i6 



SOLANACEAE 



Lycium — Matrimony Vine 

 (Named from the country Lycia) 

 Leaves spatulate, entire; branches trailing 



Physalis — Ground Cherry 



(Gr. physallis, bubble, from the inflated calyx) 



1. Fruiting calyx red 



2. Fruiting calyx not red 



a. Plant glandular, hairy 



b. Plant smooth or sparsely hairy 



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



(2) Corolla bright yellow with purple center; berry purple 



/.. -ul gar e 



P. alkekengi: straw- 

 berry, tomato 

 P. heterophylla 



P. lanceoldla 

 P. i.xocdrpa 



S. rostral um: buffalo bur 



Capsicum — Red Pepper, Cayenne Pepper, Green Pepper 



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



1. Annual or biennial; fruit oblong-linear to round C. dnnuum 



2. Ferennial; fruit oblong-pointed as a rule C. frulescens 



Lycopersicum — Tomato 



(Gr. lykos, wolf, persikon, peach) 

 Leaves pinnate, hairy, strong-scented ; flowers yellow ; fruit red or yellow L. escuU'ntum 



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 • 



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



(1) F'ruit globose, orange-yellow, 1-2 cm. wide; native S. carolinhtse: horse 



nettle 



(2) Fruit various in form and color, large, Yz-2 dm. long; cultivated 5. 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) 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 5. trifiorum 



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



tivated as the "wonderberry" 5. nigrum: nightshade 



Datura — Thorn-apple. Stramonium. Jimson Weed 



(Name from the Arabic) 



1. Flower white 



a. Leaves lobed 



b. Leaves entire or merely wavy 



(1) Plant smooth; corolla 5-toothed 



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



2. Flower violet or lilac 



Atropa — Belladonna 



(Named for Atropos, one of the Fates) 

 Leaves ovate, entire ; corolla and berry purple 



D. stramonium 



D. cornucopia 

 D. meteloides 

 D. tdtula 



A. belladonna 



Hyoscyamus — Henbane 



(Gr. hyos, hog, kyamos, bean) 

 Leaves clasping, toothed, clammy ; flowers yellowish 



//. niger 



