Xicotiana.'] xci. solanace^e (wright). 259 



10. NICOTIANA, Linn. ; Benth. et Hook. f. Gen. PI. ii. 906. 



Calyx ovoid or tubular-campanulate, 5-fid. Corolla funnel- or salver- 

 shaped ; tube long, cylindrical or slightly ventricose ; limb equal or 

 oblique ; lobes 5, induplicate, patent. Stamens 5, inserted below the 

 middle of the corolla-tube, included or exserted, more or less unequal ; 

 filaments filiform ; anthers ovoid or oblong, deeply 2-lobed ; cells 

 parallel, dehiscing longitudinally. Ovary 2- (rarely 4-00-) celled ; style 

 filiform ; stigma dilated, shortly and widely 2-lobed ; ovules numerous. 

 Capsule 2- (rarely 4-) celled, dehiscing to the middle or lower by 2-fid 

 valves. Seeds numerous, small, scarcely compressed, granular ; embryo 

 straight or more or less curved, cotyledons semiterete. — Herbs or under - 

 shrubs, rarely subarborescent, usually with glutinous hairs. Leaves 

 simple, entire or sinuate. Flowers white, yellow, greenish or pink, in 

 terminal panicles or long unilateral bracteate or ebracteate racemes, 

 rarely solitary and axillary. 



Species about 40, in extra- tropical North and South America, Australia, and the 

 Pacific Islands. 



Upper leaves sessile. Corolla-lobes acute . . 1. N. Tabacum. 



Upper leaves petioled. Corolla-lobes obtuse . . 2. N. rustica. 



1. N. Tabacum, Linn. Sp. PI. eel. 1, 180. A robust annual, up 

 to 6 ft. high. Stem erect, viscid. Leaves lanceolate to ovate, the lower 

 up to 2 ft. long and shortly petioled, the upper much smaller, sessile 

 and more or less amplexicaul, entire, acute, sometimes undulate, viscid 

 on both surfaces. Panicle terminal. Calyx ovoid, viscid outside, 

 divided nearly halfway down ; lobes 5, narrowly lanceolate. Corolla 

 pink, white or pale yellow, viscid outside ; tube obconic ; lobes 5, 

 patent, short, broadly triangular, acute. Stamens inserted near the 

 base of the corolla-tube, usually included. Ovary ovoid ; style about 

 as long as the stamens. Capsule conic, acute or acuminate, as long as 

 the calyx or slightly longer. — Dunal in DC. Prodr. xiii. i. 557, incl. var. 

 macrophylla ; Lehm. Hist. Nicot. 21 ; Oliver in Trans. Linn. Soc. xxix. 

 119 ; Peters, Reise Mossamb. Bot. 231 ; Schweinf. Beitr. Fl„ Aethiop. 

 27(i ; Engl.Pfl. Ost-Afr. C. 356 ; J. Br. & K. Schum. in Mitth. Deutsch. 

 Schutzgeb. ii. (1889) 173 ; Zarb in Cat. Spec. Bot. Pfund, 30 ; Bentl. 

 & Trim. Med. PI. t. 191 ; Hiern in Cat. Afr. PI. Welw. i. 754; Comes, 

 Monogr. Mcot. 7, fig. 1 ; C. H. Wright in Dyer, Fl. Cap. iv. ii. 119. 

 j\ t . macrophylla, Spreng. Incl. Hort. Hal. 1807, 45 ; Lehm. I.e. 19. 



Upper Guinea. Northern Nigeria : Nupe, also cultivated from the sea to 

 Borgu, Barter, 1345 ! Sierra Leone : Freetown, Johnston, 72 ! Togo, Bra.un. 



Nile Land. Eritrea : Keren, Steudner, 723 ! Abyssinia, Schimper, 1412 ! 

 Kordofan : Obeid, Pfund, 33 ! Jur : Jur Ghattas, Schiveinfurth, 2355 ! 



Lower Guinea. Angola, Welwitsch, 6044 ! 6045 ! Curror ! 



Mozamb. Dist. German East Africa : Unyamwezi ; Mininga, Sjieke Sf Grant , 

 185! Kilimanjaro, Marungu, Vollcens, 2234! British Central Africa: Shire 

 Valley, Metier ! Mashona gardens on the Kitoro or Kitolo River. Baines ! 



Also in Soutb Africa, and South America from Bolivia and Paraguay south- 

 wards. 



" Called in some 8 or 9 languages, Tabba." Barter. " Phodia," Metier. 



