b ACACIA 



1-lK lines wide, quadrangular-linear, 1-nerved: fl. hds. 

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

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



Var. cuspidita, Benth. {A. cuspid&ta, Cunn.). Phyll. 

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

 thick. 



2. juncifblia, Benth. (4. fiimYdZia, 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. F.v.M.Ioon. 2: 8. 



3. calami£61ia, Sweet. Beoom Wattle. Tall shrub 6-10 

 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 racemed in 

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

 lobed. Feb. B.E. 839. 



4. ezt^nsa, Lindl. {A. penfcedra, Kegel). Shrub: 

 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. 



CO. Phyll. vertically flattened. 



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



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



V. Length of pjiyll. 1 in. or less. 



«. Stipules persistent as slender spines. 



5. arm&ta, R. Br. {A. undulAta, Willd. A. paradixa, 

 DC. Mimosa paraddxa, Poir.). Kaugaroo Thoen. 

 Fig. 7. Spreading shrub, 6-10 ft. high: branches pubes- 

 cent: phyll. 1 in. long, semi-ovate, undulate, obtuse, or 

 with a short, oblique point: heads solitary: 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. 

 %-%ui. 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. acin&cea, Lindl. {A . Latrbbei, 

 Meissn.). Shrub: branches gla- 

 brous, angular: phyll. J^-54in. 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. obllqua, Cunn. (A. rotundi- 

 fdlia. Hook.). Shrub : branches 

 glabrescent : phyll. M to nearly 

 J^in. long, obliquely obovate or or- 

 bicular ; mid-nerve terminating in 

 aminute, recurved point: peduncles 

 very slender, mostly exceeding the 

 phyll. Mar. B.M. 4041. 



9. Meissneri, Lehm. Tall shrub : 

 young branches glabrous, acutely 

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

 lines broad, obovate-oblong or ob- 



7 Acacia armata li<l"«ly cuneate, obtuse, or with a 

 ,^ VI small, hooked point : peduncles 



(ATaJ. shorter than the phyll. : fls. yellow. 



May. 



IT. Ziength of phyll. 1%-i 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 Jiin. long. Mar. 



ACACIA 



BE. Fl, heads in axillary racemes (rarely reduced to 

 a solitary head). 



F. Phyll. S in. or less long, hroad. 

 G. Racemes much exceeding the phyll. 



11. lunata,Sieb.(4.o?«<E»iia,Cunn.). 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.E. 1352. 

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

 Unifolia y&t. prominens. 



12. oultriS6rmis, Cunn. (4. cwZirdia, Ait.). Tall shrub, 

 glaucous with wax when young : phyll. %-5<in. long, 

 falcate-ovate or almost triangular, mucronulate, 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. 1896, 

 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. Bacemes not, or only slightly, exceeding the phyll. 



14. Ilmfdlia, Willd. Tall shrub: phyll. 1-l^in. 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. pr6minens,'Moore [A. prdminens, 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-lKln., 

 rarely, in luxuriant specimens, 2 in. long, obliquely obo- 

 vate or oblong, firm, rather broad, obtuse or mucronu- 

 late: fl. heads few, in short, axillary racemes, about 

 equaling the phyll., or rarely reduced to 1 head: fls, 20- 

 50 in a head: pods flat, linear to narrow-elliptical. 



Var. argyrophyUa, Benth. (A. argyroph^lla. Hook.). 

 Silvery-silky, turning sometimes golden yellow: phyll. 

 mostly 5i-lJ^in. long: fl. heads often solitary. B.M. 4384. 



Var. glaucoph^lla, Benth. Glaucous and more or less 

 pubescent: phyll. mostly }^-?<iin. long: fl. heads mostly 

 2-5, shortly racemose. 



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

 narrow: fl. heads small. 



16. myrtiWlia, Willd. Shrub, rarely tall: phyll. 1-2 in. 

 long, very variable, firm, usually acute or mucronate 

 and narrowed at base, with thickened, nerve-like mar- 

 gins, and a marginal gland below the middle: fl. heada 

 several, in short, axillary racemes about equaling the 

 phyll.: fls. 2-4 in a head, rather large: pods linear, 

 thick, curved, with very thick margins, 2-3 lines broad. 

 B.M. 302, as Mimosa myrtifolia. 



Var. celastrUdlia, Benth. (A. celastrifblia, Benth.). 

 Phyll. mostly lK-2 in. long and often 1 in. broad. B.M. 

 4306. 



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

 about yibx. broad. 



TF. Phyll. S~S~1S in. long {sometimes only 1% in. in 

 A. obtusata). 



Var. angustifdlia, Benth. Phyll. mostly 2-4 in. long, 

 2-4 lines broad. 



G. The phyll. distinctly penniveined. 



17. falc&ta, Willd. Tall shrub or small tree ; glabrous : 

 branches angular: phyll. 3 to above 6 in. 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 : pods broad ; 

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



