INDEX TO CHAPTER VII 



1. Tall Crowfoot, or Buttercups 



(Ranunculus acris), yellow. 



2. Bulbous Crowfoot, or Buttercups 



(Ranunculus bulbosus), yel- 

 low. 



3. Celandine [Chelidonium majus), 



yellow. 



4. Hedge-mustard (Sisymbrium 



officinale), pale yellow. 



5. White Mustard (Brassica, or 



Sinapis, alba), yellow. 



6. Black Mustard (Brassica, or 



Sinapis, nigra), yellow. 



7. Shepherd's- purse (Cap sella, 



Bursa-pnsioris), white. 



8. Wild Peppergrass (Lepidium 



Virginicmn). white. 



9. Corn-cockle (Lychnis Githagd), 



deep crimson. 



10. Evening Lychnis (Lychnis ves- 



pertina), white or pink. 



11. Red Lychnis (/-j'f^«zj diumn), 



red. 



12. Thyme-leaved Sandwort (Are- 



naria serpyllifolid), white. 



13. Common Chickweed (Stellaria 



media), white. 



14. Long - leaved Stitchwort ( Stel- 



laria longifolid) , white. 



15. Com-spurrey (Spergula arven- 



sis), white. 



16. Common Purslane (Portutaca 



oleracea), light yellow. 



17. Common St. John's -wort (fiy- 



pericum perforatum), bright 

 yellow. 



18. Common Mallow (Malva roiun- 



di/olia), white, 



19. Sidn spinosa, yellow. 



20. Yellow Melilot. Sweet Clovei 



(Melilotus officinalis), yellow. 



21. White Melilot (Af«A'/i3/«j fl/ia) 



22. Black Medick (Medicago liipu- 



Una), yellow. 



23. Alfalfa (Medicago saliva), pur- 



ple. 



24. Rabbit - foot or Stone Clover 



('Trifolium ai"vense), gray. 



25. Yellow or Hop Clover (Trifo- 



lium agrarium), yellow. 



26. Trifolium procumbens, yellow. 



27. Vetch. Tare (Vicia saliva), 



light purple. 



28. Carpet-weed (Mollugo verticil- 



lata), white. 



29. Wild Carrot [Daucus Carotd), 



white. 



30. Fool's - parsley {^Aethusa Cyna- 



pium), white. 



31. Bittei--weed. Fleabane (Erige- 



ron Canadensis), white. 



32. Daisy Fleabane. Sweet Scabi- 



ous (Erigeron annuus), white. 



33. Erigeron sirigosus, white. 



34. Common Ragweed. Bitterweed 



(Ambrosia artimisiae folia), 

 green. 



35. Spiny Cocklebur (Xanthium 



spinosuni) , greenish yellow. 



36. Xanthium strumariuvi. 



37. Xanthium Canadense. 



38. Purple Cone-flower (Rudbeckia 



hirta). yellow. 



39. Galinsoga parviflora, greenish 



yellow. 



40. White-weed. Ox-eye Daisy, 



White Daisy (Chrysanthemum 

 Leucanthemum), white. 



