184 



Bartramia iihyphylla. On rocks above Uscoecl Hendry, near Ystradgunlais and Pont 

 Nedd Vechn, (Dillwyn). 



Pterogonium Smithii. Plentiful on the trees between the house and gardens of Pen- 

 rice Castle. 



Hypnum populeum. Gathered by myself many years ago in a wood near Bryn Mill, 

 and I believe it has been found in Cline Wood, and other places, (Dillwyn). 



alpinum. Gathered by Mr, Woods at Uscoed Eynon Gam, and by myself 



at Darran yr Ogof, above Ystradgunlais, and it appears to us to be distinct from 

 Hyp. plumosum, (Dillwyn). 



■ sericeum. Mumbles Castle and Common. 



commutatum. On wet rocks at Darran yr Ogof, and is quite distinct from 



Hyp. filicinum, which grows about Uscoed Eynon Gam, (Dillwyn). 

 Marchantia polymorpha and hemisphcerica. Cromlyn Bog. 

 Jungermannia asplenioides and epiphylla. 

 Endocarpon miniatum. Mumbles Castle. 

 Parmelia saxatilis. 



Peltidea venosa. On Pennard Castle. 

 Cladonia uncialis. Swansea sands. 

 Chara translucens. Found by Mr. Ralfs in Cromlyn Bog. 



Jlexilis and hispida. Pools in Cromlyn Bog and canal. 



vulgaris. Port Tennant. 



Halidrys siliquosa. Near Mumbles light-house. 



Fxicus vesiculosus, serratus and canaliculatus. Mumbles and Swansea sands. . 

 Himanthalia Lorea. Not unfrequently washed on shore during storms at sea. 

 Desmarestia ligulata. Not unfrequently picked up, particularly after a storm in the 



summer months, on the shores of the Mumbles and Caswell Bay, but I do not 



recollect having found it in a growing state, (Mr. Ralfs). 

 Dichloria viridis. On the shore, among rejectamenta of the sea; not common. 

 Elaionema villosum. Rocks in the sea, about the Mumbles Point ; not common. 

 Dictyota dicliotoma. On rocks in the sea, not uncommon. 



atomaria. In pools among the rocks by the Worms Head, (Dillwyn). In 



Bracelet Bay, abundant and very line. 



Chorda Filum. Swansea sands. 



Cladostefhus verticillatus. On rocks in the sea on the coast of Gower, but not so com- 

 mon as C. spongiosus, which abounds on this and I believe on every other shore, 

 (Dillwyn). 



Sphacelaria filicina. Found in a pool at Bracelet Bay. 



• — scoparia and cirrhosa. Bracelet Bay ; pools among rocks at Mumbles 



Point. 



Dumontiafiliformis. Bracelet Bay ; the Mumbles. 



. ^. crispata. On rocks in the sea, not uncommon. 



Hahjmenia furcellata. Occasionally found among the rejectamenta on the sea-shore. 



Iridcea edulis. Near the Mumbles light-house. 



Polyides rotundus. Bracelet Bay, and near the Mumbles light-house. 



Furcellaria fastigiata. Swansea sands ; in pools among the rocks at the Worms Head. 



Delesseria sanguinea. Pools in Bracelet Bay. This beautiful species is not unfre- 

 quently thrown on the sea-shore. 



■ sinuosa. Pools by the Mumbles light-house ; and it sometimes attains the 



