94 
The yueenslaud Naturalist. 
August, 1926 
THE EUCALYPTS OR GUM TREES OF THE 
BRISBANE DISTRICT. 
(By ('. T. White, Government Botanist.) 
VI. 
(Ccntinued from the “Queensland Naturalist,” Voi. 5, p. 53.) 
9. Eucalyptus Planchoniana (Planchon’s String-ybark.) 
Description. — A moderate to large sized '‘stringy- 
hark/’ but often dwarfed to a iiiallee-like shrub on very 
])oor soils, rarely forming a good bole, but branching 
from near the base. Young i>ranchlets angular, often 
markedly eomiu'essed-cjuadrangular. ('oppice (“sucker”) 
leaves not markedly tliffertmt from the adult, but mostly 
broader, not so markedly falcate and sometimes inclined 
to be ovatt', 'S to 6 inches long and up to 2 inches broad, 
ap(‘x mai'kedly aj)iculate, base oblique, tapering to a 
stalk of about half-an-incb, veins and veiiihds searcelv 
visible in the gretm leaves, but plainer in the dried, 
intramarginal vein, one line from the edge of the leaf, 
or oftgn much closer. Ordinary (secondary or adult) 
leaves coriaceous, lanceolate, usually somewhat falcate, 
often mark(‘dly so. the iitquu* ])art tapering to a long 
acute apex; i)etiolo (leaf stalk) prominently twisted, half 
to three-(iuarters of an inch long, blade averaging about 
6 inches long and 1 im*h wide, midrib distinct, lateral 
nerves obli<)ue distinct in the dried specimens, a very 
variable distance apart, averaging perhaps about a 
quarttu* of an inch; intramarginal vein usually distinct, 
i to 1 line distant from the margin. Flowers in simple 
axillary, 4 to 7 fiow(*red umbels; ])eduncle ^ to 1 inch 
long, much Haltered, up to ] inch broad toAvards the 
top: Calyx tube cylindrical, 8 to 9 lines long. 2 to 4 
lines broad at the toj) ; operculum conical about 4 lines 
high. Stamens very nnmerous, all fertile, about 5 lines 
long. Seed capsule large; irregidarly globose and vein- 
ed O'- ribbed, about v-incli in diametei*, 3 to 4 celled, rim 
sinootli, vertically descending 1 line or slightly more 
deep, valves not protruding. 
Distribution : South-Eastern Queensland ( Brisbane 
District) and New South Wales, as far south as Camden 
Haven. Tt is vmry abundant on poor sandstone country 
in the Eight-mile Plains area, near Brisbane, being 
• commonly associated with ^Eucalyptus Baileyana and 
