia are unknown. The plant with its pluri- 

 locular zoosporangia is described, with illustrations, by Holmes 

 (Journal of Botany, 1887). 



S. mini7m0n, Sauvag. 14 N. 



