INDEX 



To Orders, Genera and Common Names. 



PREPARED BY MRS. C. O. THURSTON. 



Abies 61 



Abutilon n 



; Acalypha 54 



Acanthacece 47 



I Acer 14 



i Achillea 34 



Aconite 3 



Aconitum 3 



Acorus 69 



Actsea 3 



Adder's Tongue 66 



I Adiantum 82 



Adlumia 5 



^Esculus 13 



i Agrimonia opp. 19 



Agropyrum . . 81 



Agrostis 78 



Ailanthus 12 



Alder 12, 57 



Aletris 64 



Alfalfa 15 



Alisma 70 



Alismacece 70 



Allegheny Vine 5 



Allium 65 



Alnus . . 57 



Alopecurus 78 



Am ar ant ace a 51 



Amarantus 51 



AmaryllidacetB 64 



Ambrosia 33 



Amelanchigr 21 



I Amianthium 67 



Ampelopsis 13 



Amphicarpsea 17 



Anacardiacece 14 



. Anaphalis 32 



Andromeda 38 



Andropogon 77 



Anemone i 



Anemonella i 



Angelica 24 



Anonacea 3 



Antennaria 32 



Anthemis 34 



Anthoxanthum 77 



Anychia 50 



Aphyllon 46 



Apios 17 



Apocynacece 40 



Apocynum 40 



Apple 4, 20 



Aquilegia . . . .' 3 



Arabis 6 



Aracece 69 



Aralia 26 



Araliaceoe 26 



Arbutus . . ' 37 



Arceuthobium 53 



Arctium 34 



Arenaria 9 



Arissema 69 



Aristida 78 



Aristolochiacece 53 



Arrow-head 70 



Arrow-wood 27 



Artichoke 33 



Asarum 53 



Asclepiadacete 41 



Asclepias 4 1 



Ash 12, 20, 40 



Asimina 3 



Asparagus 66 



Aspen 59 



Aspidium 83 



Asplenium 82 



Asprella 81 



Aster 31 



