INDEX. 



Acalypha virginica 



Achillea Millefolium 



Aconitum 



Agropyron repens, 6 



Agropyrum glaucum, var. oc- 



ddentale 



Agrostemma 



Githago 19 



Alsine media 18 



Alsineae 



AMARANTHACEAE 



Amaranth, Green 



Low. 



Rainbow 



Spreading 



Amaranthus caudatus 



hlitoides 



graedzans 



hybridus 



retroflexus 16 



tricolor 



Amber 41 



Ambrosia artemigiifolia 57 



psilostachya 



trifida 56 



Anaphalis 



Anemone, Crocus 



Pennsylvanian 



White 



Anemone canadensis 



patens, var. Wolfgangania, . . . 



Annuals 



Anogra pallida 42 



Antennaria 



Anthemis Cotula 59 



Anthemideae 



Plate Page 

 110 



Antirrhinum Linaria 50 



Apargia autumnalis 65 



Arabia 



glabra 



Arctium Lappa 



Lappa, var. minus 62 



minus 62 



Arnica (misnamed) ... 65 



157 

 75 

 34 



35 

 59 

 64 

 62 

 59 



57 



58 



56 



58 



56 



58 



58 



57 



56 



56 



112 



152 



153 



150 



147 



75 



75 



75 



75 



75 



11 



114 



147 



156 



156 



134 



168 

 101 

 101 

 163 

 162 

 162 

 168 



Artemisia 



biennis 



frigida 



hidoviciana. . . 

 Artichoke, Wild. 



Pl-vte Page 

 159 

 159 

 159 



159 

 . . 155 



ASCLEPIADACEAE. 



Asdepias incamata. . . . 



syriaca 



tuberosa 



^ Aster eae 



Asters 



Astragalus 



Atriplex 



August Flower 65 



Arena falua 3 



var. glabrata 3 



glabrescens 3 



Avicularia 



AxyT^ amarantoides 14 



Barbarea vulgaris 



Bardane 62 



Barley, wad 7 



Bartsia, Red 



Baughlan 61 



Bean, Golden 



Beaver Poison 43 



Bedstraw Family 



Bedstraw. Northern 



Beggar-ticks 



Beggar-tick, Common 



Behen vulgaris 22 



Bidens 



frondosa 



Biennials 



Bindweed 44 



Black 12 



European 44 



Field 44 



Great 



Hedge 



Small 44 



Upright 



119 



119 

 119 

 119 



143 



145 

 108 

 50 

 168 

 28 

 28 

 28 

 41 

 52 



101 

 162 

 36 

 133 

 160 

 107 

 116 



140 



140 

 155 

 155 



70 

 155 

 155 



11 

 120 

 41,48 

 120 

 120 

 121 

 121 

 120 

 121 



