INDF.X OF ORDERS AND GENERA. 



A 



Abies 71 



AbutiloD 10, 77 



Acalypha 48,88 



AOANTHACEyE 41 



*Acanthospermum. ...82 



Acer 12 



Acerates 35 



Achillea 29, 82 



Acnida 45 



Aconitum 2 



Acoriis 57 



Actaea 2 



Actinomeris 39 



*Adesmia 79 



Adiantnm 73 



Adlumia 3 



Adonis 1 



^gopodium 21 



^schy nomene 13 



^thusa 22 



*Ageratuiii 82 



Agrimonia 16 



Agropyrum... 71 



Agrostis m, 89 



Ailanthus 11 



Aira 68 



Ajuga 44, 86 



*Alclieniilla 80 



Aletris 53 



Alisma 58 



Alismaoe^. 58 



Allium 54 



Alnus 49 



Alopecunis 67, 89 



*Alternanthera 87 



Althaea 9, 77 



Alyssum 4, 75 



Amarantus 44, 87 



Amaeantace^ .,..44, 87 



Amaeyllide^ 53 



Ambrosia 28, 82 



Amelanchier 17 



Amiantbium 55 



Ammannia 19 



*Ammi 81 



Ammophila 68 



Amorpha 13 



Ampelopm 12 



Ampelide^ 11 



Amphicarpaea 14 



Amphicarpum 65 



*Amsiiickia 84 



AnAGAEDIAOE JE 12 



Anacharif 51 



* Anacyclus 82 



Anagallis 34, 84 



Anaphalis 28 



*Anchusa 84 



Andromeda 33 



Andropogon 66, 89 



Anemone 1 



Anemonella 1 



Angelica 22 



Anonace^ 2 



Antennaria 28 



Anthemis 29, 83 



Anthoxanthum 67 



Anthriscus 21 



*Anthylli8 79 



♦Antirrhinum 86 



Anychia 44 



*Apera 89 



Aphyllon 40 



Apios 14 



*Apium 81 



Aplectrum 51 



Apogynaoe^ .35 



Apocynum 35 



Aquilegia ...., 2 



Arabis 4 



*Arachis 80 



Aralia 22 



Aealiaoe^ 22 



Arceuthobium 47 



Archangelica 22 



Archemora 22 



Arctium 30 



Arctostaphylos 33 



Arenaria 8, 84 



Arethusa 52 



Argemone 3 



Arissema 57 



Aristida 67 



Aristolochia 47 



Aeistolochiaoe^ 47 



♦Armeria 84 



Arnica 30 



*Arnoseris 83 



Aeoide.^ 57 



Arrhenatherum 68 



Artemisia ...3U, 83 



Asarum 47 



AsoLEPiADE.f: 35, 84 



Asclepias..... 35 



Ballast Plants only. 



