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IOWA ACADEMY OF SCIENCE Vol. XXIX, 1922 
Batschia longiflora 
Mertensia virginica 
Cynoglossum Morisoni 
211. Verbenaceae 
Verbena hastata 
Verbena urticaefolia 
Verbena spuria 
Verbena angustifolia 
Verbena stricta 
Verbena bracteosa 
212. Eabiatae 
Isanthus caeruleus 
Lycopus sinuatus 
Hedeoma hirta 
Pycnanthemum pilosum 
Pycnanthemum lanceolatnm 
Scutellaria versicolor 
Stachys hispida 
214. Solanaceae 
Datura stramonium 
Physalis viscosa 
215. Scrophulariaceae 
Verbascum thapsus 
Scrophularia nodosa 
Chelone glabra 
Pentstemon pubescens 
Pentstemon laevigatum 
Veronica americana 
Veronica peregrina 
Gerardia pedicularia 
Castilleja coccinea 
Pedicularis canadensis 
222. Lentibulariaceae 
Utricularia vulgaris 
266. Phrymaceae 
Phryma leptostachya 
227. Plantaginaceae 
Plantago cordata 
229. Capri foliaceae 
Triosteum perfoliatum 
234. Campanulaceae 
Campanula americana 
Specularia perfoliata 
234. Eobeliaceae 
Lobelia cardinalis 
239. Compositae 
Liatris cylindracea 
Liatris scariosa 
Liatris pycnostachya 
Ku'hnia eupatorioides 
Eupatorium serotinum 
Aster sericeus 
Aster azureus 
Aster multiflorus 
Aster, oblongifolius 
Erigeron bellidifolium 
Erigeron Philadelphicum 
May, banks of Mississippi, Davenport 
April, Davenport 
waste places about villages 
waste places, Davenport 
roadsides 
dry fields 
June, dry fields 
river banks and prairies 
roadsides 
August, gravelly banks 
springy places 
dry exposed places 
dry hills 
thickets 
copses 
margins of rushy ponds 
waste places, interior 
dry fields 
roadsides 
June, copses 
swamps 
June, banks of Mississippi, Davenport 
roadsides 
brooks 
waste places, Davenport . 
September, dry prairie 
June, prairie 
prairie 
ponds 
rich woods 
April, edges of brooks 
June, copses and river banks 
July, woods 
June, dry hills 
August, low ground 
August, dry hillsides 
August, dry rolling prairies 
Moist places in prairies 
September, dry hills, Davenport 
September, dry banks of rivers 
August, dry prairies 
August, dry hillsides 
September, dry fields 
June, rocky banks of Mississippi, 
Davenport 
May, grassy places 
June, Davenport 
