CHAPTER XIX. MARINE PLANTS. |
| The AlgÆ.—Zostera marina.—The UlvÆ and EnteromorphÆ.—The Fuci.—The LaminariÆ.—Macrocystis pyrifera.—Description of the Submarine Thickets at Tierra del Fuego.—Nereocystis lutkeana.—The Sargasso Sea.—The Gathering of edible Birds'-nests in the marine Caves of Java.—Agar-Agar.—The FlorideÆ.—The DiatomaceÆ.—Their importance in the economy of the Seas | 390 |
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