FLORA OF BATHURST. 467 
Arthropodium strictum, A. minus, A. paniculata, Bartlingia 
sessiliflora, Xerotes effusa, X. micrantha, X. leucocephala, X. 
Thunbergi Typha augustifolia, Lemna trisulea, L. minor, Triglo- 
chin centrocarpa, PT. mucronata, T. procera, Potomogeton natans, 
Juncus planifolius J. bufonius, J. communis, J. pallidus, Centro- 
lepis polygyna, C. glabra, C. aristata C. strigosa, Cyperus vaginatus, 
Scirpus fluitans, S. cartilagineus, S. lacustris, Schanus apogon, 
Lepidosperma laterale, L. carpoides, Cladium junceum, Anthis- 
tiria ciliata, Ehrharta stipoides, Stipa semibarbata, S. crinita, 
Pappophorum commune, Poa cespitosa, P. fluitans, Distichlis 
maritima, Eragrostis Brownti, Azolla filiculoides, Marsillea quadri- 
folia, Ophioglossum vulgatum, Cheilanthes tenuifolia, and Pteris 
aquilina. 
There are still about 320 species of plants, found only in the 
north-west portion of the colony, which hitherto have not been 
noticed by the writer, bes which probably oceur in parts not yet 
visited by him. 
The number of species collected altogether from the district 
by the writer was 523, which were named and classified from 
time to time by the late Baron von Mueller, and to whose un- 
selfish aid, and untiring energy, the author owes what knowledge 
he has acquired of the potany ‘of Victoria. 
No. 4.-NOTES ON THE FLORA OF BATHURST AND 
ITS CONNECTION WITH THE GEOLOGY OF THE 
DISTRICT. 
By W. J. Ciuntes Ross, B.Sc., Lond., F.G.S. 
(Read Monday, Janwary 10, 1898.) 
TuHeE subject of local floras is of considerable interest to the botanist, 
especially if, in addition to merely enumerating the plants found 
in a district, a study is made of the causes which produce the 
variation from the floras of other centres, and if observations are 
made of the variations within the district itself. 
There can be little doubt that climate has a predominant in- 
fluence on the flora of a district ; including under the term climate 
the results due to elevation, average temperature and rainfall, 
prevailing winds, &e. 
There are other agencies, however, which help to influence the 
flora, and among these the soil and drainage of the country are 
specially notable. But the soil i is closely related to the geology of 
