Flora of Denver. 37 



SOLANACE^E. (Potato Family.) 



284. Solanum triflorum NUTT. (NIGHT-SHADE.) Berries 

 green when ripe. Common. Summer to fall. 



285. Solanum nigrum L. Berries almost black when ripe, 

 smaller than the preceding. Common. Summer to fall. 



286. Solanum rostratum DUNAL. Very bristly, especially 

 the calyx, which incloses the fruit, flowers bright yellow, sterile 

 filament beaked, often tinged with purple; flowers numerous 

 in a raceme. Common along ditches. Summer to fall. 



287. Physalis angulata L. (GROUND-CHERRY.) Reported 

 by Dr. Smith. 



288. Physalis pubescens L. Whole plant viscid; leaves 

 very broad, almost round, entire or with a few blunt teeth 

 along the sides; flower yellow, with a dark eye. Summer and 

 fall. 



289. Physalis Virginiana L. Viscid, leaves rather crowded, 

 much smaller than the preceding; flower larger, with a dark 

 eye. Summer and fall. 



290. Physalis lanceolata MICHX. Not viscid, leaves usu- 

 ally lanceolate and wavy margined, sometimes ovate. Sum- 

 mer and fall. 



291. Physalis lobata TORR. Covered with little white 

 grains, leaves mostly sinuate, prostrate, flowers purple or white. 

 North Denver. Summer. 



292. Datura Stramonium L. (THORN- APPLE.) (JAMES- 

 TOWN-WEED.) Introduced along the Burlington railroad track, 

 near Thirty-first Street. It has also been found along Cherry 

 Creek, and is quite abundant at Golden. 



SCROPHULARIACEv^E. (Figwort Family.) . 



293. Scrophularia nodosa L. Tall, flowers in a long 

 panicle at the top of the stem, corolla dull purple. Common 

 along the Platte and Cherry Creek. 



