Acacia retivenea. 



F. V. M. fragmenta phytographiae Australiae iii. 128 (1863). 



1, head of unexpanded flowers. 



2, bracts. 



3 and 4, unexpanded flowers. 



5, expanded flower. 



6, front- and back-view of a stamen. 



7, pollen-grains. 



8, pistil. 



9, lower portion of a fruit-valve with seeds. 



10, a seed separated. 



1 1 , transverse section of a seed. 



12 and 13, longitudinal sections of seeds. 

 All enlarged, but to various extent. 



