662 



INDEX 



Dioscoreaceae, 242 



Diospyros, 500 



virginiana, 500 



Diplachne, 136 

 maritima, 136 



Diplotaxis, 340 

 erucoides, 340 

 muralis, 340 

 tenuifolia, 340 

 virgata, 340 



Dipsaceae, 582 



Dipsacus, 582 



fullonum, 583 

 sylvestris, 582 



Dirca, 459 



palustris, 459 



Distichlis, 138 

 spicata, 138 



Dodecatheon, 499 

 Meadia, 16, 499 



Doellingeria, 616 

 humilis, 616 

 infirma, 29, 616 

 umbellata, 616 



Dondia, 299 



americatia, 300 

 linearis, 300 

 maritima, 19, 300 



Draba, 346 



caroliniana, 346 

 verna, 346 



Dracocephalum, 532 

 virginianum, 532 



Drosera, 351 



filiformis 29, 351 

 intermedia, 4, 351 

 longifolia, 351 

 rotundifolia, 351 



Droseraceae, 351 



Drymocallis, 367 



agrimonioides, 367 

 argula, 367 



Dryopteris, 54 

 Boottii, 57 

 Clintoniana, 55 

 cristata, 55 

 diltatata, 56 

 Dryopteris, 57 

 Goldieana, 27, 55 

 hexagonoptera, 56 

 intermedia, 56 



Dryopteris marginalis, 56 



noveboracensis, 55 



Phegopteris, 56 



simulata, 55 



spinulosa, 56 



Thelypteris, 55 

 Duchesnea, 365 



indica, 365 

 Dulichium, 169 



arundinaceum, 169 



spathaceum, 169 



Eatonia, 137 



pennsyhanica, 138 



pubescens, 137 

 Ebenaceae, 500 

 Ecbalium agreste, 583 

 Echinacea angustifolia, 640 



purpurea, 640 

 Echinochloa, 102 



Crus-galli, 102 



frumentacea, 102 



Walteri, 102 

 Echium, 525 



pustulatum, 525 



violaceum, 525 



vulgare, 525 

 Eclipta alba, 622 

 Elaeagnaceae, 460 

 Elaeagnus, 460 



angustifolia, 460 



argentea, 460 

 Elatinaceae, 447 

 Elatine, 447 



americana, 447 

 Eleocharis, 157 



acicularis, 160 



acuminata, 161 



diandra, 159 



Engelmanni, 159 



flaccida, 15, 159 



glaucescens, 159 



intermedia, 5, 161 



interstincta, 158 



melanocarpa, 160 

 filiformis, 160 



mutata, 158 



obtusa, 159 



ochreata, 159 



olivacea, 159 



ovata, 5, 159 



Eleocharis palustris, 159 

 pygmaea, 165 

 quadrangulata, 158 

 Robbinsii, 28, 158 

 rostellata, 28, 161 

 simplex, 15, 160 

 tenuis, 161 

 Torreyana, 15, 160 

 tortilis, 160 

 tricostata, 28, 160 

 tuberculosa, 160 



Elephantopus, 590 

 carolinianus, 590 



Eleusine, 135 

 indica, 135 



Ellisia, 519 



Elodeaceae, 89 



Elymus, 149 



arkansanus, 150 

 australis, 150 

 brachystachys, 150 

 canadensis, 150 



glaucifolius, 150 

 glabriflorus, 14, 150 

 halophilus, 149 

 hirsutiglumis, 150 

 striatus, 23, 150 

 virginicus, 149 



Emex spinosa, 295 



Empetraceae, 428 



Epigaea, 492 

 repens, 492 



Epilobium, 464 



adenocaulon, 20, 465 

 coloratum, 465 

 hirsutum, 465 

 lineare, 464 

 parviflorum, 465 

 strictum, 7, 465 

 tetragonum, 465 



Epipactis, 254 



pubescens, 257 

 repens ophioides, 257 

 tesellata, 257 

 iriridiflora, 254 



Equisetaceae, 62 



Equisetum, 62 

 arvense, 63 

 fluviatile, 64 

 hyemale, 64 

 laevigatum, 64 



