The South Australian Naturalist. 
51 
700. This is to be explained only in small part by the intensity of 
the quest. It hs chiefly due to the diversity of habit conditions 
to be found in the district. Grouping these Ave find the follow- 
k\ 
I Marine. — Sea-meadows comprising 4 or 5 species of vascular 
plants. 
II. Saltwater Estuaries, at the mouths of creeks and rivers such 
A as the Inman and Hindmarsh. In summer time, the exits 
are usually blocked by sand. The water varies from salt to 
brackish or nearly fresh after rains. Small salt-impregnated 
flats adjoin the banks. 
III. Littoral and Coastal Sandhills. The latter are usually low. 
i IT Cliffs overlooking the Sea. Westwards from the Bluff, 
' reaching towards Newland’s Head probably over 200 ft. high. 
V. The Granite P'ormation. At the Bluff (Rosetta Head), 
W’righffs, West and Granite Islands and Pt. Elliot. The 
plants so situated are all exposed to strong sea-breezes and 
mostly also to salt spray. 
\’L The Country Behind the Cliffs towards Waitpinga, rocky 
^ and gravelly with a sandy clay, the soil too thin and stony 
; to lead to clearing and replacement by grass and so still 
;• covered with wealth of Eucalypts of mallee formation, low 
^ shrubs, etc. 
\ II. The now Grassy Hill-slopes, passing into country with scat- 
{ tcred trees still remaining amongst the grass. 
VIII. Hill-slopes with Gravelly Sandy Loam and Clay Subsoil 
with widely dispersed Eucalyptus fasciculosa, etc. 
IX. Gravelly Hills with I ndershrubs especially low Casuarinas. 
X. Hills, usually High, and Sheltered Valleys of Better and 
Deeper Soil supporting forests of merchantable Eucalyptus 
ohliqua. 
XL Glacial Sands, varying from almost pure white sand to a 
sandy loam. 
XII. River Banks, passing into the vegetation lining creeks, 
often in rocky valleys and sometimes Vvith waterfalls. 
XIIL Small I'plancl Swamps in or near glacial sands with a 
flora resembling that of the Mt. Compass area. 
XIV. Lowland Swamps, often near the sea. 
