Nicotiana. 855 
492. (9.) Nicotiana Linn. 
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 or more-) 
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 semi- 
terete. — Herbs or undershrubs, 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. 
A. Leaves sessile. 
I. Corolla hypocrateriform........ 1. N. Tabacum. 
If? Corolla, infundibulitorm 5-5. .i'-. - = 2. N. plumbaginifolia. 
B. Leaves petioled. 
I eaves\ acuminate... - fhat-h «utes 3. N. glauca. 
ML, Wieawes ODbRSE.| olan pcene cn Boies yabhe a es aoe 4, WN. rustica. 
1201. (1.) Nicotiana Tabacum L. Spec. Plant. I (1753), p. 180. 
— Aschers.-Schweinf. Ill. Flor. d’Eg., p. 113 no. 768. —- Dun. in DC. 
Prodrom. XII, fase. I p.557. — Lehm. Hist. Nicot., p. 21. — Comes 
Monogr. Nicot., p. 7 fig. 1. — Nicotiana macrophylla Spreng. Ind. 
Hort. Hal. (1807), p.45. — A robust annual, up to 1,80 m high. 
Stem erect, viscid. Leaves lanceolate to ovate, the lower up to 
60 cm 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. — Flow. March to April. 
M. ma. M. p. N.d. N.f. N. v. D. a. sept. Cultivated every- 
where and often subspontaneous. 
Local name: dukhan; tabgha; tabua. 
A Native of America, and met with a stray from cultivation in most 
warm countries. 
