Coldenia. | LXXXIX. BORAGINEE (BAKER AND WRIGHT). 29 
Welw. i. 717; C. angolensis, \Welw. Apont. Phyto-Geogr. 591. Lobo- 
phyllum tetrandrum, F. Muell. in Hook. Kew Journ, ix. 21. 
Upper Guinea. Northern Nigeria: at the confluence of the Rivers Niger and 
Benue, Barter, 1672! 
Nile Land. Sennar, Kotschy, 385! 471: “ Ethiopia,” Kotschy, 265! 383 ! 
Cordofan, Pfund, 415! Jur: Jur Ghattas, Schweinfurth, 2039! British East Africa: 
Madi, Speke & Grant! 
Lower Guinea. Angola: Loanda district; by pools, Welwitsch, 5486! 5437 t 
banks of the River Dande, near Bumbo, Welwitsch, 5445! by pools near Cacuaco in 
Barra do Bengo, Welwitsch, 5438! 
Widely distributed in the tropics, 
5. POSKEA, Vatke in Linnea, xliii. 321. 
Calyx-tube campanulate; lobes 5, erect, linear. Corolla-tube 
funnel-shaped ; throat naked inside; lobes 5, small, oblong, imbricate. 
Stamens 5, or by abortion fewer; inserted high up in the corolla-tube, 
slightly exserted, filaments short, filiform ; anthers small, subglobose, 
obtuse. Ovary globose, entire, imperfectly 4-celled; style long, simple, 
subulate, terminal ; stigma small, capitate. Fruit and seeds not known. 
A single endemic species, 
1. P. africana, Vatke, l.c. A much-branched, erect shrub, with long 
slender hoary terete branchlets. Leaves alternate, suborbicular, entire, 
rigidly coriaceous, the lower only 3-6 lin. long; petiole very short. 
Flowers in dense terminal spikes 1-1} in. long. Calyx hirsute at the 
base, pubescent above, 1 lin. long; lobes erect, connivent, as long as the 
tube, acute, 3-nerved. Corolla twice as long as the calyx, pubescent. 
outside; lobes very small, Style as long as the corolla. 
Nile Land. British Somaliland: Ahl Mountains, at Damalle, 3200 ft., Hilde- 
brandt, 848 ! 
6. TOURNEFORTIA, Linn. ; Benth. et Hook. f. Gen. P!. ii. 843. 
Calyx deeply 5-lobed. Corolla-tube cylindrical; lobes 5, oblong,. 
patent. Stamens 5, included in the corolla-tube ; filaments very short ; 
anthers ovate-oblong. Disk cupular or inconspicuous. Ovary globose, 
4-celled ; style subulate, with a stigmatose ring below the 2-lobed tips ;. 
ovules solitary, pendulous. Drupe small, globose, not fleshy in the only 
Tropical African species, with 4 one-seeded pyrenes which cohere in 
pairs, Seed straight or more or less curved, usually albuminous.— 
Trees or shrubs, erect or scandent. Leaves alternate, entire. Inflo- 
rescence a very compound cyme, with scorpioid branches. Flowers small. 
Species about 100, spread through the warmer regions of both hemispheres, con- 
centrated in Tropical America. 
1. T. argentea, Linn. f. Suppl.133. An erect shrub; branchlets 
short, clothed like the leaves and calyx with pale brown velvety 
