CELLULOSE. ALGACE^. 105 



430. D. atomaria, Grev. Sprinkled Dictyota. On the shore at 

 Ballycotton : Miss Ball. rare. 



479. DJCTYOSIPHON, Grev. DICTYOSIPHQN. 



431. D. fceniculaceus, Grev. Fennel Dictyosiphon. Ballycotton ; 

 Youghal ; washed ashore : Miss Ball. Frequent on the Irish coast : 

 Dr. W. H. Harvey. rather rare. 



480. PDNCTARIA, Grev. PUNCTARIA. 



432. P. plantaginea, Grev. Plantain Punctaria. Ballycotton, 

 growing : Miss Ball. Along our coast, on stones and corallines : 

 Dr. W. H. Harvey. rather rare. 



481. ASPEROCOCCUS, Lamour. ASPEROCOCCUS. 



433. A. Turneri, Hook. Turners Asperococcus. Bantry bay : Miss 

 Hutchins. The only station recorded. very rare. 



434. A. echinatus, Grev. Fistulous Asperococcus. Along the coast of 

 the county on rocks. common. 



435. A. pusillus, Hook. Least Asperococcus. Youghal ; Bally- 

 cotton : Mm Ball. Probably elsewhere along our coast. rather rare. 



482. CHORDA, Stack. WHIPLASH. 



436. C. lomentaria, Grev. Jointed Whiplash. Ballycotton and 

 Youghal bays: Miss Ball. By the coast occasionally on rocks 

 and stones : Dr. W. H. Harvey. rather rare. 



437. C.filum, Lam. Common Whiplash. Cork harbour. very 



483. CLADOSTEPHUS Ag. CLADOSTEPHUS. 



438. C. verticillatus, Lyng. Whorled Cladostephus. Youghal, 

 and along the coast on corallines and rocks. rather rare. 



439. C. spongiosus, Ag. Spongy Cladostephus. Cork harbour and 

 on rocks by the coast. common. 



484. SPHACELLARIA, Lyngb. SPHACELLARIA. 



440. S.filicina, Ag. Ferny Sphacellaria. Youghal, washed ashore : 

 Miss Ball. Kinsale harbour : Miss King. very rare. 



441. S. scoparia, Lyngb. Broom SpMcellaria. Ballycotton : Miss 

 Ball. Kinsale harbour : Miss King. rather rare. 



442. S. cirrhosa, Ag. Pinnate Sphacellaria. All the varieties, 

 Youghal : Miss Ball. On Alga and Corallines along the coast of 

 the county : Dr. W. H. Harvey. common. 



443. S. radicans, Harv. Creeping Sphacellaria. Bantry bay : Miss 

 Hutchins. Various parts of Ireland : Dr. W. H. Harvey. rather rare. 



444. S. olivacea, Ag. Olive Sphacellaria. On rocks by the coast : 

 Dr. W. H. Harvey. The only person who has met it. very rare. 



445. S. velutina, Grev. Velvety Sphacellaria. Cork harbour : Dr. 

 Scott. On the larger Algce along our coast : Dr. W. H. Harvey. 

 rather rare. 



485. ECTOCARPUS Lyngb. ECTOCARPUS. 



446. E. littoralis, Lyngb. Common Ectocarpus. Cork harbour and 

 along the coast of the county. very common. 



