298 JOURNAL OF ECONOMIC ENTOMOLOGY [Vol. 3 



*Beggarticks, bur marigold, pitch- 

 forks, stick seed Bidens sp. 



*Bindweed, bear bind, English bind- 

 weed, morning glory Convolvulus arveusls. 



*Black bindweed Polygonum convolvulus. 



Black mustard, brown mustard, groc- 

 er's mustard .Brassica nigra. 



Blue vervain, simpler's joy Verbena hastata. 



Blue weed .Echium vulgare. 



Boneset, ague weed, fever weed, thor- 



oughwort Eupatorium perfoHatum. 



Bouncing Bet, hedge pink, soapwort. . . .Saponaria offlcinalis. 

 Bracted plaiutain, western plamtam. . .Plant ago aristata. 

 Bull thistle, bird thistle, boar thistle, 



pasture thistle Carduus lanceolatus. 



Burdock, beggar's buttons, gobo, great 



dock Artuun lappa. 



Butter and eggs, toadflax, devil's flax, 



snapdragon Linaria linaria. 



*Button weed, compass weed, poor weed • .Diodia teres. 

 Canada thistle, creeping -thistle, 



cursed thistle Carduus arvensis. 



*Carpet weed, Indian chickweed Mollugo verticiUata. 



*Charlock, wild mustard, yellow mus- 

 tard Raphanus raphanistrum. 



*Chickweed, common chickweed Alsine media. 



Chicory, savory Chicorium intybus. 



*Climbing false buckwheat, bindweed. . . .Polygonum scandens. 



Cinquefoil Potentilla canadensis. 



Common darnel LoUum temulentum. 



*Corn cockle, bastard nigella, cockle, 



rose campion Agrostemma githago. 



*Corn gromwell, field gromwell, red 



root, wheat thief Lithospermum arvense. 



*Crab grass, finger grass, Polish millet . .Panicum sanguinale. 



*Creeping bush clover Lespedeza repens. 



*Croton Croton sp. 



*Crownbeard Verbesina sp. 



*Curled dock, sour dock, yellow dock. . . .Rumex a'ispus. 



Dandelion Taraxicum taraxicum. 



Darnel Festuca elatior pratensis. 



Dodder Cuscuta gronovii. 



Evening primrose dJnothera biennis. 



♦Everlasting Antennaria sp. 



False flax, gold of pleasure, Siberian 



oilseed, wild flax Camelina sativa. 



False nettle Bochmeria cylindrica. 



Fireweed Erechtites MeracifoUa. 



*Flowering spurge, showy spurge Euphorbia corollata. 



Fringed black bindweed Polygonum cilinode. 



