Heliotropium.| UXXXIX. BORAGINEH (BAKER AND WRIGHT). 33 
Lower Guinea. St. Thomas Island, Mann, 1093! Angola: Welwitsch, 5427! 
5459! Johnston! Monteiro! 
South Central. Congo Free State: Bangala, Hens, C 180! Kibali River, 
Schweinfurth, 544! 
Mozamb. Dist. German East Africa: Umba Valley, Smith! Kdssner, 75! 
Rufiji River, Goetze, 64! Mgeta River, Speke & Grant! Portuguese East Africa: 
Lower Zambesi, Peters. British Central Africa: Nyasaland; Matope, Scott-Elliot, 
8489 ! 
3. Hl. simile, Vatke in Linnea, 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. 
Nile Land. British East Africa: Ukamba; Hildebrandt, 2849. 
4. Hi. pallens, Del, Cent. Pl. Afr. Caill. 69, t. 3, 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 1} in., 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. Calyx 14 lin. long, densely hirsute, divided almost to the 
base ; lobes 5, linear. Corolla white (Delile), 3 lin. long, 2 lin. in diam. ; 
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 4 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. egyptiacum, Lehm. in Ind. Sem. Hort. Hamb. 1821, 8, and 
Pugill. i. 20. H. ewropewm, 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 ! 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., Hildebrandt, 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 Kew Bulletin, 1894, 30. Annual. 
Stems ascending, shortly softly hairy. Leaves obovate, long-petioled, 
VOL. IV.—SEC. 2 D 
