376 SOLANACEAE (NIGHTSHADE FAMILY) 



more than ten thousand pounds of the seeds, costing three to seven 

 cents a pound. 



Means of control 



Pull or closely cut the plants before the ripening of the earliest 

 capsules. 



PURPLE THORNAPPLE 



Datura Tdtula, L. 



Introduced. Annual. Propagates by seeds. 



Time of bloom : May to September. 



Seed-time: August to November. 



Range: Ontario to Minnesota, southward to Florida and Texas. 



Habitat : Fields and waste places. 



A near relative of the Jimson Weed and equally poisonous. 

 Stems one to five feet tall, fork-branched, smooth, deep purple. 

 Leaves dark green, with purple veins and petiole, more hairy than 

 the preceding species, long ovate, and coarsely toothed. The flar- 

 ing lips of the trumpet-like corollas are violet or lavender, paling 

 to white in the throat. The prickly capsule or "apple" is also 

 purple, the thorns on its surface a little longer and stouter than 

 those of the Jimson Weed. Seeds similar in appearance. 



Means of control the same as for the Jimson Weed. 



HAIRY THORNAPPLE 

 Datiira Metel, L. 



Introduced. Annual. Propagates by seeds. 



Time of bloom : July to September. 



Seed-time : September to December. 



Range: New England to Florida, westward to Ohio. 



Habitat: Roadsides and waste places. 



Escaped from gardens, where it was cultivated for its beauty, 

 but a dangerous stray in the highways. Stems four to eight feet 

 tall, stout, much branched, finely glandular-hairy. Leaves four 

 to ten inches long, broadly ovate, acute, inequilateral, entire or 

 sometimes slightly wavy-edged, covered with fine, glandular 

 hairs which give the surface a soft, velvety look. Flowers white, 

 the trumpet-shaped corolla often six or seven inches long, the flar- 



