i 





Acacia.] xl. legfminos^. • 319 



No spines. 

 Branches pubescent. Pinnae 2 or 3 pairs. Leaflets 3 to 6 



pairs, oblong, 1 to 2 lines long. Sepals free or nearly so . 283. A, MUchellL 

 Glabrous. Pimiaj 2 to 5 pairs. Leaflets 20 to 30 pairs, 

 with a broad obliq^ue base, 1 to 3 lines long. Calyx 



shonlj toothed 284. J. pentadenia. 



(xlabrous. Pinnae 1 pair. Leaflets 4 to 6 pairs, above 3 lines 

 ^ long. Flowers large, 4-inerons, 3 to 8 in the head . . . 285. J. GiI5ertL 

 i>eeds transverse. No spines. Flower-heads globular. Petals 

 usually striate. Pinna? usually 1 or 2 pairs. 

 Glabroas. Leaflets 5 to 10 pairs, 3 to 5 lines long. Flowers 



20 or more in the head 2SQ. A. nigricans. 



Branches pubescent or hirsute. FloAvcrs 12 to 15 in the head. 

 Leaflets 5 to 10 pairs, 2 to 3 or rarelv 4 lines long , , . 287. A. obscura. 



Leaflets 1 to 4 pairs, 1 to 2 lines lon^ 288. A, strigosa, 



SJeeds transverse. No spines. Flower-spikes' cylindrical or rarely 

 ovoid. Petals smooth. Pinnge 2 pairs. Leaflets 2 to 6 pairs . 289. A. Drummondil 



(Branches of 292, A. BidiiilU and of 203, A. pallida, are sometimes almost or quite 

 without stipular spines.) 



oERiEs XL Gummiferse. — Leaves hipinnate. Stipules of some or all ike leaves per- 

 Mtent and spinesceut. Flower-heads globular, on solitary or clustered simple peduncles, 

 tracts smdl, close under the flower-heads. 

 I'mns 4 to 6 pairs. Leaflets small, 10 to 20 pairs. Pod thick, 

 cyhndrical or spindle-shaped, indehiscent, pithy between the 

 seeds 200. AFarnesiana. 



mnse 1 or 2 pairs. Leaflets small, 8 to 12 pairs. Pod narrow- 

 hnear, 2-valved 



?facU forming a little 4-lobed ring 'round' the middle of tbe'pe' 

 duucle. 



Pinna; 15 to 25 pairs. Leaflets scai-cely 1 line long. Flowers 

 4-inerous. Pod coriaceous; valves slisrhtly convex, striate 

 lengthwise 292. A. Bidwilli, 



PuinaB 3 to 10 pairs. Leaflets 3 to 4 lines long. Flowers 5- 

 "^•^rous . , , . . , . 293. A, pallida, 



X\^^7^^^- ^^!'V'^> ^^^s- Syn. ii. 2G1, not of Weudl. nor of Lam., a phyllodineons Austra- 

 f Acacia, is insufliciently described to determine even to which series it belongs. 

 i..f ■ ^^^^^'^d^^. Colla, Ilort. Ripul. App, ii. 339, is described from a garden specimen ia 

 'eaf^only and is quite unrecogi.izible. 



^rous maDuscript names of A. Cunningham's, F. JFueller's, and others, uuaccoro- 



291. A, snlerosa. 



Nuin 



u ' I y descriptions, but qiioled iu G. Don's ' General System,' in iny own pa[)crs in 

 \2 ■ * ' ■^o"'^0'i Journal of Bot;»ny,' i. 31 8, and in the ' Linuffia,' ssvi. 603. in F. Mueller's 

 ein^f'k '^^ ' -^o""'"! of the Linncan Sociefv," iii. 114, in Seemanu's work, ' Die lu Europa 

 omfn J ° Aeacien,' 1852, in StcuJd's ' Nomeucklor/ or in garden catalogues, are here 



"P'tted as unpuhlished. 



LIOBINE^. 



jvivibiujN 1. j-jjj a>i>^>'^J^-i'J-'^^• 

 Leaves all (except on youtig seedlings and occasionally one or two on young 

 ranches) reduced to phyllodia, that is to the petiole either terete Qr angnlar 

 simT^^ or less vertically dilated so as to assume the appearance of a rigid 

 mple leaf, ;yith an upper and a lower edge or margin, and two lateral similar 

 ""aces, and either sessile or contracted at tlie base into a short petiole, the 

 PPer edge often bearing 1, 2, or rarelv 3 or more shield-shaped or tuber- 

 ''^l^r or depressed glands! 

 Seeies T, ALAT.i:.— Phyllodia bifavionsly decurrent, forming 2 opposite 



