Drummondii, 965 



hirsuta 



pycnocarpa, 964 



ovata, 965 



oxyphylla, 965 

 Araceae, 556 

 Araucaria, 79 

 Arce, 1104 

 Arctic bluegrass, 189 

 Arenaria, 894 



alsinoides, 897 



confusa, 897 



lanuginosa, 897 

 cinerascens, 897 

 lanuginosa, 897 



obtusiloba, 895 



patula, 995 

 patula, 895 

 robusta, 895, 897 



rubella, 895 



saxosa, 897 



serpyllifolia, 897 

 Argentina 



Anserina, 1031 



argentea, 1031 

 Arisaema, 557 



Dracontium, 557 



quinatum, 560 



triphyllum, 557 

 pusillum, 557 

 Stewardsii, 557 

 Arizona 



-alder, 782 



-ash, 1305 



-dewberry, 1036 



-sycamore, 1015 



-walnut, 772 

 Armoracia, 7, 9, 979 



aquatica, 979 



rusticana, 979 

 Arnica, 1689 



Chamissonis. 1689 



foUosa, 1689 

 Aronia 



arhuti folia, 1017 

 macrophylla, 1017 

 Arrow-arum, 560 

 Arrow-vine, 810 

 Arrow-weed, 1637 

 Arrow-weed family, 129 

 Arrow-wood, 1556 

 Arrowhead, 3, 4, 142 

 Arrowroot family, 686 

 Arroyo willow, 764 

 Artemisia. 1365, 1689 



absinthium, 1689 



biennis, 1689 



Dracunculus, 1689 



tridentata, 1689 

 Arum family, 556 



Arundinaria, 175 



gigantea, 175 

 Arundo, 202 



Donax, 202 

 Asclepiadaceae, 1339 

 Asclepias, 1339, 1365 



curassavica, 1345 



galioides, 1345 



incarnata, 1345 

 incamata, 1347 

 longifolia, 1347 

 pulchra, 1347 



lanceolata, 1342 

 paupercula, 1342 



Lindheimeri, 1341 



longicornu, 1341 



longifolia, 1345 



oenotheroides, 1341 



perennis, 1347 



purpurascens, 1341 



rubra, 1342 



sp>eciosa, 1340 



subverticillata, 1342 



texana, 1347 

 Ascyrum, 1128 



hypericoides, 1128 

 hypericoides, 1129 

 multicaule, 1128 

 oblongifolium, 1129 



stans. 1128 

 Ash, 1303 



Arizona-, 1305 



Carolina-, 1303 



desert-, 1305 



Mexican-, 1305 



pop-, 1303 



red-, 1305 



velvet-, 1305 



water-, 1303 



white-, 1305 

 Ash-leaved maple, 1104 

 Aster, 1362, 1365, 1367, 

 1615 



adscendens, 1622 



chilensis, 1622 



coerulescens, 1622 



dumosus, 1625 

 coridifolius, 1625 

 subulaejolius, 1625 



Eulae, 1626 



exilis, 1621 



falcatus, 1621 



foliaceous, 1622 



frondosus, 1621 



hesperius, 1622 



hydrophilus, 1623 



intricatus, 1621 



lateriflorus, 1623, 1624, 

 1625 

 flagellaris, 1 624 



indutus, 1624 

 marsh-, 1622 

 marsh alkali-, 1622 

 novae-angliae, 1623 

 ontarionis, 1623, 1624 

 pantotrichus, 1624 

 pauciflorus, 1622 

 praealtus, 1622, 1625 

 scabricaulis, 1625 

 shrubby alkali-, 1621 

 simplex, 1624 

 spinosus, 1618, 1621 



euroauster, 1618 

 subulatus, 1618, 1621 

 australis, 1621 

 euroauster, 1621 

 ligulatus, 1621 

 subulatus, 1621 

 tenuifolius, 1618, 1621 

 tephrodes, 1623 

 umbellatus 



latifolius, 1626 

 vaUicola, 1622 

 vimineus, 1624 

 Astragalus, 1061, 1065 

 alpinus, 1061 

 dasyglottis, 1062 

 goniatus, 1062 

 Lambert a 



abbreviatus, 1063 

 Atamosco 



pulchella, 669 

 texana, 671 

 Athyrium, 67 

 asplenioides, 69 

 Filix-femina 



asplenioides, 67, 69 

 californicum, 69 

 Atriplex, 849, 1361, 1367 

 argentea, 851 



expansa, 853 

 hortensls, 851 

 lentiformis, 850 

 patula 



hastata, 851 

 semibaccata, 850 

 Atropa Belladonna, 1449 

 Aunt Lucy, 1377 

 Australian saltbush, 850 

 Autumn bentgrass, 231 

 Avens, 1031 

 big leaf-, 1033 

 white-, 1033 

 Avicennia, 1393 

 germinans, 1393 

 nitida, 1393 

 Avicenniaceae, 1392 

 Avocado, 961 

 Axocatzin, 1125 



1741 



