

SOLANACE^E. 2 6$ 



4. Cuscuta. Calyx 5, rarely 4-cleft. Corolla glpbose-campanu- 

 late ; border spreading, 5, rarely 4-cleft. Stamens 5, rarely 4. Stig- 

 mas 2. Capsule 2-celled ; cells 2-seeded. 



C. GRONOVII (Dodder}. Plant leafless, parasitic, destitute of all verdure ; 

 stem filiform, orange-yellow ; flowers sessile, in dense clusters, white ; corolla 

 campanulate, withering at the base of the globose capsule. July-Sep- 

 tember. 



Order LVII. SOLANACE.E (Nightshade Family). 



Herbs, or shrubby plants with a colorless juice. Leaves alter- 

 nate. Calyx free from the ovary, consisting of 45 persistent 

 sepals, more or less united at base. Corolla regular, rarely slight- 

 ly irregular, limb 4-5-cleft, plaited in prefloration. Stamens as 

 many as the corolla-lobes, alternate with its segments. Ovary 2, 

 and rarely 4 or 6-celled, with a central placenta. Fruit a many- 

 seeded capsule or berry. 



f Calyx deeply 5-parted Petunia. 

 Corolla with a 



tube | f Fruit prickly Datura. 



( Calyx tubular- - , Herbs-MV^: 



[ Fruit not prickly 4 



[_ Shrubs Lycium. 



Corolla-tube very 



f Corolla [Capsule Capsicum. 



rotate- 4 , a-celled, wusSi-Solanum. 



[Berry-' 



short or none -j [3-6-celled, large Lycopersicum, 



("Corolla blue Nicandra. 

 Corolla campanulate- H , Yellowish-/>^/. 



I Not blue- \ 



[ Purplish A tropa. 



1. Petunia. Calyx with a short tube and a 5-cleft, leafy limb. 

 Corolla salver-form ; tube cylindric ; limb in 5 unequal, flat, folded 

 lobes. Stamens 5, unequal. Capsule 2-valved. 



P. VIOLACEA (Purple Petunia}. Stem weak, hairy, viscid ; leaves broad- 

 ovate, acute, on short, winged petioles, entire ; peduncles axillary ; sepals 

 obtuse ; corolla-limb bright purple, divided into 5 unequal, rounded, acute 

 lobes. In cultivation, 2-4 feet long. July. 



2. Nicotiana. Calyx urn-shaped, 5-cleft. Corolla funnel-form, 

 or salver-form, regular ; limb plaited, 5-lobed. Stigma capitate. Cap- 

 sule 2-celled, 2-4-valved. Seeds minute. 



N. TABACUM (Tobacco}. Viscid-pubescent ; stem erect, paniculate above ; 

 leaves very long, lanceolate, sessile, decurrent ; flowers dull rose-color. Stem 

 4-6 feet high. July. 



