Goldenia.] lxxxix. boragine^: (baker and wright). 2& 



Welw. i. 717; G. angolensis, iWelw. 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 I 

 Corclofan, Pfund, 415 ! Jur : Jur Ghattas, Schiveinfurth, 2039 ! British East Africa: 

 Madi, Speke Sf Grant ! 



Lower Guinea. Angola : Loanda district ; by pools, Welwitsch, 5436 ! 5437 ! 

 banks of the River Dande, near Bumbo, Wehvitsch, 5445 ! by pools near Cacuaco in 

 Barra do Bengo, Wehvitsch, 5438 ! 



Widely distributed in tlie tropics. 



5. POSKEA, Vatke in Linnsea, 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, Yatke, I.e. 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 J 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. PL 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. Sujjpl. 133. An erect shrub ; branchlets 

 short, clothed like the leaves and calyx with pale brown velvety 



