Trichodesma.] lxxxix. boragine^e (baker and wright). 45 



**Steius herbaceous. 









Calyx glabrous .... 





11. 



T. glabrescens. 



Calyx-lobes with larger hairs on the 



midrib 







and margins 



. 



12. 



T. africanum. 



Calyx equally hairy all over. 









Leaves ovate. 









Pedicels with adpressed hairs. 









Margin of nutlet smooth . 





13. 



T. calathiforme. 



Margin of nutlet tuberculate 





14. 



T. grandifolium . 



Pedicels with spreading hairs 





15. 



T. Bentii. 



Leaves ovate-lanceolate 





16. 



T. arenicola. 



Leaves lanceolate. 









Inflorescence an almost simple raceme . 



17. 



T. dekindtianitm. 



Inflorescence much-branched 



. 



18. 



T. Baumii. 



Leaves oblong-lanceolate . 





19. 



T. zeylanicum. 



1. T. Medusa, Baker in Kew Bulletin, 1894, 29. An undershrub ? 

 with hairy stems 3-6 feet long. Leaves subsessile, lanceolate, 1^-3 in. 

 long, acute, entire, rounded at the base, subcoriaceous, with scattered 

 adpressed hairs on both surfaces. Flowers many ; pedicels long ; 

 peduncle hairy. Calyx 2h 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. T. 

 macrantherum, Giirke in Engl. Jahrb. xxxii. 142. Borraginoides 

 Medusa, Hiern in Cat. Afr. PL Welw. i. 721. 



Lower Guinea. Angola : Huilla ; Humpata Plateau, Welwitsch, 5302 ! 

 Johnston ! Dehindt, 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, 1^ 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, 1J lin. long ; awns 2 lin. long, flat, connate, glabrous. 

 Nutlets keeled on the ventral side, verrucose on the dorsal, slightly 

 beaked. — Vatke in Linnsea, xliii. 322 ; Engl. Hochgebirgsfl. Trop. Afr. 

 352. T. stenosepalum, Baker in Kew Bulletin, 1895, 221. 



Nile Land. British Somaliland : Serut Mountains, near Maid, 5900 ft.,. 

 Hildebrandt, 1417! and without precise locality, Miss Edith Cole ! 



3. T. hispidum, Baker & G. 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. 



