REPORT ON THE BOTANY OF THE ADMIRALTY ISLANDS. 271 



ALG.E. 



MELANOSPERME^E. 1 



Sargassum ilicifolium, J. Agardh. 



Sargassum ilicifolium, J. Agardh; Kiitz., Sp. Alg., p. 625 (Carpacanthus) ; Dickie in Journ. Linn. 



Soc. Lond., sv. p. 238. 

 Funis ilicifolius, Tumor, Hist., t. 51. 



Admiralty Islands. — Widely diffused in tropical seas, but we have seen no Australian 

 specimens. 



Sargassum heterocystum, Mont. 1 



Sargassum heterocystum, Mont., Syllog. Gen. et Sp. PI. Crypt., p. 384 1 Dickie in Journ. Linn. Soc. 

 Lond., xv. p. 238. 



Admiralty Islands. — The species was founded upon specimens from the waters of 

 Cochin-China. 



Sargassum berberifolium, J. Agardh. 



Sargassum berberifolium, J. Agardh, Sp. Alg., i. p. 337 ; Harv., Phycol. Austr., v. p. 9 ; Dickie in 

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



Admiralty Islands. — West Australia, and also collected by Gaudichaud at the 

 Admiralty Islands on Freycinet's voyage. 



Sargassum aquifolium, Agardh. 



Sargassum aquifolium, Agardh; J. Agardh, Sp. Alg., i. p. 330; Dickie in Journ. Linn. Soc. Lond., 

 xv. p. 238. 



Admiralty Islands. — Malayan Archipelago. 

 Sargassum gracile, J. Agardh ? 



Sargassum gracile, J. Agardh, Sp. Alg., i. p. 310? Dickie in Journ. Linn. Soc. Lond., xv. p. 238. 



Admiralty Islands. — The true Sargassum gracile is widely dispersed on the shores 

 of the Indian Ocean. 



Sargassum vulgare, Agardh. 



Sargassum vulgare, Agardh; J. Agardh, Sp. Alg., i. p. 342; Harv., Phycol. Austr., v. p. 6 ; Dickie in 

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



Admiralty Islands. — Widely diffused in both hemispheres. 



Sargassum lanceolatum, J. Agardh ? 



Sargassum lanceolatum, J. Agardh, Sp. Alg., i. p. 335 1 Dickie in Journ. Linn. Soc. Lond., xv. p. 23 S. 



Admiralty Islands. — Western Australia. 



1 Extracted from the Journ. Linn. Soc. Lond., xv. 1877, with remarks on distribution added. 



