ACACIA 



igid, not pnuffenf-pointi'tt, 

 . long. 



36. longifdlia, Willd. Sydney Golden Wattle. Fig. 

 9. Tall, handsome shrub: phyll. 4-6 in. long, oblong- 

 lanceolate, acuminate; longitudinal veins several, promi- 

 nent: spikes 1 in. long, loo.se, axillary, mostly in diver- 

 gent pairs; fls. golden yellow. Mar. B.R. 362. B.M. 

 2166. B.H. 1896, p. 504. -Useful as a street tree in Calif. 



Var. SophdrsB, F. v. M. {A. Snphdra-, R. Br.). Phyll. 

 2-3 in. long, 5-8 lines wide, broadly oblong, obtuse. 



37. linearis, Sims. {A. !ovgUsima,WKndh). Shrub: 

 phyll. 4-6 in. long, linear, with 1 prominent longitudinal 

 nerve : spikes 1-2 in. long, loose and interrupted, slender: 

 fls. pale yellow or dirty white. B.M. 2156. B.R. 680.— 

 Valued as a street tree in Calif. 



38. aneftra, P. V. M. Mulga. Shrubby; often hoarj-, 

 with minute pu1)escence : phyll. lK-3" in. long, 1-1^ 

 lines wide, narrowly linear, without prominent nerves but 

 minutely striate, rigid: spikes short and dense on short 

 peduncles: pods broad, flat, short. P. v. M. Icon. 10: 8. 



39. glaucSsoens, Willd. ( .1 . c/h, rascens, Sieb.). Glau- 

 cous tree 50 ft. or uwrr lii^li: i.liyll. 4-6 in. long. ,5-12 

 lines broad at the iiiiilillc. lim ;ti- hmceolate, narrowed at 

 both ends, falcate, slii:ilc, ami with 3-5 more prominent 

 nerves, all free from the lowi-r margin: spikes in pairs, 

 1-2 in. long : pods narrow-linear, biconvex, irregularly 

 twisted. Mar. B.M. 3174. 



40. holoserlcea, Cunn. (A. UucophijUa, Lindl. ) . Shrub 

 or small tree 10-20 ft., white, silky : phyll. 4-6 in. long, 

 1-3 in. broad, oblong-lanceolate, with 3 'or 4 prominent 

 nerves confluent with the lower margin at the base: 

 spikes mostly in pairs, sessile, about 2 in. long. Mar. 



AA. hvK. nU hiplnnate. 



B. Fls. in g!olnihir heads. 



c. Head.** in terminal-axiUnrt/ panicles or racemes: 



stipules small or 0. 

 D. Trees: pinncE in 8-25 pairs, Jl. -heads pan icled. 



41. decurrens, Willd. Green Wattle. Branchlets with 

 very prominent angles decurrent from the petioles ; 



ACACIA 



glabrous, or the young shoots slightly tomentose-pubes- 

 ceut : leaflets 1-2 lines long, narrow, rather distant : 

 fls. whitish yellow: pods mostly less than 4 lines wide, 

 flat, more or less contracted between the seeds. Mar.- 



Var. normilis, Benth. Leaflets 3-4 lines long. 



4-_'. moUissima, Willd. {A. decurrens var. millia, 

 Linill.). Hla.k Wattle. Branchlets with decurrent an- 

 glis only sliglitly prominent: foliase and branchlets pu- 



leaflets 2-3 lines hui-. iini. ,, n , ,i,,: u. fragrant: 

 pods mostly less than ; .r less con- 



tracted between the- -. ii M i i;. :i71.— The 



names of this and of ili. im ,t .|,, , i, , ,ii^ .iftcn inter- 

 changed in gardens and even in heilj:iri:\. 



43. dealbita, Link. Silver Wattle. Branchlets with 

 decurrent "angles only slightly prominent : foliage and 

 branchlets very glaucous or hoary, with a flne pubes- 

 cence, the young shoots whitish; leaflets 2-3 lines long, 

 narrow, crowded : pods mostly more than 4 lines wide, 

 flat, hardly constricted between the seeds. Mar. A.F. 

 13:880. R.H. 1890, p. 502. 



DD. Shrubs or small trees: pinnce mostli/ in SS pairs: 

 fl. heads racemed. 



44. pubfiscens, R. Br. Hairy Wattle. Shrub 6-10 ft. : 

 tiranches and petioles hirsute: pinntp mostly 3-8 pairs; 

 leaflets 0-20 pairs, 1-2 lines long, crowded, linear, gla- 

 brous: racemes slender, longer than the Ivs. Mar. B.M. 

 1263. F.R. 1:733. 



45. Balley4na, F.v.M. Small,handsome tree: branches 

 and foliage glabrous and glaucous: pinnte 2-3 pairs; 

 leaflets about 13 pairs, l%-2ii lines long, crowded, 

 linear: racemes 3-4 in. long. Jan. F. v. M. Icon. 12: 5. 

 O.C. III. 15:37. 



I'C. Reads "n f'l '■. 'I'lrji, or clustered peduncles: 



46. pulchc'llii, ), 1 I ; ::iut shrub: branches slender, 

 glabrous or Im nii , n~ niiij, armed with subulate axillary 

 spines : pinimi 1 pair ; leaflets 4-7 pairs, 1-2 lines long, 

 obtuse: fl. heads solitary; fls. yellow. Apr. 



Var. grdndis, Hort. {A.grdndis,Bentr.). Shrub 6ft., 

 Khil)rous: leaflets 8-10 pairs, longer: fls. yellow. Feb.- 

 May. .1.11. 111. :!.■>: 369 (1897). 



\ar. hispidissima, Hort. {A. hispidissima, DC). 

 Braiirhes vrrv liirsute, with long, spreading hairs: 

 leaflets iiarrew: lis. white. B.M. 4588. 



47. 'Fa.raesii.na^yUld.{A.leptophijUa,DC.). Popinao. 

 Opuiaxax. (assik. Huisache. Much branching shrub, 

 6-111 ft.: stijiules straight, slender, sometimes minute 

 spiiiis; iiiiiiia- :>-s pairs; leaflets mostly 10-25 pairs, 1-2 

 lines Iutil;. narrow, linear, glabrous: peduncles 2 or 3 in 

 the <.l.lrr a\iN: il. heads large, globular, deep yellow, 

 verv frarraiii : |"..ls almost terete, indehiscent, at length 

 turiri.l :ni.l pulpy. Feb.-Mar. Tex., Mex., Asia, Afr. 

 and Austral. Grown in S. Prance for perfumery. 



48. Cavinia, Bertero. Espino. Cavan. Height 20 ft.: 

 spines .stout : leaflets scabrous, scabious-pubescent. Oth- 

 erwise near to ^1. Farnesiana, of which it is sometimes 

 considered a mere variety. Chile. — A good hedge plant. 



40. Ar4bica, Willd. Gl-m Arabic Tree. Fig. 10. Small 

 tree, with spiny stipules: pinnae 3-6 pairs, each with 40 

 or less very narrow leaflets : fls. white, in globular, pe- 

 duuculatu lieads, which are usually in 3's. Arab, and Ku. 



50. filiolna, Willd. Unarmed shrub : pinnie 2-15 pairs; 

 leaflets 20-50 or more pairs (rarely 10-15), very small: 

 fl. heads globular: pods linear, straight, flat, not pulpy. 

 Tex. and Mex. 



BB. Fls. in cylindrh ,n yji-I,-, x. 



51. Grfiggii, Gray. Small In e lo-jn it,, ,„il„.s,.,.nt, 



often with scattered, short. stcMit. 1 ke.l prickles : 



pinnsB 2-4 pairs, %-! in. long ; leaflets :i-;5 i)airs. 2 or 3 

 lines long, oblong or oblong-obovate, thick, and with 2 or 

 3 straight nerves : peduncles K-1 in. long. Apr. 

 Tex., S. Calif, and Mex. 



52. CAtechn, Willd. Tree: pinn.T 8-inpairs. each bear- 

 ing 100 or less linear, pubescent leallets : Us. yellow; 

 spikes solitary or in 2'sor 3's. E. lii.l. -Yields Catechu, 

 a valuable tannin, 



