CELLULOSvE. ALGACE^. 103 



Order C. ALGACE^E, 



Suborder I. MELANOSPERME^E. 



Tribe I. Fucoidece. 



465. CYSTOSEIRA, Ag. CYSTOSEIRA. 



401. C. ericoides, Ag. Heathlike Cystoseira. Bantry bay : Miss 

 Hutchins. Cork harbour and along the coast. common. 



402. C. granulata, Ag. Granulated Cystoseira. Bantry bay : Miss 

 Hutchins. Youghal : Mm Ball. Along the coast. rather common. 



403. C. fceniculacea, Grev. Fennelleaved Cystoseira. Along the 

 south western shore of the county : Dr. W. H. Harvey. rare. 



404. C. fibrosa, Ag. Fibrous Cystoseira. Bantry bay : Miss 

 Hutchins. Near Youghal : Miss Ball. Cork harbour : Dr. Scott rare. 



466. HALYDRYS, Lyngb. HALYDRYS. 



405. H. siliguosa, Lyng. Podded Halydrys. Near Youghal : Miss 

 Ball. And along the coast. very common. 



467. Fucus, Linn. Ag. Fucus. 



406. F. vesiculosus, L. Bladdered Fucus. By the shore. common. 



407. F. ceranoides, L. Horned Fucus. By the shore of the 

 county Cork : Dr. W. H. Harvey. Youghal : Miss Ball. rather rare. 



408. F. serratus, L. Serrated Fucus. On rocks by the coast in 

 all directions. very common. 



409. F. nodosus, L. Knotted Fucus. On rocks along the coast, 

 on all sides. very common. 



410. F. canaliculatus, L. Channelled Fucus. Cork and Kinsale 

 harbours . common. 



411. F. tuberculatus, Huds. Tuber cled Fucus. Ban try bay: Miss 

 Hutchins. By the western coast : Dr. W. H. Harvey. rather rare. 



468. HIMANTHALIA, Lyngb. HIMANTHALIA. 



412. H. lorea, Lyngb. Strapshaped Himanthalia. Cork harbour; 

 Cable Island ; and by the coast on rocks. common. 



Tribe II. Lichinece. 



469. LICHINA, Ag. LICHINA. 



413. L. pygmaa, Ag. Dwarf Lichina. Cork harbour: Dr. Scott. 

 By the coast : Dr. W. H. Harvey. rather rare. 



414. L. confinis, Ag. Least Lichina. Bantry bay: Miss Hut cfiins 

 Cork harbour : Dr. W. H. Harvey. By the coast. rather rare. 



Tribe III. Laminariece. 



470. ALARIA, Grev. ALARIA. 



415. A. esculenta, Grev. Esculent Alaria. Cork harbour: Dr. 

 Scott. Youghal bay : Mr. R. Ball, On rocky coasts in deep 

 water. common. 



