168 SOL AX ACE AE 



ter : fruiting calj'x pubescent, angled, sunken at base. — Common in fields 

 and waste places. May-September. 



Var. nyctaginea (Dunal.) Kvdb. Leaves subentire and less pubes- 

 cent. — In waste places near Kansas City. 



3. SOLANUM L. 



Corolla wbeel-sbaped, 5-lobed. Anthers oblong, opening by a short 

 terminal slit or pore. Berry globose. 



Plants not prickly. 



Flowers white ; berries black. 1. ,S'. nigrum. 



Flowers blue ; berries red. 2. S. Dulcamara. 



Plants prickly. 



Flowers yellow. 3. S. rostratum. 



Flowers light bluish. 



Plant densely silvery-canescent. 4. S. elaeagnifolium. 



Plant hirsute, not silvery. 5. S. CaroUnense. 



1. S. nigrum L. Black Nightshade. Annual, l°-3° high, nearly gla- 

 brous : leaves ovate, undulate, petioled : flowers4'' broad, in lateral, um- 

 bellately 3-10-flowered clusters. — Common in waste places. July-October. 



2. S. Dulcamara L. Bittersweet. Perennial, more or less climb- 

 ing, hairy : leaves ovate or hastate, either entire or with two lobes at 

 base : flowers 6^' broad, in compound lateral cymes. — In waste places at 

 Independence. Locally common. June-August. 



3. S. rostratum Dunal. Buffalo Bur. Annual, 6'-2° high, pubes- 

 cent and usually very prickly all over : leaves ovate in outline, 1-2- 

 pinnatifid : flowers racemose, V broad : calyx densely prickly, enclosing 

 the berry. — Commonly adventized in waste places. May-October. 



4. S. elaeagnifolium Cav. White Horse Nettle. Perennial, 1°-3° 

 high : leaves oblong-linear to oblong-lanceolate, nearly entire : flowers 

 violet-blue, cjmose, 10" broad. — Beginuing to appear along railroads, 

 Wayne City, Sheffield. August-October. 



5. S. Carolinense L. Horse Nettle. Perennial, l°-2° high : leaves 

 ovate-oblong, repaud to pinnatitid : flowers light violet, cymose, 10'^ 

 broad. — Abundant in waste places. July-October. 



4. LYCOPERSICON Mill. 

 Herbs witli pinnately divided leaves and small j'ellow flowers in lateral 

 oymes. Flowers as in Solanum, but anthers elongated, longitudinally 

 dehiscent. 



1. L. esculentum Mill. Tomato. 6'-3° high, viscid-pubescent : leaf 

 segments ovate-lanceolate, dentate : flowers G" broad : berries reddish. — 

 Frequently found in waste places and on sand-bars along the Missouri 

 Kiver. June-September. 



5. LYCIUM L. 



Woody, usually spiny, shrubby vines with entire leaves and small axil- 

 lary dowers. Corolla funnel-form or salver-forra, 5 lobed. Berries small, 

 globose. 



