Borbonia. } LEGUMINOS (Harv.) 27 
IX. BORBONIA, Linn. 
Calyx acute at base, equally 5-cleft, the segments pungent. Vexillwm 
hairy, emarginate, carina obtuse. Stamens to, monadelphous, with a 
split tube. Ovary 2 or several ovuled ; style filiform ; stigma capitate. 
Legume linear, compressed, longer than the calyx, several seeded, (rarely 
1-2 seeded. Hndl. Gen. 6461. DC. Prod. 2. p. 120. 
Shrubs or suffrutices, with alternate, simple, very rigid, many-nerved sessile or 
amplexicaul, exstipulate leaves ; flowers yellow, axillary, or ending the branches, 
scattered or shortly racemose. Name in memory of Gastén de Bourbon, Duke of 
Orleans, son of Henry IV. of France, a great patron of botany. Some authors say 
it means ‘‘ Farmers’ ( Boers’) beans.” ; 
ANALYSIS OF THE SPECIES. 
* All the petals hairy: 
Robust, densely branched, with densely imbricate leaves : 
Leaves cordate-ovate ; calyx-lobes glabrous... .. (1) cordata. 
Leaves broadly subulate; cal.-lobes villous ... ... (2) barbata, 
Slender, virgate, with scattered, linear-lanceolate leaves (3) lanceolata. 
** The ale and carina glabrous: 
Leaves lanceolate, 3-5 nerv 
Lys. villous, 4-uncial ; 
Lys. glabrous, 14-uncial ; — 
f Fog, 
the leaf ; legume 1-seeded™. ... ... ... .. . (4) Monosperma. | 
Lvs. glabrous uncial; pedicels equalling the leaf; 
legume many-seeded ... ... «1.0 ... 0. s+ (6) ‘trinervia, 
Leaves ovato-cordate, cordate-amplexicaul, or perfoliate : 
Branches sharply angular : 
Leaves cordate-ovate, 7-11 nerved, ciliato-papillate (8) parviflora. ¥ 
Leaves orbicular, 11-15 nerved, entire or rough oes 
(9) latifolia. 
Branches roundish or scarcely angular, leaves very entire : : 
Lys. pungent-mucronate, peduncles 2-3 flowered (7) alpestris. 
Lys. taper-pointed, netted ; pedunc. many-flowered (10) 
Branches roundish ; leaves more or less calloso-ciliate : 
Robust, bushy; lvs. amplexicaul; calyx-teeth 
short sat Fea Re NE a OEE) a. 
Diffuse ; lvs. amplexicaul; calyx teeth subulate, 
BOSE. A Ce wes ous eee (12) undulata. 
Diffuse ; lvs. perfoliate; cal. teeth short... ... (13) perforata. 
* All the petals hairy. (Sp. 1-3-) 
1. B. cordata (Lin. Sp. p. 994); robust, densely much branched ; 
the branches very villous; leaves densely imbricated, cordato-ovate, 
acuminate and pungent, many-nerved, glabrous, with very entire rib- 
like margins; flowers sub-capitate; calyx-tube densely barhate, seg- : 
ments glabrous. DC. Prod. 2.p.120. Benth.1. c. p. 461. Jacg. Schoenb. ge 
t.218. E.&Z.! No. 1210. Ninn Constiut 
Has. Mountains round Capetown, common. (Herb. Thb., Bth., Hk., Sd., D. oel- [6s 
A robust shrub, 1-2 feet high, with very rigid and sharply pungent, vertootly ; 
smooth leaves; 3-1 inch long, } inch wide, spreading to all sides. The hairiness is 
confined to the branches and calyces. 
2. B. barbata (Lam. Dict. 2. p. 436. Ill t. 610. fi 2.); robust, with Ne Sh 
corymbose ever Gm leaves very densely imbricated, broadly subulate, ! Sars 
broader at base and ss Hearne ggg ee: © erved ; flowers =) 4 
sub-capitate, on very short pedicels; calyces densely villoso-barbate, 
DE. Prod, 2, p. 120, Benth, in Lond. Journ, 2. p. 460. E.§Z. 
