98 



J. H. MAIDEN. 



A ffinities. 

 1. With A. plectocarpa A. Oimn. The phyllodes of A. 

 Hammondi are much smaller, are usually two-nerved, while 

 those of A. plectocarpa are three or many nerved. The 

 flowers are different, those of A. plectocarpa having hairy, 

 linear sepals, while the calyx of A. Hammondi is broadish 

 and semi-truncate, with cilia. The fruits of A. plectocarpa 

 are coarser and more opaque, with the seeds more deeply 

 embossed and differently arranged in the pod. 



I know no close relations of A. Hammondi, but that is 

 perhaps because our tropical Acacias have been so imper- 

 fectly worked out. We have several Acacias with straight, 

 flattish, embossed pods, but none small and of a waxy lustre. 



21. A. TUMIDA F.V.M. 



Isle Lacrosse, N.W. Coast. A. Cunningham. 



"A tree to 30 feet; trunk to 10 feet; diam. 9 in.; bark 

 dark coloured, smooth; timber brownish, and rather hard; 

 phyllodia glaucous." (W. V. Fitzgerald, MSS.) 



22. A. retinervis Benth. 

 Cape Pond, N.W. Coast, A. Cunningham. 



23. A. holosericea A. Cunn. 

 Cambridge Gulf, N.W. Coast, A. Cunningham; Nickol 

 Bay, F. Gregory's Expedition. Cunningham (M.S. Journal 

 Vol. ii, p. 78) collected it at Cambridge Gulf, 22nd Sep- 

 tember, 1819. 



"Tall shrub to a tree of 30 feet; trunk to 8 feet; diam. 

 9 in.; bark dark coloured, smooth; timber brown and 

 moderately hard." (W. V. Fitzgerald, MSS.). 



24. A. dimidiata Benth. 

 "Various parts of the N. Coast, A. Cunningham." Most 

 of Cunningham's collecting in Northern Australia was done 

 in the Nor- West. I admit this from the Nor- West, though 

 with some doubt. 



