313 PRACTICAL BOTANY. 



70. Onopordon,Y2ii\l. Cotton Thistle. Species: 



Onopordon Acanthium, L. 



11, Zappa, Tourn. Burdock. /Sj^ecies: 



Zappa major, Gsertn. 



Sub-order II. — Liguliflorce. 



12. Lampmna, Tourn. Nij^ple-wort. Species: 



Lampsana communis, L. 



73. Cichorium, Tourn. Succory. Species : 



Cichorium Intybus, L. 



74. Krigia, Schreb. Dwarf Dandelion. Species: 



Krigia Yirginica, Willd. 



75. Cynthia, Don. Species 2. 



76. Leoniodon, L., Juss. Hawkbit. Fall Dandelion. 



Species : Leontodon autumnale, L. 



77. Ilieracium, Tourn. Ilawkweed. Species 6. 



78. Nahalus, Cass. Rattlesnake-root. Species 9. 



79. Troximon, Nutt. Species : 



Troximon cuspidatum, Pursh. 



80. Taraxacum, Haller. Dandelion. Species: 



Taraxacum Dens-leonis, Desf . Common Dandelion. 



^\. Pyrrhopap>pus,J). C. False Dandelion. Species: 



Pyrrhopappus Carolinianus, D. C. 



82. Lygodesmia, Don. Species : Lygodesmia junica, Don. 



83. Lactuca, Tourn. Lettuce. Species : 



Lactuca elongata, Muhl. Wild Lettuce. 



84. Mulgedlum, Cass. False or Blue Lettuce. Species 3. 



85. Sonchus, L. Sow-Tliistle. Sp>ecies 3. 



ORDER LX. 



LOBELIACEuE, OR LOBELIADS. 



Genus : 

 1. Lobelia, L. Species 12. 



