Acacia tetragonocarpa. 



Meissner in Lehmann's Plantae Preissianae i. 4 (1844). 



1, portion of a branchlet with young flowerheads. 



2, bracts. 



3, flower-bud. 



4, unexpanded flower. 



5, expanded flower. 



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



7, pollen-grains. 



8, pistil. 



9, 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. 



