166 SOLANACEAE 



dense, stout- — Quite a patch along the road near 27th Street and the Ray- 

 town Road, Kansas City. July-August. 



20. PERILLA Ard. 



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

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

 panicled spikes. 



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

 cent : leaves loug-petioled, ovate, coarsely dentate : corolla 2'^ 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 tiie berry. 

 Plants prickly. ' 3. SOLANUM. 



Plants not prickly. 



Flowers not yellow. 3. SoLANUM. 



Flowers yellow. 4. Lycopeesicon. 



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. L P. pubencens. 



Leaves sinuate to the base. 

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



Leaves barely oblicine at base. 3. P. lUtrhmhnsis. 



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



Perennials. 



