APPENDIX IV 267 Lichens :— Verrucaria maura. Rhizocarpon confervoides. Buellia colludens. Physcia parietina. &c. APPENDIX IV Plants of the Salt Marsh Algce\— Rhizoclonium. Enteromorpha. Vaucheria Thuretii. Lyngbya. Microcoleus chthonoplastes. Fucus vesiculosus, forms—volubilis, limicola, muscoides. Fucus balticus. Pelvetia canaliculata, forma libera. Ascophyllum nodosum v. scorpioides. Bostrychia scorpioides. Angiosperms :— Salicornia annua (Chenopodiaceæ). Salicornia ramosissima (Chenopodiaceæ). Salicornia radicans, &c. (Chenopodiaceæ). Suæda maritima (Chenopodiaceæ). Obione portulacoides (Chenopodiaceæ). Glyceria maritima (Gramineæ). Spartina stricta (Gramineæ). Spartina Townsendii (Gramineæ). Triticum pungens (Gramineæ). Scirpus maritimus (Cyperaceæ). Cochlearia officinalis, &c. (Cruciferæ). Statice Limonium (Plumbaginaceæ). Statice humilis (Plumbaginaceæ). Statice reticulata (Plumbaginaceæ).