Heliotr opium.] lxxxix. boragine^e (baker and wright). 33 



Lower Guinea. St. Thomas Island, Mann, 1093 ! Angola : Welwitsch, 5427 ! 

 5459 ! Johnston ! Monteiro ! 



South Central. Congo Free State : Bangala, Sens, C 180 ! Kibali River, 

 Schweinfurth, 54i ! 



Mozamb. Dist. German East Africa : Umba Valley, Smith ! Kcissner, 75 ! 

 Rufiji River. Qoetze, 61 ! Mgeta River, Speke Sf Grant ! Portuguese East Africa: 

 Lower Zambesi, Peters. British Central Africa : Nyasaland ; Matope, Scott-Elliot, 

 8489! 



3. H. simile, Vatke in Linncea, xliii. 317. Probably annual. 

 Stems herbaceous, clothed with spreading hairs. Leaves ovate, obtuse, 

 sometimes 2 in. long, 1 in. wide, broadly rounded or subcordate at the 

 base, repand, scabrid on both sides ; lower petioles 7 lin. long. Spikes 

 dense, many-flowered, ebracteate. Calyx strigose, 2 lin. long; lobes 

 linear. Corolla-tube hairy, 2 lin. long ; lobes obtuse. Style glabrous, 

 longer than the conical stigma. Nuts 4, rugose, glabrous. — Giirke in 

 Engl. Pfl. Ost-Afr. C. 337. 



Wile Land. British East Africa : Ukarnba ; Hildebrandt, 2849. 



4. H. pallens, Del Cent. PI. Afr. Cdill. 69, t. 8, fig. 4. An erect 

 much-branched annual herb. Stem softly tomentose. Leaves ovate, 

 acute, rounded or shortly cuneate at the base, up to 2 by liin., densely 

 pubescent on both surfaces, hairs on the underside of the nerves longer 

 than elsewhere ; petiole up to 9 lin. long, pilose. Cymes spicate, some- 

 times forked, arranged in a terminal, sometimes leafy panicle ; flowers 

 crowded. Cahyx 1^ lin. long, densely hirsute, divided almost to the 

 base ; lobes 5, linear. Corolla white (Delile), 3 lin. long, 2 lin. indiam. ; 

 tube contracted just above the base, pubescent outside; lobes rounded, ob- 

 tuse, sometimes slightly undulated. Stamens inserted about half-way up 

 the corolla-tube ; anthers subsessile, lanceolate, 1 lin .long. Ovary ovoid or 

 conical; style about £ lin. long, retrorsely pilose; stigma conical from 

 a flat base, nearly as long as the style, shortly bifid. Nutlets finely re- 

 ticulate. — DC. Prodr. ix. 534; Schweinf. Beitr. Fl. Aethiop. 116; 

 Vatke in Oest. Bot. Zeitschr. 1875, 166 ; Engl. Hochgebirgsfl. Trop. 

 Afr. 351. H. cegyptiacum, Lehm. in Ind. Sem. Hort. Hamb. 1821, 8, and 

 Pugill. i. 20. H. europceum, Speke, Nile, Append. 641 ; Oliv. in Trans. 

 Linn. Soc. xxix. 114, not of Linn. 



Nile Land. Nubia : Dongola, Cailliaud, coast region, Bent ! Egyptian 

 Soudan : New Dongola, Bromfield, 93 ! Sennar, Kotschy, 267 ! Bweola, Petherick ! 

 between Berber and Khartoum, Schweinfurth, 553 ! Khartoum, Petherick I Broun ! 

 Kotschy, 325 ! Schweinfurth, 844 ! El-Korehr, Ehrenberg ex Schweinfurth. Seru 

 in Fesoghlu, Cienkowsky ex Schweinfurth ! Kordofan, Pfund, 278 ! 453 ! Kotschy, 

 231 ! British Somaliland : Golis Range, Miss Cole ! Mrs. Lort Phillips ! Ahl 

 Mountains near Yafir, 6500 ft., Sildebrandt, 845, ex Vatke. 



This species bears a striking resemblance to H. villosum, Willd., from which it 

 is distinguished by the elongate, hairy style, and long conical stigma. 



5. H. phyllosepalum, Baker in Keto Bulletin, 1894, 30. Annual. 

 Stems ascending, shortly softly hairy. Leaves obovate, long-petioled, 



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