IN a collection of plant fossils from Upper Bowen sediments in the Mount Coolon area of Queensland by a field party of the Bureau of Mineral Resources, fertile material of Glossopteris

angustifolia Bgt. has been identified. It is of extraordinary botanical interest as it consists of foliage leaves progressively modified to form male and female ‘scale fronds’ and thus

represents a stage in the evolution of an angiosperm flower.

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