IOWA ACADEMY OF SCIENCE 
77 
Desniodiun grandiflore, (50) 
Desmodium assilifolium, 45 
Diervilla Diervilla, see D. lonicera 
Diervilla Lonicera, 92 
Digitaria sanguinalis, 156 
Dioscorea villosa, 132 
Dirca palustris, 242 
Draba caroliniana, 25 
E 
Echinocystis lobata, 11, 133 
Elymus canadensis, 218 *■ 
Epilobium coloratum, (35) 
Erecbtites hieracifolia, 36 
Erigeron annuus, 33, 127, 206 
Erigeron canadensis, 36, 127, 206 
Erigeron philadelphicus, 206 
Erigeron ramosum, 93 
Erysimum parviflora, 25 
Erysipbe cicboracearum, 79 
Euonymous atropurpureus, (43) 
Eupatorium ageratoides, see E. urticae- 
folium 
Eupatorium purpureum, 13, 212 
Eupatorium urticaefolium, 40 
Euphorbia corollata, (46a) 
Euphorbia humistrata, 192 
Euphorbia maculata, 23 
Euthamnia graminifolia, see Solidago 
F 
Falcata, see Amphicarpa 
Filix, see Cystopteris 
Fragaria americana, 62 
Fragaria virginica, 62 
Fraxinus americana, 50, 215 
Fraxinus sp., (50) 
G 
Galium boreale, 19, 110 
Galium tinctorium, 232 
Gentiana Andrewsii, 74 
Geranium maculatum, 12, 134, 230 
Geum canadense, 26 
H 
Helianthus annuus, (40), 216 
Helianthus depapetalis, 216 
Helianthus doronicoides, 13, 40, 216 
Helianthus grosseserratus, 216 
Helianthus strumosus, 216 
Helianthus trachelifolius, 216 
Heliopsis scabra, 40 
Hepatica acuta, see H. actaloba 
Hepatica acutiloba, 16, 161, 179 
Heuchera hispida, 136 
Hordeum vulgare, 149, 154 
Humulus lupulus. 111 
Hystryx Hystryx, see H. patula 
Hystryx patula, 56 
Hydrophyllum virginicum, 24, 217 
I 
Impatiens aurea, 218 
Impatiens biflora, 14 
J 
Juglans cinerea, 112, 245 
Juncus interior, 57, 198 
Juniperus virginiana, 186, 18 y 188. 
K 
Koellia, see Pycnanthemum 
Kuhnia eupatorioides, 219 
L 
Lactaria sp,, 53. 
Lactuca canadensis, 30, 94, 223 
Lactuca hirsuta, 94 
Lactuca pulchella, 223 
Lathyrus venosus, 114, 193 
Laportea canadensis, 108 
Lappula virginana, 21 
Lepachys pinnata, 13, 163 
Lepidium apetalum, 7, 25 
Leptandra virginica. See Veronica 
Leptilion canadense, see Erigeron 
Lespediza capitata, 58, 195 
Linum sulcatum, 171 
Lonicera Sullivantii, 43, 126 
Lonicera tartarica, 43 
Lycopus rubellus, 71 
M 
Macrocalyx, see Nemophylla 
Malus, see Pyrus 
