INDEX OF THE GENERA. 
Page 
A-BR'oMA 133 
A'brus , wild liquorice 129 
Acse'na * 58 
Acaly'ph.a . 156 
Acanthus, bears breech 110 
A'cer, maple * 166 
Achhnia 122 
Achillea, milfoil, yarrow 142 
A'chras, sapota -77 
Achyrhnthes 08 
Acnlda, Virginian hemp l 6 l 
A'cioa 121 
Acomtum, aconite 104 
A'eorus, sweet rush 80 
A'couroa 131 
Aerostichum, acrostic 171 
Ac tea, herb-chris tophe r 101 
Adansbnia, Mthiopian 
sour gourd 122 
Adelia 103 
Adenanthera, false flower 
fence v 88 
Adenostemma 140 
Adianthum, maiden hair 171 
Adonis,. bird’s eye 106 
Adoxa, tuberous mos- 
chatel 85 
iE'gilops, hard grass 167 
JSgiphila • 55 
iEgop 6 di<mB,.gow£r 0 or£ 73 
iEgoprigon- 152 
iEschynomene,/«/se sen¬ 
sitive plant 131 
iE'sculus, horse chesnut 82 
JEthusa, lesser hemlock 72 
Agaphnthus, African blue 
lily 76 
Agaricus, agaric 175 
A give, American aloe 78 
Ageratum, false hemp 
agrimony 140 
Agrimonia, agrimony 95 
Agrosteinma, campion, or 
wild lichnis 94 
Agrostis, bent grass 51 
Agyneja 158 
