53 . Family.. ..Cichoraceas. 
Cichorium, Hieracium, Hyoseris, Krigia, Laetuca, 
Leontodon, Prenanthes, Scorzonera, Sonchus, Trago- 
pogon. 
54. Family....C inarocephal -as. 
Arctium, Carduus, Carthamus, Cnicus, Centaurea. 
55. Family. ...Corymbifera;. 
Achillsea, Acmella, Ageratum, Ambrosia, Anthemis, 
Arnica, Artemisia, Aster, Baccharis, Baltimora, Bei¬ 
lis, Bidens, Boebera, Boltonia, Buphthalmum, Cacalia, 
Cineraria, Conyza, Coreopsis, Chrysogonum, Chrysan¬ 
themum, Chrysocoma, Eclipta, Erigeron, Ethulia, Eu- 
patorium, Elephantopus, Galardia, Gnaphalium, Hele- 
nium, Helianthus, Heliopsis, Hymenopappus, Inula, 
Iva, Kuhnia, Liatris, Marshallia, Mikania, Melanan- 
thera, Parthenium, Phaetusa, Polymnia, Rudbeckia, 
Senecio, Sigesbeckia, Silphium, Spilanthus, Stokesia, 
Solidago, Tanacetum, Tetragonotheca, Tussilago, Yer- 
besina, Vernonia, Xanthium. 
56. Family.. ..Dipsaceje. 
Allionia, Dipsacus, Fedia, Valeriana. 
57. Family.. ..Rubiaceas. 
Cephalantbus, Chiococca, Biodia, Galium, Garde¬ 
nia, Houstonia, Mitchella, Oldenlandia, Pinkneya, Ru- 
bia, Spermacoce. 
58. Family.... Caprifolia. 
Caprifolium, Cornus, Diervilla, Hedera, Linnaea, Lo- 
nicera, Sambucus, Symphoricarpos, Viburnum, Vis- 
cum, Xylosteum. 
59. Family.. ..Aralfe. 
Aralia, Panax. 
60. Family.... Umbelliferas. 
Ammi, Anethum, Angelica, Apium, Caucalis, Clue- 
