TRIBE—LAMINARIEÆ. Alaria esculenta Edible Alaria Laminaria digitata Tangle ” saccharina Sweet Laminaria ” bulbosa Sea-furbelows Chorda filum Thread Ropeweed TRIBE—DICTYOTEÆ. Dictyosiphon fæniculaceus Tubular Netweed Asperococcus echinatus Wooly Rough-weed ” compressus Compressed ” TRIBE—CHORDARIEÆ. Chordaria flagelliformis Whiplash weed Mesogloia virescens Verdant Viscid-weed ” vermicularis Wormy ” TRIBE—ECTOCARPEÆ. Cladostephus verticillatus Whorled Cladostephus ” spongiosus Spongy ” Sphacellaria scoparia Brown-like Sphacellaria ” plumosa Feathered ” ” Cirrhosa Nodular ” Ectocarpus litoralis Shore Ectocarpus ” siliculosus Podded ” ” tomentosus Feathered ” RHODOSPERMEÆ OR RED SEAWEEDS. TRIBE—RHODOMELEÆ. Polysiphonia fastigiata Tufted Polysiphonia ” urceolata Hair-like ” ” nigrescens Dark ” TRIBE—LAURENCIEÆ. Bonnemaisonia asparagoides Asparagus-like Bonnemaisonia Laurentia pinnatifida Pinnatifid Pepper-dulse ” cæspitosa Tufted ” ” dasyphylla Sedum-leaved ” TRIBE—CORRALLINEÆ. Corallina officinalis Officinal Coralline Jania Jania Melobesia Melobesia TRIBE—DELESSERIEÆ. Delesseria alata Winged Delesseria TRIBE—RHODYMENIEÆ. Rhodymenia palmata Dulse ” ciliata Ciliated Rhodymenia Hypnea purpurescens Purple Hypnea TRIBE—CRYPTONEMIEÆ. Gelidium Jellyweed Gigartina mamillosa Papillary Grape-stone Chondrus crispus Irish moss Polyides rotundus Round Polyides Furcellaria fastigiata Slippery Forkweed Halymenia rubens Red Sea-film ” membranifolia Membranous Sea-film ” edulis Edible ” ” palmata Palmated ” ” lacerata Lacerated ” Catanella opuntia Catanella opuntia TRIBE—CERAMIEÆ. Ceramium rubrum Red Hornweed ” diaphanum Diaphanous ” ” ciliatum Hairy ” ” echionotum Irregularly-spined Hornweed ” acanthonotum Spined ” ” nodosum Nodose ” Callithamnion tetragonum Square-branched Callithamnion ” plumula Feathery ” ” polyspermum Many-spermed ” CHLOROSPERMEÆ OR GRASS GREEN SEAWEEDS. TRIBE—CONFERVEÆ. Couferva rupestris Rock Crowsilk ” lanosa Woolly ” ” fucicola Wrack ” ” tortuosa Twisted ”