NOTES ON ACACIA. 81 



somewhat obtuse at the apex, obliquely mucronate, immarginate, 

 finely striate, many nerved, spikes shortly pedunculate, pod linear, 

 smooth, coriaceous, glabrous, uniform within. Phyllodes 4-5 

 ins., almost like A. julifera but less pointed. Flowers not seen. 

 Pod 4 — 5 ins. long, almost 4 lines broad, margin thickened, slightly 

 contracted between the seeds. 1 



The type came from York Sound and Port Warrender 

 (North West Australia) Cunningham. The bark of the older 

 branches appears to peel off in small shreds, whence Cun- 

 ningham's name (delibratus, Latin, having the bark peeled 

 off). 



Then Mueller in Journ. Linn. Soc, in, 138, (1859) re- 

 described the species in terms that may be translated as 

 follows: — 



Arborescent, branchlets angular, glutinous, glabrous or velvet- 

 like, phyllodes somewhat sessile, linear-falcate or sword-shaped or 

 more rarely shortened, narrow-oblong, obliquely acuminate or 

 cuspidate-apiculate, prominently 1-3 nerved, glabrous or rarely 

 puberulous, densely parallel- veined, bearing a gland right at the 

 base, spikes short, solitary or two in the axils, dense, shortly 

 pedunculate, the corolla with five-divisions, being half as large 

 again as the dentate-ciliate calyx, 2 pod stipitate, papery, narrow, 

 oblong, compressed, marginate, pale yellow, with undulate margin, 

 seeds shining-black, compressed-ovate, three times as long as the 

 white cymbiform arillus, (strophiole), distinctly marked on both 

 sides. 



1 Bentham recognised that these specimens were not altogether satis- 

 factory, for in a note in Journ. Linn. Soc. in, 139, referring to A. delibrata, 

 he says "Cunningham's (specimens) are out of flower with a loose fruit ; 

 but, as far as these materials admit of identification,"... Fortunately the 

 phyllodes and pod are, with our later knowledge, quite sufficient to say 

 what the species is. 



In the fuller description by Bentham of A. delibrata in B. Fl, n, 405, he 

 supplements the original description as regards the tomentum, saying 

 "Branchlets... silky-pubescent when young. Phyllodia... sprinkled with 

 loose silky hairs." This hairiness is important. 



2 This does not agree with his figure of A. delibrata in " Iconography." 



F— June 6. 1917. 



