352 CONVOLVULACE JE. (CONVOLVULUS FAMILY.) 
ed. (Lepidanche composite rum, Engelm.) — Moist prairies, &c.,ftom 
Ohio and Michigan westward ; growing on Sunflowers, Golden-rods, 
&c.: the close coils of flowers appear like ropes twisted around their 
stems. 
Order 77. SOLAJVACE^E. (Nightshade Family.) 
Herbs (or rarely shrubs ), with a colorless juice and al¬ 
ternate leaves , regular 5-merous and 5-androus flowers, 
on bractless pedicels ; the corolla plaited or infolded-valvate 
in the bud , and the fruit a 2 -celled (rarely 3-5 -eelled) 
many-seeded pod or berry .— Embryo small, mostly slender 
and curved in fleshy albumen. Calyx usually persistent. 
Stamens mostly equal, inserted on the corolla. Style and 
stigma single. Placentae in the axis, often projecting far 
into the cells. Seeds nearly amphitropous. 
Synopsis. 
* Corolla tubular or funnel-form : stamens separate. 
1. Nicotiana. Calyx tubular-bell-shaped, 5-cleft. Pod smooth, 2- 
4-valved at the apex, entirely 2-celled. 
2. Datura. Calyx prismatic, 5-toothed. Pod prickly, 4 -valved, 
spuriously and imperfectly 4-celled. 
3. Hyoscyamus. Calyx bell-shaped or urn-shaped, 5-lobed. Co¬ 
rolla somewhat irregular. Pod 2-celled, opening by a lid. 
* * Corolla bell-shaped or wheel-shaped : stamens convergent. 
4. Nicandra. Calyx 5-parted, 5-angled, at length bladdery and in- 
c *°sing the 3- 5-ceIled and pod-like dry berry. 
°. hvsalis. Calyx 5-cleft, at length enlarged and bladdery an 
inclosing the 2-celled berry. Anthers opening lengthwise. 
b. Solanum. Calyx mostly 5-cleft, spreading in fruit. Berry most¬ 
ly 2-celled. Anthers opening by pores at the apex. 
1. NICOTIANA, L. Tobacco. 
Calyx tubular-bell-shaped, 5-cleft. Corolla funnel-form or sal¬ 
ver-form, usually with a long tube, the plaited border 5 -lobed. 
Stigma capitate. Pod 2-celled, 2 -4-valved from the apex. Seeds 
minute. Rank acrid-narcotic herbs, mostly clammy-pubescent, 
with ample entire leaves, and lurid racemed or panicled flowers- 
(Named after John Nicot , who was thought to have introduce 
the Tobacco into Europe.) 
