226 



INDEX TO CHAPTER VI 



42. Aster patens, blue-purple. 



43. Aster diimosus, pale blue. 



44. Low Cudweed {Gnaphalium 



uligiiiosHiii), white. 



45. Common Everlasting {Gnapha- 



limn polycephaluni), white. 



46. Robin's-plantain {En'geron belli- 



difolitis), light purple. 



47. Yarrow. Milfoil {Achillea Mil- 



lefoliutii), white. 



48. Elecampane {Inula Heleuiiiin), 



yellow. 



49. Lepachys pinnata, yellow. 



50. Beggar-ticks. Stick-tight (^/c/d-wj- 



frondosa), greenish yellow. 



51. Spanish Needles {Bidens Inpin- 



nata), yellow. 



52. Fireweed {Erechtites hieraci- 



folia), greenish white. 



53. M a y w e e d {Anthemis Cotula), 



white. 



54. Succory. Chicory {Cichorium 



Iiitybus), blue. 



55. Golden Ragwort. Squaw-weed 



{Senecio aureus'), yellow. 



56. Hawkbit. Fall Dandelion {Le- 



ontodon antumnalis), yellow. 



57. Burdock (/4rr/iM;« Lappa), crim- 



son. 



58. Hairy Hawkweed {Hieracium 



Gronovii), yellow. 



59. Chondrilla jitncea, yellow. 



60. Cotton, or Scotch Thistle {Ono- 



pordon Acanthiunt), purplfi. 



61. Centaurea. Knapweed. Star- 



thistle {Centatirea nigra), 

 purple. 



62. Field Sow-thistle (So/ic/nis ar- 



vensis), yellow. 



63. Nipplewort {Lampsana commu- 



nis), yellow. 



64. W h i t e Eettuce. Rattlesnake- 



root {Proiantlies alba), purple 

 and white. 



65. Lion's-foot (^Prenant/ies serpen- 



taria), greenish white. 

 f)6. Canada Wild Lettuce {Lactuca 

 Canadensis), pale yellow. 



67. Pimpernel (Anagallis arTensis), 



copper-red, blue, or white. 



68. Indian i'obacco (Lobelia in- 



flata), blue-purple. 



69. Lobelia spicata, light blue. 



70. Purple Milkweed {A scle- 



pias ptirpurascens), deep 

 crimson. 



71. Common Milkweed {Asclepias 



Cornitti), pink or purple. 



72. Butterfly-weed {Asclepias tube- 



rosa), yellow. 



73. Viper's- bu gloss. Blueweed 



{Echinin vulgarc), blue and 

 red. 



74. Common Gromwell {Lithosper- 



mum officinale), white or pale 

 yellow 



75. Corn Gromwell {Lithospermum 



arvense), whitish. 



76. Lithospe?'mnm hii-tiim. 



77. Ground Cherry {Physalis vis- 



cosa), greenish yellow. 



78. Physalis pubesceiis, purplish. 



79. Moth Mullein {I'erbascum Blat- 



taria), white or yellow. 



80. White Mullein {Verbascum 



Lychnitis), yellow or white. 



81. Thyme-leaved Speedwell {Vero- 



nica serpyllifolia), white or 

 light blue. 



82. Beard- tongue {Penstemon pube- 



sceiis), lilac or white. 



83. Slender Gerardia {Gerardia te- 



niiifolia), rose-pink. 



84. White Vervain ( Verbena urticae- 



folia), white. 



85. Blue Vervain {Verbena hastata), 



bluish purple. 



86. Blue Curls. Bastard Penny- 



royal ( 7'richosiema dichoto- 

 tnnin), blue. 



87. Trichosteiini lineare, blue. 



88. Wild Marjoram {Origanum vul- 



garc). pur|)lish. 

 Sweet M arjoraui ( rig anu m 

 Marjorama. 



89. Motherwort {Leon urns Cardi- 



aca), pale purple. 



90. Leotinrus Marrubiastrum, whit- 



ish. 



91. Leonurus Sibiricus, purplish. 



92. Self-heal {Prunella vulgaris), 



blue. 



93. Hemp-nettle {GaleopsisTetrahit), 



purplish. 



