m 
The Queensland Naturalist May 1945 
Series 1. Pungentes. Phyllodes very narrow, 
not more than 1 mm. broad, angled or 
dagger-like commonly due to the pro- 
minent midrib and very narrow blade. 
Phyllodes dagger-shaped, 1 cm. long .... 1 . A. juniperina 
Phyllodes 3-5 cm. long 2. A. pugionrformis 
Series 2. Calamiformes. Phyllodes very 
narrow, terete (rounded) or scarcely flat- 
tended and linear, points innocuous. 
Phyllodes 10 cm. or more long (a few 
shorter ones commonly though not al- 
ways present) 3. A. juncifolia 
Series 3. Uninerves. Phyllodes vertically 
flattened, with one central or nearly cen- 
tral nerve. Flowers in globular heads. 
A. Brevifoliae. Phyllodes short, straight or 
falcate or with the lower margin straight, 
the upper curved (convex); peduncles 
1 -headed. 
Margin of the phyllode with glandular 
teeth 4. A. hispidula 
Margin of the phyllode smooth ...... 5. A. plagiophylla 
B. Racemosae. Phyllodes straight or fal- 
cate, flower-heads arranged in racemes. 
Phyllodes more or less distinctly pen- 
niveined. 
Sepals free, narrow, marginal gland 
of the phyllode at the base or 
none 6. A. faicata 
Sepals united, marginal gland of the 
phyllode above the base, usually 
with a secondary vein running to 
it 7. A. penninervis 
Phyllodes not penniveined. 
Shrub, branchlets strong, prominently 
3-angled, phyllodes thick, 6-15 
cm. iong, 0.5-1 cm. broad, flower- 
heads in the young stage enclosed 
in large prominent bracts 8 . A. suaveolens 
Trees, branchlets rounded or slightly 
angular in the young stages, 
phyllodes not very thick, 2.5-9 
cm. long, flower-heads in the 
young stage not enclosed in pro- 
minent bracts. 
Phyllodes green, narrow (not more 
than 4 cm. wide), sometimes the 
margin ciliolate but surface quite 
glabrous. 
Young branchlets pubescent; mar- 
gin of the phyllode cili6late at 
least in the young stage, phyl- 
