258 xci. solanace^e ( wright). [Datura. 



lower Guinea. Angola; Mossamedes ; banks of the River Bero, near 

 Quipola, WelwitscJi, 6030 ! Loando ; near Conceigao, Welwitscli, 6051 ! 

 Throughout the tropics and temperate regions. 



9. HYOSCYAMUS, Linn. ; Benth. et Hook. £. Gen. PI. ii. 903. 



Calyx tubular-campanulate or urceolate, shortly 5-fid ; accrescent, 

 rigidly many ribbed. Corolla funnel-shaped, sometimes split down one 

 side; limb oblique, 5-fid; lobes wide, imbricate, more or less unequal, 

 patent. Stamens inserted about the middle of the corolla-tube, usually 

 exserted ; filaments filiform, slightly dilated at the base ; anthers ovate 

 or oblong, dehiscing longitudinally. Disc none or small. Ovary 2-celled, 

 sometimes thickened at the apex ; style filiform ; stigma capitate ; ovules 

 many. Capsule 2-celled, circumscissile. Seeds more or less com- 

 pressed, tuberculate or scrobiculate ; embryo near the margin, much 

 curved ; cotyledons seniiterete. — Erect annual or biennial herbs, hairy 

 or glabrous. Leaves sinuate, dentate or incised, rarely quite entire. 

 Flowers usually unilateral, the lower axillary, the upper in a scorpioid 

 spike or raceme. Corolla often reticulately veined. 



Species about 9, the others in Central Asia, the Mediterranean region and 

 Canary Islands. 



Lower leaves subrotund . . . . . .3. H. grandiflorus. 



Lower leaves broadly lanceolate . . . . . 2. H. muiicus, 



1. H. grandiflorus, Franchet, Sert. Somal. 48. An erect herb 

 about 3 ft. high, covered with short glandular pubescence. Lowest 

 leaves long petioled, subrotund, broadly subcordate or truncate at the 

 base, margin unequally sinuate-dentate, pubescent on the nerves only ; 

 upper leaves ovate, shortly petioled, sinuate or repand. Bracts small, 

 entire ; lower peduncles 1 in. long, upper much shorter. Calyx tur- 

 binate-tubular, 1 in. long, unequally 5-toothed ; teeth deltoid. Corolla 

 funnel-shaped, 2 in. long; limb large. 



Wile Land. Somaliland : Gueldora Valley, below Lasgore, Revoil. 



2. H. muticus, Linn. Mant. 45. Herbaceous. Stem erect, 

 1-2 feet high, |— 1 in. in cliam., glabrous or pubescent. Leaves broadly 

 lanceolate, 4-6 in. long, 2 in. wide, entire or dentate, almost glabrous ; 

 petiole l 1 — 2h in. long, winged. Peduncle short; flowers greenish- 

 white, tipped with purple (Broun). Calyx obconic, 5-fid. Corolla 

 funnel-shaped, a little longer than the calyx ; 3 upper lobes wider than 

 the lower, 2 lower widely separated. Stamens 5, declinate, slightly 

 exserted ; anthers versatile. Style exserted. Capsule subglobose. — 

 Oliver in Trans. Linn. Soc. xxix. 119; Vatke in Linngea, xliii. 334; 

 Boiss. Fl. Orient, iv. 293. Scopolia muiica, Dunal in DC. Prodr. xiii. i. 

 552. Scopolia Datora, Dunal, I.e. 553 ; Thomson in Speke, Nile Journ. 

 App. 641. 



Nile land. Nubia: Dongola, Broun ! 



Also in Lower Egypt, Arabia, Persia, and Beluchistan. 



