Trichodesma.| LXXXIX. BORAGINEZ (BAKER AND WRIGHT). 45 
**Stems herbaceous, 
Calyx glabrous. : : : - 11. 7. glabrescens. 
Calyx-lobes with larger hairs on the midrib 
and margins : : . - 12. 7. africanum, 
Calyx equally hairy all over. 
Leaves ovate. 
Pedicels with adpressed hairs. 
Margin of nutlet smooth . 4 . 13. TZ. calathiforme. 
Margin of nutlet tuberculate .. . 14. 7. grandifolium. 
Pedicels with spreading hairs : - 15. T. Bentii. 
Leaves ovate-lanceolate  . : : . 16. 7. arenicola. 
Leaves lanceolate. 
Inflorescence an almost simple raceme . 17. JZ. dekindtianum. 
Inflorescence much-branched : . 18. 7. Baumii. 
Leaves oblong-lanceolate . : : - 19. 7. zeylanicum. 
1. T. Medusa, Baker in Kew Bulletin, 1894, 29. An undershrub, 
with hairy stems 3-6 feet long. Leaves subsessile, lanceolate, 14-3 in. 
long, acute, entire, rounded at the base, subcoriaceous, with scattered 
adpressed hairs on both surfaces. Flowers many; pedicels long; 
peduncle hairy. Calyx 2} lin. long; lobes narrowly triangular, acute, 
clothed with adpressed hairs. Corolla blue, 3—4 times the length of the 
calyx ; tube 2 lin. long; lobes linear-lanceolate, about 7 lin. long, hairy 
outside. Stamens as long as the corolla-lobes ; filaments 2 lin. long ; 
anthers about 7 lin. long, with a long straight glabrous or slightly 
pubescent point.—Giirke in Warb. Kunene-Samb. Exped. 349. 7. 
macrantherum, Giirke in Engl. Jahrb. xxxiil. 142. Borraginoides 
Medusa, Hiern in Cat. Afr. Pl. Welw. i. 721. 
Lower Guinea. Angola: Huilla; Humpata Plateau, Welwitsch, 5302! 
Johnston! Dekindt, 8; by the River Chitanda, near Kassinga, 4300 ft., Baum, 
928! 
2. T. heliocharis, S. Moore in Journ. Bot. 1877, 68. An under- 
shrub, with slender woody branches, densely clothed with adpressed 
white hairs. Stem-leaves 6 lin. long, 14 lin. wide, sessile, entire, 
oblanceolate with recurved edges, acute, subcoriaceous, densely clothed 
on both sides with adpressed white bristly hairs. Flowers several to a 
branch in a dense compound terminal cyme; bracts minute, linear ; 
pedicels sometimes longer than the calyx. Calyx 3 lin. long; lobes 
linear, densely hispid. Corolla-tube short ; lobes lanceolate, acuminate, 
4 lin. long, 1 lin. broad, pubescent outside. Anthers hairy at the base 
in front only, 1} lin. long; awns 2 lin. long, flat, connate, glabrous. 
Nutlets keeled on the ventral side, verrucose on the dorsal, slightly 
beaked.— Vatke in Linnea, xliii. 322 ; Engl. Hochgebirgsfl. Trop. Afr. 
352. 7" stenosepalum, Baker in Kew Bulletin, 1895, 221. 
Wile Land. British Somaliland: Serut Mountains, near Maid, 5900 ft.,. 
Hildebrandt, 1417! and without precise locality, Miss Edith Cole ! 
3. T. hispidum, Baker ¢ C. H. Wright. Stem much-branched, 
slightly woody, terete, densely and patently hispid. Leaves (the upper 
only seen) alternate, oblong, slightly narrowed to both ends, up to 4 lin. 
broad, densely covered with bulbous-based hairs on both surfaces.. 
