240 



Nepeta Cataria. Catnip. Not uncommon in waste places. 



Marrubitim vidgare. Horehound. Abundant in waste ground 

 throughout the state. 



Leonurus Cardiaca. Motherwort. Occasionally found near 

 streams. 



Lamium amplexicaule. Henbit. Occasionally found in waste 

 places. 



Lamium purpureum. Same as above. 



Solanum nigrum. Common Nightshade. Occasionally occur- 

 ring in lawns and waste places. 



Datura Tatula. Purple Jimsonweed. Occasionally found on 

 waste grounds. 



Verhascum Thapsus. Common Mullein. Occurring at the 

 mouths of the canyons. 



Veronica arvensis. Corn Speedwell. Occasionally found on 

 lawns. 



Veronica agrestis. Field Speedwell. Same as preceding species. 



Plantago lanceolata. English Plantain. Not uncommon on 

 lawns. 



Plantago major. Common on lawns and along irrigation ditches. 



Rubia tinctoria. Madder. Well established along irrigation 

 ditches in Sale Lake and Davis counties, but not yet common. 



Leptilon canadense. Horse-weed. Occasionally occurring in 

 waste places, but not yet common. 



Chrysanthemum Leucanthemum. Ox-eye Daisy. Has very re- 

 cently been introduced through the agency of impure grass 

 seed. 



Cirsium lanceolatum. Common Thistle. Abundant along irriga- 

 tion ditches. 



Cirsium arvense. Canada Thistle. Abundant in some places, 

 but not generally distributed. 



Cichorium Intybus. Chicory. Well established in Salt Lake 

 County for many years, but apparently not spreading rapidly. 



Tragopogon porrifolius. Salsify. Not uncommon in moist 

 meadows, and apparently spreading rapidly. 



Lactuca Scariola. Prickly Lettuce. Abundant in waste places. 



Taraxacum officinale. Dandelion. Most abundant; in lawns 

 and pastures. 



