XXX PBOCEEDINGS OP THE 



Many forms are strictly localized to particular soils and con- 

 ditions of climate. 4. The Moss-flora of the Cape is charac- 

 terized by an almost total absence of alpine forms. 



4. " Contributions to the Botany of the ' Challenger ' Expedi- 

 tion." Communicated by Dr. Hooker, V.P.L.S. 



No. XV. " Notes on Plants collected in the Islands of the 

 Tristan d'Acunha Grroup." By H. N. Moseley, Esq. 



The only published accounts of the flora of Tristan d'Acunha 

 are by Da Petit Thouars in his ' Melanges,' and by Captain Car- 

 michael in the ' Transactions of the Linnean Society,' vol. xii. 

 The area of the island is sixteen, and not two, geographical square 

 miles, as stated in Grrisebach's ' Vegetation der Erde.' The 

 fruit of Phylica arborea is described as being eaten by birds. In- 

 accessible Island, four square miles in extent and twenty-three 

 miles from Tristan d'Acunha, was also visited, probably for the 

 first time by any European naturalist. 



No. XVI. "List of Algffi collected by Mr. H. N. Moseley at 

 Tristan d'Acunha." By G. Dickie, M.D., E.L.S. 



Two new species are described. 



5. " On a new Australian Sphaeromoid {Cyclura venosd); and 

 Notes on Dynamene rubra andZ). viridis.''^ By the Rev. T. R. R. 

 Stebbing. Communicated by "W. "W. Saunders, Esq., V.P.L.S. 



This form belongs apparently to a new genus. It was found in 

 Sidney Harbour, under stones at the lowest ebb-tides. 



6. " Descriptions of five new Species of Gonyleptes.'" By A. 

 a. Butler, Esq., E.L.S. 



These are additional to the monograph of the genus already 

 published by the writer. 



7. " Observations on the IPruit of NitopJiyllum versicolor.'^ By 

 Mrs. Merrifield. Communicated by E. Currey, Esq., Sec. L.S. 



The paper contains a description of the coccidia of this species, 

 hitherto unknown, although the plant was described in 1800. 



