390 



Marine Algce oj Berwick-on-Tweed. 



Gelidium, 346. 



Gigartina, 293, 326, 332, 34,5, 

 Gloeocapsa, 230. 

 Gloeosiphonia, 326. 

 Gomontia, 253. 

 Gongroceras, 327, 328. 

 Goniotrichum, 233. 

 Gracilaria, 345. 

 Griffithsia, 325. 

 Gymnogongrus, 333. 



Hamiatocelis, 315. 

 Haematophtea, 316. 

 Hafgygia, 297, 299. 

 Halidrys, 302. 

 Haligenia, 296. 



Halymenia, 329, 339, 340, 345. 

 Hapalidium, 356. 

 Harveyella, 346. 

 Helicothamnion, 355. 

 Helminthocladia, 293. 

 Herponema, 274. 

 Herpothamnion, 319, 322. 

 Hildenbraudtia, 317. 

 Himanthalia, 306. 

 Hormidium, 255. 

 Hormoceras, 327. 

 Hormospora, 233. 

 Rormotrichum, 257. 

 Hutchinsia, 349-353, 356. 

 Hydrolapathum, 340. 

 Hypnea, 335, 345. 

 Hypoglossum, 343, 344. 



Ilea, 266. 

 Indeed, 329. 

 Isactis, 242. 

 Isthmoplea, 277. 



Laminaria, 266, 268, 270, 296-301. 



Laurencia, 354. 



Leathesia, 292. 



Leibleinia, 243, 244. 



Linckia, 241. 



Lithocystis, 356. 



LitJwderma, 289. 



Lithophyllum, 359. 



Lithothauinion, 359, 360. 



Lifcosiphon, 267, 268. 



Lomentaria, 336, 367, 345. 



Lophura, 345. 



Lyngbya, 239, 240, 256, 257. 



Mastigocoleus, 245. 

 Mastocarpus, 332. 

 Maugeria, 340. 

 Melobesia, 357-360, 363. 

 Mesogloea, 293, 326. 

 Microchaete, 245. 

 Microcoleus,*237, 238. 

 Millepora,[3b9. 

 Monostroma, 246. 

 Myrionema, 288-290. 

 Myriotrichia, 273. 



Nemalion, 315. 

 Nitophyllum, 340-342. 

 Nodularia, 240. 

 Nullipara, 360. 



Odonthalia, 347, 348. 

 Oscillaria, 234-237. 

 Oscillatoria, 243. 

 Ozothalia, 306. 



J'adina, 302. 

 Padinella,' 302. 

 Palmella, 232. 

 Pelvetia, 305. 

 Petrocelis, 313, 314. 

 Peyssonnelia, 310, 311. 

 Phlebothamnion, 323, 324. 

 Phlceospora, 271, 272. 

 Phycodrys, 344. 

 Phgcolapathum, 266, 268. 

 Phycophila, 290, 291. 

 Phycoseris, 248, 252. 

 Phyllitis, 266, 267. 

 Phyllophora, 333, 334. 

 Phyllotylus, 334. 

 Physactis, 242. 

 Pleurococcus, 230. 

 Plocamium, 338. 354, 355. 

 Plocaria, 325, 345. 

 Pascilothamniov, 322-324. 

 Polycystis, 232. 

 Polyides, 347. 

 Polysiphonia, 349-353. 

 Porpliyra, 307-309. 

 Prasiola, 246. 

 Protococcus, 230. 

 Pseudo-clisetopteris, 283. 

 Pterothamnion, 321. 

 Ptilota, 325, 326. 

 Ptilnthamninn, 322. 

 Punctaria, 2fi8. 

 Pylaiella, 278. 



