Nicotiana. | SOLANACEAE, 311 
6. DATURA, L. 
Calyx tubular, breaking away transversely near the base after flowering. 
Corolla funnel-shaped, with a long tube and a broad 5-angled or 5-toothed 
limb, folded in the bud and twisted. Ovary 2-celled, each cell incompletely 
divided into two. Style filiform, with an oblong bilamellate stigma. Fruit 
an ovoid or globular prickly capsule, opening into 4 short chine Embryo 
curved. — Tall coarse herbs, shrubs or small soft-wooded trees. Leaves 
Cea often in pairs. F lowers solitary, terminal or bated usually 
large 
A small genus, common to both Worlds. 
71. D. Stramonium, LZ. — DC. Prod. XIII, 540. — A glabrous annual, 
2~—4 ft. high. Leaves large ovate, sinuately ota Calyx 5-toothed, 
half as long as the white corolla, which is 2—3‘ long with the limb 
pointedly 5-toothed, spreading and gradually passing into the haces 
ho ha 
tube. ted prickles of the capsule much shorter than the low 
A trouble near Honolul d spread over various parts of ae ictante 
‘at. Dame: «Kika . Aplant of uncertain origin, b at 
temperate regions of both Worlds. The leave otic oripondio» 
Ss at 
- (Brugmansia) arborea, L., an inmate of most gardens, is occasionally met with in 
the outskirts of the lower woods, but as the plant rarely produces seed its presence in 
hose places is probably due to the agency of m 
7. NICOTIANA, L. 
Calyx tubular, nai toothed or lobed, persistent. Corolla funnel- or salver- 
amen ed. Stigma 
‘Shaped, ud wisted. 
capitate, 2-lobed. Capsule 2-celled, septicidal, the valves bifid. Embryo 
slightly curved. — Tall herbs or shrubs, usually viscous. Leaves almost 
tire. Flowers in terminal panicles or racemes. 
us of American origin. 
T1. N. glauca, Grah. — DC. Prod. XIII, 562. — A tall shrub, 8—12 ft. 
high, quite glabrous. Leaves ovate-cordate, 5 X 3‘, on petioles of 3’, 
acute, entire, of glaucous hue. Flowers in terminal panicles with subulate 
bracts. Calyx fain tly angular, 5-toothed. Corolla yellow, softly pubescent, 
3 times longer than the calyx, its tube incurved, inflated at the throat 
and contracted at the mouth, the limb very short 
Of late introduction, but fairly naturalized. A native ore the La Pla 
- Tabacum, L., the common Tobacco, is cultivated by the oiler ae Gaus 
occasionally a plant escapes from the enclosures, it cannot be considered as naturalized. 
It thrives admirably and yields a weed of fine flayor but = — saiccala to be 
available for cigars by the ordinary methods of curing the 
Orper LIX. - CONVOLVULACEAE. 
Sepals ee persistent, distinct and imbricate or very rarely united into a 
5-toothed calyx. Corolla usually campanulate or funnel-shaped, or rarely 
with a cylindrical tube or rotate, the limb entire and 5-folded, 5-ang: 
