COLANACEAE. 



333 



i 



1. Physalodes physalodes (L.) 

 Britton. APPLE-OF-PERU. (Fig. 

 358.) Stem angled, 2-5 high. 

 Leaves ovate or oblong, acuminate 

 but blunt, narrowed at the base, 

 3'-8' long; petioles longer than 

 the peduncdes; flowers l'-H' long 

 and broad; corolla-limb almost 

 entire; fruiting calyx 1 '-!!' long 

 and thick, its segments acute, their 

 basal auricles acute or cuspidate ; 

 berry 6" in diameter, surrounded 

 by the calyx. [Atropa physalodes 

 L. ; Nicandra pliysalodes Gaertu.] 



Occasional in waste and culti- 

 vated grounds. Naturalized. Native 

 of South America. Naturalized in 

 the United States. Spring to autumn. 



2. PHYSALIS L. 

 Herbs, with entire or toothed 

 leaves. Peduncles solitary. Calyx 

 eampanulate, 5-toothed, in fruit 

 bladdery-inflated, 5-angled, or 10- 

 ribbed enclosing the pulpy berry. Corolla mostly yellow, often with a brownish 

 or purplish center, open-campanulate, plicate. Style slender ; stigma minutely 

 2-cleft. Seeds numerous, kidney-shaped, flattened. [Greek, bladder.] Some 

 75 species, mostly American. Type species: Physalis alkekengi L. 



Annual species ; fruiting calyx angular. 



Leaves obtuse or rounded at the base ; corolla with a brown or purple eye. 



Plant viscid-pubescent. 1. P. pubescens. 



Plant glabrous, or pubescent only above. 2. P. turbinata. 



Leaves, or most of them, narrowed at the base; corolla yellow. 3. P. angulata. 



Perennial species ; fruiting calyx scarcely angled. 4. P. peruviana. 



1. Physalis pubescens L. 



HAIKT GROUND CHERRY. HORSE 

 CHERRY. (Fig. 359.) Annual, 

 pubescent and viscid. Stems tall 

 and erect, or widely spreading, 

 .acutely 3-4-angled; leaves l'-3' 

 long, heart-shaped, acute or gen- 

 erally abruptly acuminate, sharply 

 repand-dentate, pubescent with 

 short hairs ; peduncles short, at 

 maturity sometimes 10" long; 

 calyx generally densely viscid- 

 hirsute ; lobes lanceolate, acumi- 

 nate, but not subulate-tipped; 

 corolla 2"-5" in diameter, yellow 

 with a purplish eye; anthers gen- 

 erally purplish; fruiting calyx 

 about 1' long, retuse at the base. 

 [P. T)ar~badensis Jacq.] 



Occasional in waste and culti- 

 vated grounds. Naturalized. Native 

 of the southern United States and 

 the West Indies. Summer and autumn. 



