74 



NORTH AMERICAN FLORA 



[V01.UME 7 



Aristlda basiramea 



Sorosporium consanguineum, 37 

 Aristida dichotoma 



Sorosporium KHisii, 39 

 Aristida longiseta 



Sorosporium consanguineum, 37 

 Aristida purpurascens 



Sorosporium consanguineum, 37 

 Aristida purpurea, see A, longiseta 

 Aiistida Rusbyi, see A. arizonica 

 Aristida Schiedeana 



' Sorosporiilm consanguineum, 37 



Aristida sp. 



Sorosporium consanguineum, 37 



Arnica Chamissonis 



Entyloma arnicale, 63 

 Arnica cordifolia 



Hntyloma arnicale, 63 

 Arnica latifolia 



Bntyloma arnicale, 63 

 Arrhenatherum avenaceum, see A, elatius 

 Arrhenatherum elatius 



XJstilago perennans, 7 

 Aster cordifolius 



Kntylomacompositarum, 62 



Aster Novi-Belgii 



Entyloma compositarum, 62 



Aster paniculatus 



Kntyloma compositarum, 62 



Aster puniceus 



Entyloma compositarum, 62 



Aster sp. 



Entyloma compositarum, 62 



Astragalus bisulcatus 



Thecapliora deformans, 41 

 Astragalus Drummondii 



Thecapliora deformans, 41 



Astragalus missouriensis 



Thecapliora deformans, 41 

 Astragalus multiflorus , see Homalobus tenellus 



Astragalus Nuttallianus 



Thecaphora deformans, 41 

 Astragalus scopulorum 



Thecaphora deformans, 41 

 Astragalus sp. 



Thecaphora deformans, 41 

 Atheropogon curtipendulus 



Ustilago Hieronymi, 13 

 Atragene occidentalis 



Urocystis carcinodes, 55 

 Avena fatua 



Ustilago Avenae, 7 



Avena sativa 



Ustilago Avenae, 7 

 Ustilago levis, 7 



Bidens chrysanthemoides, see B. laevls 



Bidens frondosa 



Entyloma guaraniticum, 63 



Bidens laevis 



Kntyloma compositarum, 62 

 Bidens leucantha 



Etityloma guaraniticum, 63 

 Bigelovia, see Isocoma 



Bistorta bistortoides 



Sphacelotheca Hydropiperis borealis, 30 

 Ustilago Bistortarum, 24 

 Bistorta vivipara 



Ustilago Bistortarum, 24 



Ustilago Bistortarum inflorescentiae, 24 



Boerhaavia sp. 



Thecaphora tunicata, 42 

 Bouteloua aristidoides, see Triathera aristidoides 

 Bouteloua breviseta 



Ustilago calcara, 6 



Ustilago Hieronymi, 13 

 Bouteloua bromoides 



Ustilago Hieronymi, 13 

 Bouteloua eriopoda 



Ustilago Hieronymi, 13 

 Bouteloua Havardii 



Ustilag-o Hieronymi, 13 

 Bouteloua birsuta 



Ustilago minor, 13 

 Bouteloua oligostachya 



Ustilago Boutelouae, 13 



Ustilago Hieronymi, 13 

 Bouteloua polystachya 



Ustilago Hieronymi, 13 

 Bouteloua racemosa, see Atheropogon curti- 

 pendulus 

 Bromus arvensis 



Ustilago bromivora, 10 

 Bromus breviaristatus 



Ustilago bromivora, 10 

 Bromus ciliatus 



Urocystis Agropyri, 58 



Ustilago bromivora, 10 



Ustilago bromivora macrospora, 10 

 Bromus Hookerianus 



Ustilago bromivora, 10 

 Bromus bordeaceus 



Ustilago bromiivora, 10 

 Bromus Kalmii 



Ustilago bromivora, 10 



Bromus marginatus 



Ustilago bromivora, 10 



Bromus mollis, see B. bordeaceus 

 Bromus polyanthus 



Ustilago bromivora, 10 

 Bromus Pumpellianus 



Ustilago bromivora, 10 

 Bromus racemosus 



Ustilago bromivora, 10 

 Bromus Richardsoni 



Ustilago bromivora, 10 

 Bromus secalinus 



Ustilago bromivora, 10 

 Bromus vulgaris 



Ustilago bromivora, 10 

 Bromus sp. 



Urocystis Agropyri, 58 

 Ustilago bromivora, 10 



Bucbloe, see Bulbilis 

 Bulbilis dactyloides 



Tilletia buchloeana, 51 



Ustilago Buchloes, 14 



