893 



station (see Experiment Station Kecord, vol. iir, ]i. 020). On the basis 

 of information furnished by 284 observers in different parts of the 

 State, tabuhited data are given regarding the distril)iition, prevalence, 

 and troublesomeness of the species of weeds found in West Virginia. 

 There are also brief statements regarding the value of some of these 

 weeds as forage plants, and the use of chemicals as weed exterminators. 

 The 25 species considered the " worst Aveeds " are as follows: Ox-eye 

 daisy {Chrysanthemum Lencanthemum), broom sedge {Andropof/on sco- 

 jxtrius), pasture thistle {Cnicus lanceolaiuH)^ burdock {Arctimn lappa), 

 bitter dock {Rumex ohtitsifoliiis), ^^ild carrot {Daucus eayofa), elder 

 {S((mhucus canadensis), ironwood {Vernonia noveboracensis and V. altis- 

 simtis), yarrow {Achillea millefolium), buck plantain {Plantago lan- 

 ceolata),coc\i](Anir {Xaufhium canaden.se), hhie thistle {Echiinn vulr/are), 

 ragweed {Ambrosia artemisice/olia), Spanish needles {Bidens bipinata), 

 whitetoji {Eriyeron anmins), sand briar {Solanum caroUnense), sorrel 

 {Rumex acetosclla), garlic {Allium vineale), white devil {Aster lateriflorus, 

 xav.Jiirsuticaulis), blue devil {Aster cordif alius, yaw Iccvigatus), Canada 

 thistle (Cnicus arvensis), morning glory {Ipomoea purpurea), wild sweet 

 jiotato {Ipomoea pandnrata), dog fennel {Anthemis cotula), cinq^uefoil 

 ( rotenliUa canadensis). 



