166 SOLANACEAE 



dense, stout. Quite a patch along the road near 27th Street and the Kay- 

 town Eoad, Kansas City. July- August. 



20. PERILLA Ard. 



Calyx enlarging in fruit, the upper lip truncate, 3-toothed, the lower 

 2-cleft. Corolla 5- cleft, somewhat irregular. Flowers purplish in terminal 

 panicled spikes. 



1. P. frutescens (L. ) Britton. Annual, purplish, 2-3 high, pubes- 

 cent : leaves long-petioled, ovate, coarsely dentate : corolla 2 X/ long. 

 Waste places near Kansas City, Courtney and Independence ; abundant 

 in woods near Pixleys. September. 



FAMILY 109. SOLANACEAE Pers. 



Plants with non-stipulate alternate leaves and perfect regular flowers. 

 Calyx and corolla each 5-lobed. Stamens 5, alternate with the lobes of 

 the corolla, epipetalous. Ovary superior, 2-celled, or 3-5-celled, many 

 ovuled. Style and stigma solitary. Fruit a capsule or berry. 



Non- woody plants. 

 Corolla bell-shaped or spreading, 

 Fruiting calyx bladdery-inflated and enclosing 



the berry. 



Corolla blue. 1. PHYSALODES. 



Corolla yellow. 2. PHYSALIS. 



Fruiting calyx not inflated and usually not 



enclosing tne berry. 



Plants prickly. 3. SOLANUM. 



Plants not prickly. 



Flowers not yellow. 3. SOLANUM. 



Flowers yellow. 4. LYCOPERSICON. 



Corolla funnel-form. 6. DATURA. 



Woody plants. 5. LYCIUM. 



1. PHYSALODES Boehm. 



Fruiting calyx 5-angled, 5-parted. Berry 3-5-celled, dry. Flowers 

 axillary. 



1. P. Peruvianum Kunth. APPLE-OF-PERU. 2-6 high, smooth: 

 leaves ovate, sinuate-toothed, long-petioled. Escaped from gardens near 

 Atherton. July-September. 



2. PHYSALIS L. GROUND CHERRY. 



Fruiting calyx 5-angled, 5-cleft and 10-ribbed. Berry 2-celled, pulpy. 

 Flowers axillary. Leaves petioled. 



Annuals with fibrous roots. 

 Corolla with a dark center. 



Leaves entire near the base. 1. P. pubescens. 



Leaves sinuate to the base. 



Leaves strongly oblique at base. 2. P. pruinosa. 



Leaves barely oblique at base. 3. P. Barbadensis. 



Corolla without a dark center. 4. P. Missouriensis. 



Perennials. 



