NOTES ON ACACIA. 123 



Acacia Hemsleyi Maiden, n. sp. 

 Plate II. 



1. Flowering twig from Fitzroy River, 8 miles above Hann River 



Junction, West Kimberley, Nor- West. (W. V. Fitzgerald, 

 No 1177, June, 1905). 



2. Flower. 



3. Pistil. 



4. Floral bract. 



5. Pods. 



6. Seed, in situ. 



Nos. 2-6 from a scrub on the Gregory River, Gregory Downs 

 near Burketown, North Queensland (Dr. T. L. Bancroft). Note 

 the thickened margins of the valves. 



Acacia plectocarpa A. Cunn. 

 Plate III. 



1. Phyllode (with three main nerves) from type, Cambridge Gulf, 



North West Australia. Allan Cunningham, No. 482, Sep- 

 tember 1819. 



2. Phyllode, with three main nerves. 



3. Valve of pod. 



4. Seed, with arillus, natural size. 



5. Seed with arillus, enlarged. 2 to 5 from co-type, Sims' island, 



Northern Territory, Allan Cunningham, No. 122, 1820. 

 Presented by Kew. 



6. An exceptionally long and rather narrow phyllode. Denham 



River, East Kimberley, North West Australia (W. V. Fitz- 

 gerald). 



7. Three spikes of flowers. 



8. Single flower, showing calyx and petals. 



9. Single flower, showing petals and pistil. 



