126 



Mr. Winch's Flora of Northumberland, &;c. 



213. POLYIDES. 

 1. P. lumbricalis. 

 Agardh, Syn. 392 ; P. rotundus, Gr. Algae, 70 ; 

 Berwick Flora, ii. 233 ; Fucus rotundus, Eng. 

 Bot. 1 738 ; Turn. Hist. t. 5 ; Ner. Brit. 15, t. 6. 

 On rocks and stones on the coast, not rare. Near 

 Berwick — Dr. G. Johnston. 



214. DUMONTIA. 

 1. D. filiformis. 

 Gr. Algae, 165 ; Berwick Flora, ii. 246 ; Halymenia 

 Jiliformis, Agardh, Syn. 214; Chondria purpuras- 

 ecus, Gr. Fl. Eds. 290 ; Ulva purpurascens, Eng. 

 Bot. 641. 

 On rocks in pools left by the tide, frequent. 



215. CHORDA. 

 1. C. Filum. 

 Gr. Algae, 47 ; Berwick Flora, ii. 247 ; Scytosiphon 

 Filum, Agardh, Syn. 161; Fucus Filum, Eng. 

 Bot. 2487; Turner, Hist. t. 86. 

 On the coast in deep water. 



216. ASPEROCOCCUS. 

 1. A. echinatus. 



Gr. Alga?, 50 ; Berwick Flora, ii. 248 ; Encalium 

 Lyngbyanum, Gr. Crypt. Fl. t. 290 ; Fistularia 

 attenuate/, Gr. Fl. Eds. 300 ; Ulva Jislulosa, Eng. 

 Bot. 642. 

 On the beach at. Manhaven near Whitburn, D. Near 

 Cullercoats, N. At Berwick. — Dr. G. Johnston. 



217. PUNCTAEIA. 

 1. P. plantaginea. 



Gr. Algae, 53 ; Berwick Flora, ii. 248 ; Zonaria 

 plantaginea, Sprengel, Svst. Veg. iv. 326 ; Ulva 

 plantaginea, Eng. Bot. 2i36. 

 On rocks near Berwick. — Dr. G. Johnston. 



218. ZONARIA. 

 1. Z. deusta. 



Spreng. Syst. Veg. 327 ; Berwick Flora, ii. 248. 

 On rocks near high-water mark in Berwick Bay, 

 frequent. — Dr. G. Johnston, who considers it Zo- 

 naria paivula of GrevilJe, in a mature state. 



219. PORPHYRA. 



1. P. Ineiniata. 

 Gr. Algae, 168; Agardh, Syn. 190 ; Ulva lacitiiata, 

 ' Berwick Flora, ii. 249; Lightfbot, 974, t. 33, 



U. umbilicalis, Eng. Bot. 2286. 

 On rocks and stones on the coast, N. and D. 



2. P. vulgaris. 

 Gr. Algoe, 169 ; P. purpurea, Agardh, Syn. 191 ; 



Ulva umbilicaris, var. clongata, Gr. Fl. Eds. 299. 

 On rocks and stones on the coast, N. and D. 



220. ULVA. 



1. XT. latissima. 

 Gr. Algce, 171; Agardh, Syn. 4-07; Berwick- 

 Flora, ii. 250 ; U. Lactuca, Eng. Bot. 1551 ; Gr. 

 Fl. Eds. 299 ; TJ. Lactuca, var. latissima, Light- 

 toot, 971- 

 On stones and rocks, frequent, N. and D. 



U. Lactuca. 

 Agardh, Syn. 409; Gr. Crypt. 313; Alga?, 172; 



Berwick Flora, ii. 250. 

 On rocks on the coast, abundant. 

 U. lima. 



Agardh, Syn. 412 ; Gr. Fl. Eds. 299 ; Algae, 173. 

 /3 lanceolate, Dill. t. 9, f. 5. 

 On the beach near Hartley, N. Near Sunderland, 



D. At Hartlepool, D.— J. Hogg, Esq. 

 U. bullosa. 



Agardh, Syn. 414; Eng. Bot. 2320; Hook. Fl. 

 Scot. 91; Berwick Flora, ii. 250; Gr. Algae, 

 174 ; A. lactuca /3, Lighttbot, 971 ; Hudson, 567. 

 In ditches at Jarrow Slake, D. In ponds in the Mag- 

 dalen Fields at Berwick. — Dr. G. Johnston. 



5. U. crispa. 

 Agardh, Syn. 416; Lightfbot, 972; Berwick- 

 Flora, ii. 250 ; Gr. Alga?, 175 ; Trcmclta crispa, 

 Northumberland and Durham Guide, ii. 67 ; T. 

 terrestris, Dill. t. 10, f. 12. 



On old walls near Harton and Sunderland, D. On 

 old walls and on the roofs of cottages, N. and D. 

 On the ground in East Common Wood near Hex- 

 ham, N. Near Berwick Dr. G. Johnston. 



6, U. calophylla. 

 Berwick Flora, ii. 251 ; Spreng. Syst. Veg. iv. 



368; Gr. Algae, 176; Bangia calophylla, Crypt, 

 t. 220. 

 On rotten wood near Berwick, mixed with Conferva 

 muralis. — Dr. G. Johnston. 



- 221. ENTEROMORPHA. 



1. E. intestinalis. 

 Gr. Algae, 179 ; Fistularia intestinalis, Gr. Fl. Eds. 



300; Ulva intestinalis, Agardh, Syn. 418; Dill, 

 t. 9, f. 7 ; Berwick Flora, ii. 249." 

 In Jarrow Slake and Coble Dene, on the Tyne, N. 

 In the Tweed. — Thompson's Berwick Plants. In 

 the Wear near Southwick and Pallion, D. 



2. E. compi'essa. 

 Gr. Algae, 180 ; Fistularia compressa, Fl. Eds. 300 ; 



Ulva compressa, Agardh, Syn. 420; Eng. Bot. 

 1739 ; Berwick Flora, ii. 249 ; Dill. t. 9, f. 8. 

 On the sea coast, not rare. 



222. BRYOPSIS. 

 1. B. plumosa. 

 Agardh, Syn. 448 ; Ulva plumosa, Eng. Bot. 2375 ; 



Gr. Alga?, 187. 

 In rocky basins on the coast at Whitburn, Seaton, and 

 Hartlepool, D. At Berwick. — Dr. G. Johnston. 



223. VAUCHERIA. 



1 . V. terrestris. 

 Gr. Algse, 191 ; Berwick Flora, ii. 251. 

 Under shelving rocks on the coast near Berwick. — 



Dr. G. Johnston. 



2. V. cccsjAtosa. 



Gr. Algae, 194 : Berwick Flora, ii. 251 ; Conferva 



amphibia, Dillwyn. t. 41. 

 Common on mill dams, and wherever wood is exposed 

 to the dropping of water. 



3. V. gemlnata. 



Gr. Algoe, 139, t. 19, £ 3 ; Berwick Flora, ii. 1 52 ; 



Eng. Bot. 1766. 

 In ditches near Berwick. — Dr. G. Johnston. 



