STATE HORTICULTURAL SOCIETY. 483 



EUPHORBIACEAE. 



E'iphorhia Cyparisim, L. Cypress Si3iirge. 

 Escaping from several cemeteries, La Crosse and Xorth Bend, 

 Wis., and La Crescent, Minn. 



Euphorbia maculata, L. Creeping Spurge. 



Common along roadsides, in dooryards, and on sandy soil. 



URTICACEAE, 



Urtica- gracilis, Ait. Nettle. 

 Common along fences, hedges, etc. 

 Cannabis sativa, L. Hemp. 



This weed is common along roadsides, especially in light loamy 

 soil. 



GRAMINEAE. 



Panicum capillare, L. Old Witch Grass. 



Common in sandy soil and cultivated fields. 



Panicum crusgalli, L. Barnyard Grass. 



In rich and wet soil, common. 



Panicum SanrjninaJe, L. Common Crab or Finger Grass. 



Becoming numerous along roadsides. 



Mnhlenbergia mexicana, Trin. 



Common along the borders of woods, fences, in damp clay and 

 loamj^ soils. 



Setaria glauca, Beauv. Fox-tail Grass. 



A common weed in stubble, poor meadows, etc. 



Setaria ciridis, Beanv. Green Fox-tail Grass. 



More troublesome than the last in corn fields and cultivated 

 fields generally. 



Cenchrns tribnloides, L. Hedgehog or Bur-Grass; but 

 betterknown as Sandburs. 



On poor sandj^ soil along rivers, etc. 



Avena fatiia, L. Wild Oats. 



In grainfields. Introduced a few years ago and somewhat 

 troublesome. This species is widely diffused, in Australia* 

 South An^erica, etc. Employed for fodder in California and said 

 to be very good. 



Bromus secalinus, L. Chess or Cheat. 



In grainfields especially noticeable in winter wheat or rye. 

 Sometimes in meadows, but is not invaluable as a forage plant. 



Agropyrum repens, Beanv. Couch Grass. 



