Heliotropium.] lxxxix. boragine,e (baker and wright). 37 



14. H. supinum, Linn.Sp. PI. ed. i. 130. Annual, hirsute, much 

 branched. Stem decumbent at the base. Leaves opposite or alternate, oval 

 or oblong, obtuse, cuneate at the base, more or less crenate, densely hairy 

 on both surfaces, up to 18 by 6 lin., shortly petioled. Spikes simple or 

 once forked, dense, ebracteate. Calyx lh lin. long, hairy outside ; lobes 

 i as long as the tube, obtuse. Corolla-tube as long as the calyx ; lobes 

 exserted, very short, rounded. Stamens inserted just below the middle 

 of the corolla-tube. Ovary glabrous ; style as long as the ovary. 

 Mature nutlets 1-2 to each flower, 2 lin. long, enclosed in the persistent 

 calyx, plano-convex, dark brown, with a lighter brown border, obscurely 

 tubercled. — Lehm. PI. Asper. 48, excl. syn. Forsk. ; Sibth. Fl. Grseca, 

 t. 157 ; DC. Prodr. ix. 533 ; C. B. Clarke in Hook, f . Fl. Brit. Ind. iv. 

 149 ; Engl. Hochgebirgsfl. Trop. Afr. 351 ; Hiern in Cat. Afr. PL 

 Welw. i. 717; Giirke in Warb. Kunene-Samb. Exped. 347; C. H. 

 Wright in Dyer, Fl. Cap. iv. ii. 8. H. ambiguum, DC. Prodr. ix. 533. H. 

 coromandelianum, Raddi ex DC. I.e. Lithospermum heliotropioides, Forsk. 

 Fl. ^Egypt.-Arab. 39. Piptoclaina supina, G. Don, Gen. Syst. iv. 364. 



Nile Land. Soudan : Khartoum, Schweinfurth, 874 ! Broun ! Sennar, Kotschy, 

 336! Kordofan; Hogeli, Kotschy, 210! Abyssinia: Urakut district, Schimper, 

 1782 ! and without precise locality, Schimper, 1339 ! Galla : Lake Zuai, Wellby ! 

 British East Africa : Lake Rudolph, Wellby ! 



Lower Guinea. Angola: Mossamedes : near San Joao de Caroca, Welwitsch, 

 5287 ! by the River Bero, Welwitsch, 5286 ; between Ediva and Humhe, Baum, 70 ! 

 Huilla, Johnston / 



Also in North and South Africa, South Europe, the Canary Islands, and India. 



15. H. undulatum, Vahl, Symb. i. 13. Perennial, much-branched. 

 Stem slender, suberect, densely clothed with white bulbous-based 

 bristles. Leaves scabrid on both surfaces, undulate, the upper lanceo- 

 late, sessile, the lower oblong, tapering into a short petiole, up to 2| in. 

 long and 7 lin. broad. Spikes many, short, dense, ebracteate. Calyx 

 1 lin. long, hairy outside ; lobes 5, oblong, truncate, as long as the 

 tube. Corolla If lin. long ; tube slightly inflated near the middle ; 

 lobes short, rounded, much undulated. Stamens inserted about half- 

 way up the corolla-tube ; anthers lanceolate, acute. Style short, thick, 

 glabrous ; stigma conical. Fruit globose, almost 2-winged, pilose at 

 first, finally glabrous ; nutlets 4, rugose. — DC. Prodr. ix. 536 ; C. B. 

 Clarke in Hook. f. Fl. Brit. Ind. iv. 150 ; Schmidt, Beitr. Fl. Cap. 

 Verd. Ins. 225 ; Hiern in Cat. Afr. PI. Welw. i. 718. H. crispum, 

 Desf. Fl. Atlant. i. 151, t. 41. H. persicum, Lam. Encycl. hi. 94 ; 

 DO. I.e. 537 ; Boiss. Fl. Orient, iv. 147. H. ramosissimum, Sieber ex DC. 

 I.e. H. eriocarpum, Delile ex Lehm. Asper. 55. H. p>a>radoxum, Vatke 

 in Oest. Bot. Zeitschr. 1875, 167. H. nubicum, Bunge in Bull. Soc. 

 Nat. Mosc. xlii. i. 330 (1869). H. cressoides, Franch. Sert. Somal. 46. 

 Lithospermum hispidum, Forsk. Fl. iEgypt.-Arab. 38. 



Upper Guinea. Senegambia : Mbidjem, Thierry, 51 ! Sor Island, Brunner, 

 27 ! Senegal, Dollinger, 1 ! Roger, 40 ! Sieber, 11 ! Northern Nigeria : Bornu : 

 Kuka, on Lake Chad, Vogel, V2 ! and without precise locality, Elliot, 122 ! 



Nile Land. Nubia : coast region, Bent ! between Suakin and Berber, 

 Sthweinfnrth, 280 ! Soudan: near Khartoum, Petherick ! Sennar, Kotschy, 279 ! 



