69 



I NDEX. 



Page. 



Abies 64 [ 



Abutiloa 15 



Acalypha 44 



Acanthacese 39 



Acer 17 I 



Achillea 30 



Acnida 41 



Acorus 54 



Actcea 9 



Adiantum 66 



Adluraia 10 



^sculus 18 



Agrimonia 21 



Agropyrum 63 



Agrostis 61 



Aira 62 



Alsma 54 



Alismacese 54 



Allium 50 



Alnus 46 



Alopecunis 60 



Amarantus 41 



Amarantacese 41 



Amaryllidacese 50 



Ambrosia 29 



Amelanchier 22 



Ammophila 61 



Ampelopsis 17 



Amphicarpcea 19 



Anacardiacese 18 



Anacharis 48 



Anagallis .,, , 34 



Anaphalis ,. 29 



Amlromeda 33 



Andropogon 60 



Anemone 8 



Anemonella 8 



Antennaria 29 



Anthemis 30 



Anthoxanthum 60 



Anychia 15 



Aphyllon 38 



Apios 19 



Aplectram 18 



Apocynacese 35 



Apocynum 35 



Aquifoliaceae 16 



Aquilegia 9 



Arabia 12 



Aracese 53 



Aralia 25 



Page. 



Araliacea3 25 



Arcbangelica 25 



Arctium 31 



Arctostaphylos 33 



Arenaria 14 



Arethusa 49 



Arisaema 53 



Aristida 60 



AristolocbiacefB 43 



Arrhenanthemum 62 



Artemisia 30 



Asarum 43 



Asclepiadaceae 35 



Asclepias 35 



Asparagus 51 



Aspidium 66 



Asplenium : 66 



Asprella 63 



Aster 28 



Astragalus 19 



Atriplex 42 



Avena 62 



Bartonia 36 



Barbarea 12 



Berberidaceae 9 



Berberis 9 



Betula 45 



Betulacese 45 



Bidens 30 



Blephilia 40 



Blitum 42 



Boehmeria---- 45 



Borraginacese 36 



Botrychium 65 



Brachyelytrum 61 



Brasenia 10 



Brassica 12 



Briza 62 



Bromus 63 



Brunella 40 



Calamagrotis 61 



Calamintha 40 



Calla 53 



Callitrichaceae 44 



Callitriche 44 



Calopogon 49 



Caltha 9 



Calypso 49 



Calystegia 37 



Camelina 12 



Campanula 32 



