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Trans. Acad. Sci. of St. Louis. 
INDEX TO GENERA. 
Ababactus 27, 30, 43, 52-54 
Abletobium n. gen. 70, 79 
Acacia 6, 10 
Acalophaena 76, 77, 144-146 
Acanthus 10 
Achenium 73, 76 
Adelobium 56, 58 
Aderobium n. gen, 23, 28 
Aderocharis 147, 148 
Agaricus 10 
Agrostemma 10 
Alasmidonta 251 
Aloe 10 
Althaea 10 
Anodonta 249, 251, 254 
Apteralium n. gen. 70, 76, 77, 79 
Arcidens 254 
Arundo 10 
. Aster 10 
Bacillus 274, 287-290, 293 
Bifidaria 252, 257 
Biocrypta n. gen. 26, 51, 52 
Caloderma 154, 181, 182, 187, 189 
Calophaena 146 
Camarotoechia 259, 261 
Campeloma 256, 257 
Castanea 10 
Chamaerops 8 
Chrysanthemum 10 
Circinaria 257 
Citrus 8, 9 
Convoivulus 15 
Crytobiella n. gen. 26, 29, 49 
Cryptobium 27-32, 43, 50, 52 
Ctenomastax 235 
Cucumis 10 
Cucurbita 10, 14 
Cyperus 10 
Dacnochilus 68, 69, 76, 77, 
144-146 
131, 
Deratopeus n. gen. 73, 112 
Dibelonetes 235 
Dolicaon 56-58, 147 
Dolichos 14 
Domene 58, 68, 69, 76, 77, 105 
Echiaster 18, 216, 218, 245, 246 
Ervum 7 
Eucryptina, n. gen, 24, 28 
Eulathrobium n. gen. 68, 73, 114, 
115, 120 
Euscopaeus 192 
Eustilicus 219, 220, 228 
Formica 19 
Gastrolobium n. gen. 18, 23, 24, 31, 
32, 43, 51, 52 
Gladiolus 10 
Glyptomerus 68, 70, 76, 77, 79 
Helicodiscus 252, 258 
Hemimedon n. gen. 152, 160 
Hesperobium 19, 24-26, 28, 31,43, 
50-52 
Homoeotarsus, 24, 28, 43 
Hordeum 11 
Hyphaene 6 
Hypomedon 152, 155 
Iris 10 
Laemophloeus 77 
Lagenaria 14 
Lampsilis 249, 251-254 
Lathrobiella n. gen. 75, 130, 131, 
133, 141, 142 
Lathrobioma n. gen. 72, 75, 93, 97, 
98, 104, 122, 143 
Lathrobiopsis n. gen. 72, 97 
Lathrobium 69-73, 77, 80, 90, 91, 
93, 97, 98, 104, 105, 122, 128, 133, 
135, 160, 191, 248 
