44 LXXXIX. BORAGINEE (BAKER AND wRIGHT). [ Heliotropium. 
Leaves oblong, acute, 3-7 lin. long, 14-4 lin. wide, tapering towards 
the base, entire, hoary on both surfaces and furnished with adpressed 
bristles. Flowers often solitary; pedicels about 1 lin. long. Calyx 
funnel-shaped, divided nearly to the base; lobes 5, lanceolate, acute, 
the anterior 2 lin. long, the rest slightly shorter. Corolla-tube 1 lin. 
long; limb funnel-shaped about 2 lin. long; teeth 5, triangular, obtuse, 
$—$ lin. long, also 5 accessory alternating with the others. Anthers 4, 
sessile, 4 lin. long, shortly apiculate, puberulous. Stigma } lin. long. 
Nutlets 2 lin. long. 
South Central. Congo Free State: Katanga; Lukafu, Verdick, 141, 182. 
8. TRICHODESMA, R. Br.; Benth. et Hook. f. Gen. PI. ii. 849. 
Calyx deeply 5-lobed, accrescent ; lobes finally rounded or cordate 
at the base. Corolla-tube short; throat naked; lobes 5, broad or 
narrow ; sinuses often incurved. Stamens 5, inserted at the throat of 
the corolla-tube ; filaments very short, flattened ; anthers linear, con- 
nivent with the connective more or less produced above the cells and 
often spirally twisted. Ovary 4-lobed, ovoid; style long, subulate ; 
stigma small; ovules nearly horizontal. Nuts 4, ovoid, triquetrous on 
the inner face, by the lower part of which they are attached to the 
broad receptacle, often margined, smooth or tubercled on the bac’. 
Seeds subglobose or obovoid, horizontal or pendulous ; embryo straigh« 
or rather curved; cotyledons plano-convex; radicle short.—Erect 
herbs, often bristly and tubercled. Leaves alternate or subopposite. 
Flowers in terminal cymes, blue or white.—Pollichia, Medic. Bot. 
Beobacht. 247. 
Species about 15, also North African, Asiatic, and Australian. 
Awns of anthers straight. 
Connective glabrous at the back; corolla-lobes 
narrow. 
Leaves 13-3 in. long, green. 7 : : . 1. Z. Medusa, 
Leaves 3 in. long, silvery : : : . 2. TZ. heliocharis. 
Connective puberulous on the back; corolla-lobes 
broad. : : : : : io 
Awns of anthers contorted; connective pilose on tie 
back in the lower part. 
Calyx glabrous or slightly hairy : : : . 4. TL. physaloides. 
Calyx copiously hairy. 
*Stems woody. 
Branches glabrous : - : < = 5 
Branches hairy. 
Cymes many-flowered 6 
Cymes few-flowered. 
Leaves linear or linear-lanceolate . 7. T. lanceolatum. 
Leaves lanceolate . : ; : . 8. Z. oleefolium. 
9 
. T. hispidum. 
. T. droogmansianum. 
. T. Schimper, 
Leaves ovate or oblong. 
Corolla-lobes long cuspidate . 9. T. Hildebrandtii. 
Corolla-lobes minutely cuspidate - 10. TZ. pauciflorum. 
