72 XL. LEGUMixos^, [Buviesia. 



Leaves horizontally dilated or channelled on the npper edge, the 



dorsal midrib or wing decurrent . . 47. D. trigonophijUa. 



. Leaves resembling pinnate lobes of very glaucous tlat phvllodine- 



oiis hrarichlets. Inflorescence on the face of the brailchlets . 48. D. epii.hyUa. 



Seriks IX. Aphyllse.— Zratr* none {except sometimes in D. divaricata). Flowen 

 solitary cindered or rarely racemose. 



Branches terete. }5rncls very small. 



Erauchcs very thick, cylindrical and pithy 49. i). mpliorUoides. 



Branches rigid, but scarcely pnngent. Pedicels verv short . . 37. B. brevlfon-x, var. 



Li-iinches elongated, not pungent. Pedicels slender* short . . 52. B. apfiylla. 



Branch ets divaricate, pungent. Pedicels longer than the calyx 50. B. divaricata. 

 Branchlets divaricate, slender, 2-3-chotoiiious, tlie lower ones 



spinesccnt. riowers terminal ^\. B. paniculata. ' 



Blanches terete, elongated. Bracts imbricate, covering the rhachis 53. B.juneea. 

 Branches Hat. Calyx-teeth long, acute. 



Branches winged. Racemes short, dense, with ovale bracts . . 54. B. alata. 

 Branches flat, bnt not winged. Racemes loose, few-flowered 



Bracts minute or none 55. ^ ^„^,^j,_ 



Series I. Involuckat^.— Flowers umbellate at the ends of the pedun- 

 cles. Upper bracts orbicular, often small at the time of flowering, but niuch 



enlarged afterwards, and exceeding or enclosing the fruits. Leaves flat, hori- 

 zontal. 



f \ f^Q cordata, Bm. in Traus. Linn. Soc. ix. 259. A glabrous erect shrub, 

 ot ^ to 6 n., the brandies elongated, with 2 or 3 prominent angles. Leaves 

 ovate or ovate-lanceolate, acute, 3 to 4 in. long, deeply cordate and embracing 

 the stem by their hirge rounded auricles, rigidly coriaceous, strongly reticu- 

 ate on both sides. Peduncles from 1 to i or 5 in each axil, usuaflv shorter 

 than the leaves, bearing each an umbel of '8 to 12 flowers on short slender 

 per heels. Bracts under the umbel 2 to 4, orbicular, small when the flowers 

 hrst open, but soon enlarging, and when the fn.it is ripe, 1 to U in. dia- 

 meter, thin scarious and elegantly veined. Calyx about 2 lines long, the 2 

 upper teeth broad, truncate and connate. Standard yellow, abou? 4 lines 

 diameter; Jo'-ver petals shorter, falcate, purple. Pod above i in. long.-DC. 

 1 rod. n. 114 ; Bot. Reg. t. 1005 ; Meissn. in PI. Pieiss. i. 56. 



mW ■«'^?A*''''-Jf*V ^R " ^'^^'•gf 8 Sound, Menzies, A.Cunmnyham ; Swan River, Brum- 



^nd'l^*.T^*f' ^f n- \ ^^^^'on^ shrub, with the habit, angular stems, 

 ana Lu8e_ iiraets of D corduia. Leaves ovate or elliptiea , with a smaU 



ZZt n, t f^ r''!^"'' f "' ^- '"'-^"^''- Peduncles axillary, "but often 

 ir bv^2 or^ r ^^ i^-"TH'' ^'^^'^ " ^^'-'""^^^ «»^bel, surrounded when in 

 tl> i J. n 7 of' r" ''.''■'''*'' ''"^'"^^y ^^^'^^«"« ^"J ^'^S'-^"tlv veined as 

 ?lot^ tt s;;" '' ^'"^* '''' ''^' -- C«Vx and pod of i). cordaia. 



^V. Australia, Brummond^ n, 23, 



*h.\*°%*''*^°'^^*i^' .^"'"f • *■'* ^''^^- ^^"^- 1853, i. 265. A ri-id shrub, 

 the branches more slender than in the two preceding specie;, .-md u^'sually pu- 



