INDEX 



Abutilon abutilon, 121 



avicennae, 121 

 Acalypha virginica, 116 

 Acanthaceae, 144 

 Acer dasycarpum, 118 



nigrum, 119 



pennsylvanicum, 119 



rubrum, 118 



saccharinum, 118 

 var, nigrum, 119 



saccharum, 118 



spicatum, 119 

 Aceraceae, 118 

 Achillea millefolium, 158 

 Acorus calamus, 76 

 Actaea alba, 96 



rubra. 95 



spicata var. rubra, 95 

 Adder's-tongue, yellow, 79 

 Adiantum pedatum, 51 

 Adicea pumila, 88 

 Adlumia cirrhosa, 99 



fungosa, 99 

 Aecidium ligustri, 28 

 Aesculus hippocastanum, 119 

 Agastache scrophulariaefoUa, 137 

 Agrimonia hirsuta, 108 



striata, 108 

 Agrimony, taU hairy, 108 



woodland, 108 

 Agropyron caninum, 66 



repens, 66 

 Agrostemma githago, 92 

 Agrostis alba, 60 



hyemalis, 61 



pernnans, 61 



scabra, 61 



stolonifera, 60 



vulgaris, 60 

 Ague weed, 133 

 Ailanthus glandulosus, 116 

 Aizoaceae, 92 

 Alder, black, 118 

 Alexanders, golden, 126 



heart-leaved, 127 

 Alfalfa, 111 



Alisma plantago-aquatica, 55 

 Alismaceae, 55 

 Alleghany vine, 99 

 Allium canadense, 78 



cernuum, 78 



tricoccum, 78 

 Alopecurus geniculatus, 60 

 var. aristulatus, 60 



pratensis, 60 

 Alsine borealis, 94 



graminea, 93 



longifolia, 93 



media, 93 

 Alumroot, 115 

 Amanita flavoconia, 21-22 

 Amanitopsis strangulata, 35 



volvata, 35 

 Amaranth, prostrate, 91 



red, 91 

 Amaranthaceae. 91-92 

 Amaranthus albus, 92 



blitoides, 91 



graecizans, 92 



hybridus, 91 

 paniculatus, 91 



hypochondriacus, 91 



paniculatus, 91 



retroflexus, 91 

 Amaryllidaceae, 80 

 Ambrosia artemisiaefolia, 151 



trifida, 150 



integrifolia, 150 

 Ambrosiaceae, 150-51 

 Amelanchier botryapium, 109 



canadensis, 109 



var. oblongifolia, 109 



spicata, 109 

 Ampelopsis quinquefolia, 120 

 Amphicarpa monoica, 114 

 Amygdalus persica, 111 

 Anacardiaceae, 117 

 Anaphalis margaritacea. 156 

 Andromeda, 130 



ligustrina, 130 

 polifolia, 130 



