1-1 K lines wide, quadrangular-linear, 1-nerved: fl. lids, 

 solitary, or 2 or 3 together; peduncles short; fls. yellow, 

 May. B.M.2417. B.R.634. 



Var. cuspidita, Benth. (A. cuspidita, Cunn.). Phyll. 

 % to rarely 2 in. long, slender, often not broader than 

 thick. 



2. juncifilia, Benth. (A. pinifilia, Benth.). Tall, gla- 

 brous shrub: branches slender, quite terete: phyll. 3-6 in. 

 long, often nearly tetragonous, linear-subulate, with a 

 scarcely prominent nerve on each side: fl. hds. solitary 

 or in pairs; peduncles short. P.v.M.Icon. 2:8. 



3. calamif61ia, Sweet. Broom Wattle. Tall shrub G-10 

 ft. : phyll. 3-4 in. long, linear-subulate, slightly flattened, 

 with 1 nerve prominent or indistinct; point fine, recurved 

 or simply oblique: fl. hds. 3 or 4, shortly racemcd in 

 the axils of the terminal phyll. ; calyx shortly toothed or 

 lobed. Feb. B.R. 839. 



4. extfinsa, Lindl. (A. penCadra, Kegel). Shnib : 

 branches angular or sometimes winged: phyll. 3-4 or 

 even 8 in. long, slender, linear-subulate, almost tetrago- 

 nous, with a prominent nerve on each side: peduncles 

 1-headed or rarely irregularly racemose in the axils of 

 the terminal phyll. : calyx triangular, truncate. Mar. 



cc. Phyll. vertically flattened. 



D. Veins of phyll. 1, or very rarely 2. 



E. Fl. heads solitary or in pairs or clusters. 



P. Length of phyll. 1 in. or less. 



a. Stipules persisliiif as sh'iitli i- spines. 



5. armita, R. Hr. : l. ,.,,.',/.,',,, \\ mm j. paradixa, 

 DC. Mimosa j/.i; , ; ; I , ,i:no Thokn. 

 Fig.7. SpreadiiiL' -,ii:i ^ ii' i .r.rlies pubes- 

 cent: phyll. 1 in. len-, -.mi . >. ih , uiMinhii.-. obtuse, or 

 with a short, obliquo point: hi-ails suhtary: peduncles 

 axillary, equaling the phyll., borne all along the branches: 



fls. fragrant. Feb. B.M. 1653. F.E. 

 9:401, 431.— Good hedge shrub. 

 Grown also for spring bloom. 



GG. Stipules small, deciduous, 

 orO. 



6. lineita, Cunn. Bushy shrub: 

 branches pubescent, terete: phyll. 

 K-%in. long, broadly linear; point 

 small, hooked : peduncle solitary, 

 axillary, very slender, equaling or 

 exceeding the phyll., glabrous: fls. 

 rich yellow. Mar. B.M. 3346. 



7. acinicea, Lindl. [A.Latrbbei, 

 Meissn.). Shrub: branches gla- 

 brous, angular: phyll. l4-%in. long, 

 about 3 lines wide, obliquely oblong 

 or somewhat falcate, obtuse, with a 

 small, recurved point : peduncles 

 slender, about equaling the phyll. 

 Mar. F.v.M. Icon. 4:7. 



8. obliqua, Cunn. {A. rotundi- 

 fitlia. Hook.). Shrub : branches 

 ylabrescent : phyll. ^ to nearly 

 Ijin. long, obliquely obovate or or- 

 i)icular ; raid-nerve terminating in 

 a niinute,recurved point: peduncles 

 very slender, mostly exceeding the 

 phyll. Mar. B.M. 4041. 



9. Melssneri, Lehm. Tall shrub: 

 young branches glabrous, acutely 

 angular : phyll. X-1 in. long, 2-4 

 lines broad, obovate-oblong or ob- 

 liquely cuneate, obtuse, or with a 

 small, hooked point : peduncles 



>.. ,../. shorter than the phyll. : fls. yellow. 



May. 

 PF. Length of phyll. 1%^ in. 

 10. dodonsBifdlia.Willd. Tall shrub, very resinous, shin- 

 ing : phyll. 2-4 lines wide, oblong-linear or lanceolate, 

 mostly obtuse, 1-nerved, lateral veins prominent and 

 anastomosing: stipules 0: peduncles solitary or in pairs, 

 about iiin. long. Mar, 



ely reduced • 



ACACI.V 



EE. Fl. heads in axillary racemes 



a solitary head). 



F. Phyll. 2 in. or less long, broad. 



G. Racemes much exceeding the phyll. 



11. \Mniita,,SiKh.{A.ole(Bf&lia,C\imi.). Glabrous shrub: 

 phyll. less than 1 in. long, obliquely-lanceolate or ellipti- 

 cal-cuneate, obtuse, or with a minute, oblique or recurved 

 point: fls. yellow: pods linear-elliptical, 3-4 lines broad; 

 seeds placed close to the upper suture. Apr. B.R. 1352. 

 —Without the fruit this may easily be mistaken for A. 

 linifolia var. prom inens. 



12. cultrif6rmis,Cimn. (4.(;H7/rd<a,Ait.). Tall shrub, 

 glaucous with wax when young : phyll. %-%m. long, 

 falcate-ovate or almost triangular, mucronulato, with 

 thickened margins and usually a marginal gland at the 

 angle on the convex side: fl. heads in axillary racemes 

 much exceeding the phyll. : pods flat, about 3 lines broad ; 

 seeds placed close to the upper suture. Mar. R.H. 1890, 

 p. 503. J.H. III. 34:131. 



13. pravissima, F.v.M. Tall shrub or small tree; gla- 

 brous: phyll. mostly 3-5 lines long, obliquely falcate- 

 obovate, or almost trapezoid, recurved, imperfectly 2- 

 veined; marginal gland much below the angle on the 

 convex side: fl. heads in handsome axillary racemes much 

 exceeding the phyll.: pods flat, about 3 lines broad ; 

 seeds placed along the center of the pod. 



GG. liacemes not, or only slighlly, exceeding the phyll. 



14. UniJdUa, Willd. Tall shrub: phyll. 1-lKin. long, 

 linear to linear -lanceolate, straight, rather thin ; marginal 

 gland small, near the base: fl. heads in slender, axil- 

 lary racemes about equaling the phyll.: pods linear, very 

 flat, 4-6 lines broad; seeds placed along the center. B.M. 

 2168. See No. 11. 



Var. pr6minen8,Moore (4. prdmiHcns, Cunn.). Phyll. 

 broader, linear-lanceolate to oblong-falcate; marginal 

 gland prominent, distant from the base. B.M. 3502. 



15. brachybdtrya, Benth. Tall shrub: phyll. K-lKin., 

 rarely, in luxuriant specimens, 2 in. Inntx. oblicpiely obo- 

 vate or oblong, firm, rather br... I, > '. u . ..y mucronu- 

 late: fl. heads few, in short, :• i • s, about 

 equaling the phyll., or rarely ir.; , ; , i ! ,,1: fls 20- 

 50 in a head: pods flat, linear i^ n in- . :i,i i iral. 



Var. argyrophylla, Benth. (.1. ..; m/. //, ;,/i'.;, Hook.). 

 Silvery-silkv, turning sometinir^ umM. n mII.hv: phyll. 

 mostly %-l Kin. long: fl. heads ..It. n -..litary. H.M.4384. 



Var. glaucophylla, Benth. (ilai ns ami mure or legs 



pubescent: phyll. mostly K-5iin. long: fl. heads mostly 

 2-5, shortly racemose. 



Var. glibra, Benth. Quite glabrous : phyll. small and 

 narrow: fl. heads small. 



16. myrtifdlia, Willd. Shrub, rarely tall: phyll. l-2in. 

 long, very vaiial.lc, lirni, usually acute or mucronate 

 and narrowed at l.a^r. with thickened, nerve-like mar- 

 gins, and a iiiar-inal 1,'laiiil below the middle: fl. heads 

 several, in sIimiI, axillary racemes about equaling the 

 phyll.: IN. J-t ill a head, rather large: pods linear, 

 thick, curv..!, with very thick margins, 2-3 lines broad. 

 B.M.::ii_', as Mimoxa myrtifolia. 



Var. celastriiolia, Benth. (.1. celastrifblia, Benth.). 

 Phyll. nicistlv []«-■! in. long and often 1 in. broad. B.M. 

 4306. 



Var. normilis, Benth. Phyll. mostly 1-2 in. long and 

 about Jain, broad. 



FF. Phyll. 2-G-12 in. long {sometimes only 1% in. in 

 A. obtusata). 



Var. angustildlia, Benth. I'hyll. mostly 2-4 in. long, 

 2-4 lines broad. 



G. Tlie phyll. distinctly pennivcined. 



17. falcita, Willd. Tall shrub or .small tree; glabrous: 

 branches angular: phyll. 3 to above 6in. long, lanceolate- 

 falcate, acuminate, much narrowed to the base; margi 

 nal gland close to the base or 0: sepals free, narrow: 

 pods rather narrow; funicle encircling the seed. 



18. penninfirvis, Sieb. Tree; glabrous: branches angu- 

 lar: phyll. 3 to above 6 in. long, oblong to lanceolate- 

 falcate, acuminate, much narrowed to the base; margins 

 nerve-like; gland distant from the base or 0: pods broad; 

 funicle encircling the seed. Mar, B,M. 2754. 



