iiO 
The Queensland Naturalist May 1945 
2. Phyllodes narrow, terete (rounded), angied or dagger-like, 
scarcely flattened, not more than 1 mm. d'am 3 
Phyllodes definitely flattened, more than 1 mm. broad 
(sometimes several centimetres) 5 
3. Phyllodes much over 1 cm. long 4 
Phyllodes dagger-shaped, 1 cm. long .... A. juniperina 
4. Phyllodes 3-5 cm. long, pungent-pointed A. pugioniformis 
Phyllodes 10 cm. or more long (a few shorter ones 
commonly though not always present), scarcely 
pungent-pointed A. juncifolia 
5. Margin of the phyllodes smooth, in one species with soft 
short hairs (eyelashed) 6 
Margin of the phyllode thickened and with minute teeth 
or glands A. hispiduia 
6. Young branchlets densely clothed with soft hairs, 
phyllodes sprinkled on the margins and surface with 
scattered hairs 7 
Young branchlets glabrous or pubescent, margins of the 
phyllodes in one species (A. fimbriata) ciliolate with 
soft hairs but in all cases the surface quite smooth and 
free of hairs 8 
7. Small shrub, branches frequently decumbent, phyllodes 
pungent pointed, under 1 cm. long and about 2 mm. 
wide • . A. amblygona 
Small trees, phyllodes 3 cm. or more long and more than 
1 cm. broad A. podalyriaefolia 
8. Phyllodes with one prominent nerve down the centre or 
near the centre 9 
Phyllodes with 2 or more nerves running parallel along 
the phyllode 14 
9. Phyllodes more than 1 cm. long, straight or sickle-shaped, 
point not at all pungent 10 
Phyllodes under 1 cm. long, straight on the lower side, 
curved (convex) on the upper, ending in a fine rather 
pungent point A. plagiophylla 
10. Phyllodes not more than 1 cm. wide, midrib alone pro- 
minent, lateral nerves not visible 11 
Phyllodes mostly more than 1 cm. wide, penniveined 
(lateral nerves visible) 13 
I 1. Trees of the open forest, mainly along creek banks. Young 
branchlets slender, slightly angular, soon rounded; 
phyllodes 2.5-9 cm. long, 1.5-5 mm. broad, with a 
prominent gland on the margin in the lower half; 
flower-heads in the young stage not enclosed in large 
bracts; pods under 1 cm. broad 12 
Tall upright shrub, in sandy land often on edge of swamps, 
branchlets strong, very angular, phyllodes 6-15 cm. 
long, 0.5-1 cm. broad, without any gland on the 
margin; flower heads in the young stage enclosed in 
large prominent bracts; pods over 1 cm. broad 
A. suaveolens 
