64 



Lycopodium laterale. Head of Western River [Tepj^er /). 

 iSelaginella Preissiana. Murray Lagoon and Karatta {Tepper I). 

 'Ophioglossum vulgatum. Karatta {Tepper /). 



A corrected list of the Kangaroo Island Plants is given in my 

 Revised Census of South Australian Plants.* The number of 

 species is 513, but I anticipate considerable augmentation when 

 the moist shaded gullies of the wetter parts of the island shall 

 have been thoroughly explored. This prediction is formed on 

 the fact of the similarity of the flora with that of Port Lincoln, 

 and that several species of the latter, which extend to Encounter 

 Bay, have not yet been found on the island. 



That the flora is a rich one is testified by the number of species ; 

 l)ut as aflbrding some evidence of the massing together of species 

 in a limited area, I append a list of 118 species which were col- 

 lected by me in a very hurried w^ay, and without particular 

 search for inconspicuous species, during an afternoon ramble on 

 October 20 of this year in the vicinity of the DeMole River on 

 the north-west coast. 



The generalizations touching the origin and constitution of the 

 flora, which I submitted to you five years ago, have not been 

 materially affected by the large accessions of species gained during 

 the interval. The number of extra-Australasian species has 

 been increased by Ophioglossum vulgatum and the transference 

 oi Erytlircfa mistral is to E. spicata : but it has, on the other 

 hand, been reduced by expurgation of Festuca bromoides, and the 

 substitution of Potamogeton Tepperi for F. natans and Ejnlohium 

 glahellum for E. tetragouum ; the proportion of such to the 

 whole flora is now one-tenth instead of between a seventh and 

 an eighth. The sequence of the ordinal groups as regards num- 

 bers of species remains about the same ; but the ratio of genera 

 to species is slightly altered, the genera being 256 with 513 

 species, representing a ratio of one to two. 



The number of peculiar species is 14; Xanthorrluea Tatei is 

 now known in the Port Lincoln district and at Mount Crawford, 

 in the Mount Lofty Range ; Cryptandra lialmaturina also occurs 

 at Encounter Bay, as recorded by Baron F. von Mueller (Phil. 

 Soc, Melbourne, vol. 1855, p. 121), wherein the original diagnosis 

 will be found. They are as follows : — Cheiranthera volubilis, 

 Bentham : Bertya rotundifolia, F. v. M. ; Cryptandra Water- 

 housei, F. v. M. ; C. scabrida, Tate ; Lhotzkya glaberrima, 

 F. V. M. ; L. Smeatoniana, F. v. 31. : Melaleuca cylindrica, 

 a .Brotvn ; Pulten?ea viscidula, Tate ; Hydrocotyle crassiuscula, 

 Tate ; H. comocarpa, F. v. M. ; Petrophila multisecta, F. v. M. ; 



*See post. 



