INDEX 



Page 



Abronia 172 



Absinth 245 



Abutilon 



avicennae 74 



Theophrasti 27, 84, 200, f. 200 



Legislation 43 



Acacia, Germination 42 



Acalypha virginica . . . . 74, 194 



Accessory bud 117 



Acclimatization of plants 83-84 



Acer 



macrophyllum 199 



nigrum 199 



saccharum 199 



Achene 132 



Achenium 132, f. 134 



Achillea millefolium 75, 243 



Acnida tuber culata 27, 171 



Aconite .128 



Acorn 15, 133 



Aderhold 95 



Adnate filament 129 



Adnation 127 



Adventitious bud 117 



African weeds 81 



Agaric, Fly 64 



Aggregate fruit 132 



Agropyron repens. .73, 153-155, f. 154 



Legislation 43 



Agrostemma Githago69,8l, 176, f. 176 



Agrostis alba 73, 149 



Alfalfa 28, 30 



Impurities 35-36. f. 36 



Alfilaria, Musky 192 



Allium 



canadense 72, 159 



ricoccum 72 



vineale 61, 72, 159 



Distribution .79 



Alopecurus geniculatus 70, 148 



Alsike 29, 30, 33 



Impurities 35, f. 35 



AM ARANTHACEAE 136, 170 



Amaranth 80 



Spiny 80, 171 



Amaranthus 



albus 33, 84 



blitoides 171, .172 



retroflexus 28, 73, 84, 170 



Vitality 37 



Germination 42 



spinosus 73, 80, 84, 171 



Ambrosia artemisiaefolia 



33, 73, 234, f. 235 



Vitality 37 



psilostachya 59, 73, 234-235 



trifida 73, 80, 234, f . 237 



Germination 42 



Page 

 American Association of Official 



Seed Analysts 43, 49 



American Seed Trade Association 43 



Ammonium sulphate 95 



A mpelppsis arbor ea 69 



Amphitropous ovule 13? 



Amsinckia intermedia.., .. 216 



ANACARDIACEAE 136, 198 



Anatropous 132 



A ndropogon 



Halapense 71 



sorghum 69 



virginicus 55 



Anemone 63 



Anemopsis californica 160 



Angiosperm 129 



Animals 



As seed carriers 15, 18, 41-42 



Germination of seeds fed to ... 41 



Annuals 7 



Spear grass 61 



Winter 7 



Anthemis 



arvensis 69, 243-244 



Cotula 33, 70,243 



Vitality 38 



nobilis 244 



Anther 129 



Extrorse 129 



Introrse '. 129 



Anthony, R. 1 102 



Apetalous flower 126 



A pium graveolens 69 



APOCYNACEAE 137, 208-209 



Apocynum 



androsaemifolium 69, 208 



cannabinum 69, 208-209 



Apple 133 



Purple thorn 222-223 



Tree 5 



Arctium Lappa 28, 68, 246, f. 247 



Legislation 43 



Argemone 



intermedia 59 



mexicana 60, 73, 84 



platyceras 73 



Aristida 



dichotoma 59, 146-147 



fasciculata 147 



oligantha 73, 147 



Arizona, Native pasturage 51 



Arrow-head f. 18 



Artemisia 



absinthium 245 



biennis 75, 245, f . 245 



Ludoviciana 71, 75, 245 



tridentata 245 



vulgaris 245 



