226 



INDEX TO CHAP IE R VI 



42. Asterpatens, blue-purple. 



43. Aster dumosus, pale blue. 



44. LowCudweed {Gnaphalium 



uliginosuni)^ white. 



45. Common Everlasting (Gnapha- 



lium pofycephaluiii), white. 



46. Robin's-plantain (Erigeron belli- 



difolius), light purple. 



47. Yarrow. Milfoil (Achillea Mil- 



lefolimn), white. 



48. Elecampane (Inula Heleniuni), 



yellow, 



49. Lepachys pinnnta, yellow. 



50. Beggar-ticks. '^tick-tigXii (Bidens 



frondosd), greenish yellow. 



51. Spanish Needles (Bidens bipin- 



nata), yellow. 



52. Fireweed (Erechtites hieraci- 



folia), greenish white. 



53. Mayweed (Anthemis Cotuld), 



white. 



54. Succory. Chicory (Cichorium 



Intybtis), blue. 



55. Golden Ragwort. Squaw- weed 



(Senecio aureus), yellow. 



56. Hawkbit. Fall Dandelion (Le- 



ontodon autumnalis), yellow. 



57. Burdock (Arctium Lappa), crim- 



son. 



58. Hairy Hawkweed (Hieracium 



Gronovii), yellow. 

 5g. Chondrilla juncea, yellow. 



60. Cotton, or Scotch Thistle (Ono- 



pordon Acanthiwn), purple. 



61. Centaurea. Knapweed. Star- 



thistle (Centaurea nigra), 

 purple. 



62. Field Sow-thistle (Sonchus ar- 



vensis), yellow. 



63. Nipplewort (Lampsana commu- 



nis), yellow. 



64. White Lettuce. Rattlesnake- 



root (Prenanthes alba), purple 

 and white. 



65. Lion's-foot (Prenanthes serpen- 



taria), greenish white, 



66. Canada Wild Lettuce (Lactuca 



Canadensis), pale yellow. 



67. Pimpernel (Anagallis arvensis), 



copper-red, blue, or white. 



68. Indian Tobacco (Lobelia in- 



Jlatd), blue-purple. 



69. Lobelia spicata, light blue, 



70. Purple Milkweed (A scle- 



pias purpurascens), deep 

 crimson. 



71. Common Milkweed (Asclepias 



Cornuti), pink or purple. 



72. Butterfly-weed (Asclepias tuhe- 



rosa), orange, 



73. Viper's- bugl OSS. Blueweed 



(Echium vulgare), blue and 

 red. 



74. Common Gromwell (Lithosper- 



lutim officinale), white or pale 

 yello\\j 



75. Corn Gromwell (Lithospermum 



arvense), whitish. 



76. LithospermujH hirtum.^ 



77. Ground Clierry (Physalis vis- 



cosa), greenish yellow. 



78. Physalis pubescens, purplish. 

 7g. Moth Mullein (Verbascum Blat- 



taria). white or yellow. 

 80. White Mullein (Verbascum 



Lychnitis), yellow or white. 

 8i. Thyme-leaved Speedwell ( F«-«- 



nica serpyllifolia), white or 



light blue. 



82. Beard-tongue (Penstemon pube- 



scens), lilac or white. 



83. Slender Gerardia (Gerardia te- 



nuifolia), rose-pink. 



84. White Vervain ( Verbena urticae- 



folia), white. 



85. Blue Vervain ( Verbena hastata), 



bluish purple. 



86. Blue Curls. Bastard Penny- 



royal ( Trichostema dichoto- 

 viurn^, blue. 



87. Trichostema lineare, blue. 



88. Wild Marjoram (Origanum vul- 



gare), purplish. 

 Sweet Marjoram (Origanum 

 Marjorama. 



89. Motherwort (Leonurus Cardi- 



aca), pale purple, 

 go. Leonurus Marrubiastrum , whit- 

 ish. 



91. Leonurus Sibiricus, purplish. 



92. Self-heal (Brunella vulgaris), 



blue. 



93. Hemp-nettle (GaleopsisTetrahif), 



purplish. 



