May 1945 The Queensland Naturalist 
113 
lodes 2.5-4 cr. long, more than 
2 mm. Broad . . . 
Young branchlets glabrous- mar- 
gin of the phyllode glabrous, 
phyllodes 4-9 cm. long, less 
than 2 mm. broad 
Phyllodes greyish or greyish green, 
3 cm. or more long, over 1 cm. 
broad, surface sprinkled with soft 
hairs 11 
Series 4. Plurinerves. Phyllodes vertically 
flattened, straight or falcate, with 2 or 
more longitudinal nerves; peduncles soli- 
tary or arranged in racemes. 
Tree; branchlets rounded or slightly angular, 
phyllodes usually more or less falcate .... 12. 
Shrub; branchlets flattened or winged, 
phyllodes straight 13. 
Series 5. Juliflcrae. Phyllodes vertically 
flattened, straight or falcate, flowers in 
spikes. 
Small decumbent shrub or undershrub, 
phyllodes under 1 cm. long, pungent- 
pointed, surface sprinkled with hairs, 
flowers in spikes sometimes shortly 
oblong or even reduced to heads .... 14. 
Trees, phyllodes glabrous, 8 cm. or more 
long, usually more or less falcate, 
spikes elongated. 
Phyllodes green, pod very narrow 
(about 5 mm. diameter), much 
twisted. 
Creekside tree, rachis of flower-spike 
densely pubescent 15. 
Tree of the mixed eucalyptus forest, 
rachis of flower-spike glabrous . . 16. 
Phyllodes greyish-green, pod 1.5-2 
cm. broad, prominently veined, 
much twisted and curled when ripe 17. 
DIVISION II. BJPINNATAE. Leaves all 
Series 6. Botryocephalae. Stipules small or 
none. Flower-heads globular, in racemes, 
the upper ones commonly forming a ter- 
minal panicle. 
Leaves composed of 3-4 pairs of pinnae, 
pinnae of 1.5-25 pairs of pinnules, 
more than 1 cm. long 18. 
Leaves composed of 7-10 pairs of pinnae; 
pinnae of 30 or more pairs of pinnules, 
pinnules less than 0.5 cm, long .... 19. 
Series 7. Gummiferae. Leaves bipinnate, 
stipules spinescent. 
Shrub armed with long stipular spines . . 20. 
. A. podalyriaefolia 
A. implexa 
A. complanata 
A. amblygona 
A. Maidenri 
A. Cunninghamii 
A. aulacocarpa 
bipinnate. 
A. glaucocarpa 
A. irrorata 
A. farnesiana 
