!6 solanaceae 



Lycium — Matrimony Vine 



(Named from the country Lycia) 

 Leaves spatulate, entire; branches trailing L. vulgare 



Physalis — < rround Cherry 



(Gr. physall'is, bubble, from the inflated calyx) 



1. Fruiting calyx red P- alkekengi: straw- 



berry, tomato 



2. Fruiting calyx not red P. heterophylla 



a. Plant glandular, hairy 



b. Plant smooth or sparsely hairy 



(1) Corolla dull yellow with brown center; berry yellowish P. lanceoldta 



I ' Corolla brighl yellow with purple center; berry purple /'. ixocdrpa 



I apsicum — Red Pepper, Cayenne Pepper, Green Pepper 



(Gr. kapsis, gulping down,, perhaps from its pungency) 



1. Annual or biennial ; fruit oblong linear to round t. annuutn 



2. Perennial ; fruit oblong-pointed as a rule C. fruiescens 



Lycopersicum — Tomato 



(Gr. lykos, wolf, persikon, peach) 

 Leaves pinnate, hairy, strong-scented ; flowers yellow ;. fruit red or yellow L. esculentum 



Solatium — Potato, Egg-plant, Nightshade 



(Lat. sola-, solace, perhaps from the use as food or medicine) 



1. Plant prickly 



a. Prickly calyx enclosing the dry fruit S. rostrdlum: buffalo bur 



b. Calyx less prickly, or smooth, not enclosing the berry 



(1) Fruit globose, orange-yellow, 1-2 cm. wide; native 5. carolinense: horse 



nettle 



(2) Fruit various in form and color, large, J/2-2 dm. long; cultivated S. melongena: egg-plant 



2. Plant not prickly 



a. Shrubby house-plant with white flowers and red berries S. pseudo-capsicum: 



Jerusalem cherry 



b. Plant not shrubby 



\ 1 i Leaves lobed or compound 



(a) More or less climbing, many of the leaves 3-lobed ; flowers 



purple; berry red S. dulcamara: bittersweet 



(b) Erect or spreading; berry green 



x. Leaves pinnate; cultivated for its tubers S. tuberosum: potato 

 y. Leaves pinnatifid; native S. trifiorum 

 (2) Leaves not lobed, nearly entire, fruit black, edible; wild, and cul- 

 tivated as the "wonderberry" S. nigrum: nightshade 



Datura — Thorn-apple, Stramonium, Jimson Weed 



(Name from the Arabic) 



1. Flower white 



a. Leaves lobed D. stramonium 

 ives entire or merely wavy 



(1) Plant smooth; corolla 5-tOOthed D. cornucopia 



(2) Plant viscid, hairy; corolla 10-toothed D. meteloidcs 



2. Flower violet or lilac D. tdtula 



Atropa — Belladonna 



(Named for Atropos, one of the Fates) 

 Leaves ovate, entire; corolla and berry purple A. belladonna 



I [y< iscyamus — Henbane 



(Gr. "hyos." hog, kyamos, bean) 

 Leaves clasping, toothed, clammy; flowers yellowish //. niger 



