t 



Acacia.] XL. leguminos^. 303 



Div. I. FHYLLODLYU^K—Leaiyes mostly phyllodineous without leaflets. 



Series I. AlAtda.—P^t/lhdia hifarionshj decurrent, forming 2 opposite wings to the 

 itm, the free part short, broad, and acute, or rigid and pungent -pointed. Flowers in glo^ 

 Mar heads, on axillary simple peduncles, rarely appearing racemose bu the reduction of 

 ifie flowering branches. 



^\ings broad, continuous with the next below, removing the axillary 



bud to a distance from the stem . h A . bossiaoides. 



>>ings interrupted at each node, the axillary bud sessile on the stem. 

 \\ lugs broad, free part of the phyllodia usually short m\d broad, 

 with an ahiiost central nerve, 

 Phyllodia without glands. Flowers numerous in a small com. 



pact head^ . , ■ 2. A. glaucoptera. 



Phyllodia with a glandular angle on the upper edge. Heads 



6 to 12.flowered S.A.alata. 



Winp narrow, free part narrower with the nerve almost marginal 

 Piiyllodia erect, incurved. Flowers numerous in the head, 



5-merous. Petals smooth 4. A. diptera. 



Phyllodia rigid, recurved. Flowers few in the head, 4..merous. 



Petals strongly striate ._.,•,... 5. ^. sienopL 



era. 



F 



ERIES 11. Continuae. — Phyllodia narrow^ rigid, tapering into a pungent point, con- 

 Unuons With the stem and shortly and tnfarious'ly or irregularly decurrent. Flowers in 

 Mds or spikes on axillary simple peduncles. 



Rowers in globular heads. 

 Phyllodia linear or lioear-lanceolate, flattened, 1-nerved. 



lleads nearly sessile, with 4 to 8 flowers 6. A. incurva. 



Heads pedunculate, compact, with above 40 flowers . . . 7- ^. irigonophyUa. 

 ^iivllodia terete, very shortly decurrent. 

 Uwer phyllodia 1 to 2 in. long, upper ones short and distant. 



Pk 1) ^"^*^'^*^ ^^ twisted, about 2 lines broad 8. ^. continua, 



f hyllodia crowded on the branchlets, slender and rigid, 2 to 



4iu.lonjr. Pod nearly 1^ in. broad 9, A Feuce. 



iowers m cylmdrical spikes. Phyllodia lanceolate, thick, several- 

 p'«* ./.... 10. ^. tn-ptera. 



and ff' i' ^w^-?/?^, has some of the phyllodia only half articulate on the angles of the stem, 

 J;.f^ . , '^•^^^^^^^j tas the branches often narrowly winged, with phyllodia scarcely to be 

 (distinguished from them.) Jo. i J 



lodl^^^^r^^^' I*^ngentes. — Rigid shrubs, branches in some species spinescent, FhyU 



teol't '^^^^ ^^ ^^^^ '^^^'"' ^'^^'^^ ^'W^'^^^9 ^^^^^ P'-'^g^^^ poiiits, subulate, linear or tan- 

 ^e, or rarely none. Flowers in heads or spikes, on axillary simple peduncles. 



riidf^^^V*^^ ^*^^^*^^^''"g species, a few of the short-leaved Calamifomes and of the amall 

 od-leaved Flurinervesm\g\ii almost be classed among the Pungentes) 



ai^h f^^^^' — ^^^y^iodia none. Branches spinescent. Heads 



lobular, sessile .,..-.;.... II. J. spi^iescens. 



ihh F^^^^^^^^^'— 'Phyllodia 2- or more nerved, or terete and nerveless. Eead^ 



Pfajllocfia falcate, not exceeding \ in. (See Series YIL Plurinerves.) 



.vUodia linear- lanceolate, 3- or more nerved. Petals smooth or 

 g With prominent midribs, 

 t^^pals distinct, narrow, spathulate (Western species except 1. 



Pjiyllodia attached hy abroad base, very rigid and pungent . 12. A. latipes. 



P^l r ^^'^'^*^'^^^'*^^^^*^^ at the base, very rigid and pungent 13. J. cochleans. 

 ^h>lIodia hncar-lanceolate, with 3 prominent nerves, scarcely 



P^rigent. Petals without prominent midribs .... 177. A. heierochta. 



