108 BOTANY OF LA SALLE COUNTY. 



CONVOL, VULUS. Bindweed. Morning-glory of the 



farmer. 

 C. spithamaeus. Erect, downy, 6 to 15 in. flowers 



W. Dry sandy lands. 



C. sepium. W. or Pi. Everywhere in cult, lands. 

 C. arvensis. Prostrate, slender, leaves dark, dull 



G., flowers W .1 in. broad. R. Deer Park Tp. 

 CUSCUTA A. Leafless with very slender, yellow- 



ish or reddish stems attached to stems of other 



plants. 



C. tenuiflora. Coarse, yellow. Wet places. 

 C. Gronovii. Or. Showy and handsome. Damp 



places. 

 C. glomerata. Flowers W. in dense clusters like 



ropes closely -coiled about stems of wild sun- 



flowers along streams. 

 Order 74. SOLANA CEAE. Nightshades. 



Corolla wheel-shaped; stamens 5; leaves alter- 



nate pinnate or lobed. 

 SOLANUM dulcamara. P. Bittersweet. Climb- 



ing; leaves entire to hastate, dark G.; flowers 



in clusters, B. ; berries Sc. 

 S. nigrum. A. Nightshade. Erect, branching; 



leaves thin, ovate; margins wavy, toothed, fl. 



W.; berries Bl. Fields. 

 S. Carolinense. P. Erect, hairy, prickly; prickles 



stout, Y. C. B. & Q. track N. E. of Ottawa 



and other places. 

 S. rostra turn. A. Very prickly, hoary; leaves 



lobed; fl. Y. Rock Island tracks, Ottawa. 

 PHYSALIS. A. Ground Cherry. Calyx inflated en- 



closing fruit. 

 P. Philadelphia. Leaves ovate, oblong; corolla 



Vi. spotted in center; berry purplish filling 



calyx. 



