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.* 4 
Acacia pirrusaA. AWL-LEAVED ACACIA. 
Jdeeieibichinbikikishk 
Class and Order. 
Poryeamsa Monarcra. 
Generic Character. 
Hermarurop. Cal. 5-dentatus. Cor. 5-fida vel 5-pe- 
tala. Stam.4—100. Pist.1. Legum. bivalve. 
: ae Cal. 5-dentatus. Cor. 5-fida. s. 5-petala, Stam. 
Specific Character and Synonym. 
Sect.1. Foliis simplicibus. 
Acacia diffusa; foliis linearibus uninerviis curvatis pun- 
 genti-mucronatis, pedunculis axillaribus geminis folio 
brevioribus, capitulis globosis. 
Acacia diffusa ; ramis procumbenti-diffusis glabris, foliis 
linearibus uninerviis acumine obliquo, spinula margi- | 
nis inferioris continua preefixis; stipulis minimis cadu- 
cis; capitulis subgeminis globosis. Bot. Reg. 634. 
a 
The genus Acacia is referred by Jussieu to his natural 
order of Lecuminosa; but Brown, in Flinder’s Voyage, 
Bol. 2. p. 551, has established a family of Mimosee, con- 
Sistine of Linnaus’s Mimosa, divided by Witpenow into 
five genera, together with ApEnANTHERA and Prosopis. 
_, Mr. Brown observes, that * nearly the whole of the 
Australasian species belong to Acacia of WILLDENow, as at 
7 ae constituted, and that nine-tenths of them belong to 
_ Als first division, having what he calls simple leaves, but 
- Which are in reality aphyllous, the dilated foliaceous foot- 
Stalk performing the functions of the true compound leaf, 
Which is produced only in the seedling plant, or occasion- 
allyin the more advanced state, in particular circumstances, 
where plants have been injured. The great number of 
species 
