Jones: Flora of Illinois 



375 



Aquifoliaceae 106 



Aquilegia 51 



Arabidopsis 75 



Arabis 74 



canadensis 74 



confinis 74 



de7itata 75 



divaricarpa 74 



druinmondii 74 



glabra 74 



hirsuta 74 



laevigata 75 



lyrata 74 



ovata 74 



shortii 75 



virginica 74 



Araceae 298 



Aralia 170 



Araliaceae 170 



Arbor-vitae 49 



Arctium 267 



Arctostaphylos 177 



Arenaria 84 



Argemone 65 



Argentina 1 14 



Arisaema 298 



Aristida 342 



Aristolochia 168 



Aristolochiaceae 167 



Armoracia 75 



Aronia 121 



Arrhenatherum 338 



Arrow-grass 275 



Arrow-grass Family 275 



Arrowhead 275 



Artemisia 265 



abrotanum 265 



absinthium 266 



annua 266 



Cauda ta 265 



cernua 265 



biennis 266 



dracunculoides 265 



gnaphalodes 266 



ludoviciana 266 



serrata 266 



vulgaris 266 



Arum Family 298 



Aruncus 1 13 



Arundinaria 328 



Asarum 167 



Asclepiadaceae 183 



Asclepias 183 



amplexicauHs 184 



angustifolia 185 



decumbens 184 



exaltata 185 



hirtella 185 



incarnata 185 



lanuginosa 185 



meadii 184 



ovalifolia 185 



perennis 185 



phytolaccoides 185 



purpurascens 184 



stenophylla 185 



sullivantii 184 



syriaca 184 



tuberosa 184 



variegata 185 



verticillata 184 



viridiflora 185 



Asclepiodora 186 



Ascyrum 77 



Ash 181 



Asimina 50 



Asparagus 283 



Asphodel 280 



Asplenium 46 



bradleyi 46 



cryptolepis 46 



ebenoides 47 



kentuckiense 46 



pinnatifidum 46 



resiliens 47 



ruta-muraria 46 



trichomanes 47 



Aster 247 



X amethystinus 251 



angustus 254 



anomalus 248 



azureus 248 



brachyactis 254 



chasei 247 



cordifolius 248 



drummondii 248 



dumosus 251 



ericoides 251 



exiguus 251 



furcatus 247 



interior 253 



junciformis 252 



laevis 249 



lateriflorus 252 



linariifolius 253 



longifolius 249 



lucidulus 249 



lutescens 253 



macrophyllus 247 



multifiorus 251 



novac-angUae 249 



oblongifolius 249 



ontarionis 252 



paniculatus 253 



parviceps 250 



patens 249 



pilosus 250 



praealtus 253 



prenanthoides 249 



pringlei 250 



ptarmicoides 253 



puniceus 249 



sagittifolius 248 



salicifolius 253 



