KEPORT ON THE BOTANY OF THE ADMIRALTY ISLANDS. 273 



RHODOSPERME2E. 



Acanthophora thierii, Lamour. 



Acanthophora thierii, Lamour.; Harv., Nereis Austr., p. 34, et PhycoL Austr., v. p. 17; Dickie in 

 Journ. Linn. Soc. Lond., xv. p. 238. 



Admiralty Islands. — Generally diffused in tropical and subtropical seas. 



Laurencia obtusa, Lamour. 



Laurencia obtusa, Lamour. ; Kiitz., Sp. Alg., p. 854; Dickie in Journ. Linn. Soc. Lond, xv. p. 238. 



Admiralty Islands. — In the Atlantic from the British Islands to Brazil and the Cape 

 of Good Hope ; also in the Indian and Pacific Oceans. 



Laurencia papillosa, Grev.? 



Laurencia papulosa, Grev.? Kiitz., Sp. Alg., p. 855? Dickie in Journ. Linn. Soc. Lond., xv. p. 23S. 



Admiralty Islands. — This species is found in the Atlantic, Pacific, and Indian Oceans. 



Laurencia forsteri, Grev. 



Laurencia forsteri, Grev.; Kiitz., Sp. Alg., p. 854; Hook, f., Handb. Fl. N. Zeal., p. G7G ; Dickie in 

 Journ. Linn. Soc. Lond., xv. p. 238. 



Admiralty Islands. — Australia, Tasmania, and New Zealand. 



Mastophora lamourouxii, Dene. 



Mastophora lamourouxii, Dene. ; Harv., Nereis Austr., t. 41, et Phycol. Austr., v. p. 30; Dickie in 

 Journ. Linn. Soc. Lond., xv. p. 239. 



Admiralty Islands. — Common on the coasts of Australia, and extending- through the 

 Malayan Archipelago to Java ; also South Africa. 



Amphiroa fragilissima, Linn. 



Amphiroa frar/ilissima, Linn. ; Kiitz., Sp. Alg., p. 700; Dickie in Journ. Linn. Soc. Lond., xv. p. 239. 



Admiralty Islands. — Bermuda, West Indies, Pacific coast of South America, and 

 the Malayan Archipelago. 



Amphiroa involuta, Kiitz. 



Amphiroa involuta, Kiitz. ; Dickie in Journ. Linn. Soc. Lond., xv. p. 239. 



Admiralty Islands. 



Melobesia verrucata, Lamour. 



Melobesia verrucata, Lamour. ; Kiitz., Sp. Alg., p. 696 ; Dickie in Journ. Linn. Soc Lond., xv. p. 229. 



Admiralty Islands. — Mediterranean and Southern Ocean. 



(bot. chall. exp.— part hi. — 1885.) C 35 



