Part 1, 1906] 



HOST-INDEX : USTII.AGINAI.BS 



79 



Oryzopsis, see Erlocoma 

 Oxalis stricta 



Ustilago Oxalidis, 20 



Oxyria digyna 



Ustilago vinosa, 21 

 Oxyria sp. 



Ustilago vinosa, 21 



Panicularia americana 



Ustilago Arthurii, 20 



Ustilago longissima, 6 

 Panicularia fluitans 



Ustilago longissima macrospora, 6 

 Panicularia laxa 



Ustilago longissima macrospora, 6 

 Panicularia sp. 



Ustilago longissima, 6 

 Panicum agrostoides 



Sorosporium Syntherismae, 38 



Panicum capillare 



Sorosporium Syntherismae^ 38 

 Panicum colonum, see Echinochloa colona 



Panicum Crus-galli, see Echinochloa Crus-galU 

 Panicum filiforme, see Syntherisma filiforme 

 Panicum fimbriatum, see Syntherisma fimbriatum 

 Panicum glabrum, see Syntherisma humifusum 

 Panicum hirticaulum 



Sorosporium Syntherismae, 38 

 Panicum leuoophaeum, see Trichachne Insulare 

 Panicum obtusum 



Tilletia pulcherrima, 52 

 Panicum paspaloides 



Ustilago Panici-pfoliferi, 11 



Ustilago Rickerii, 11 

 Panicum proliferum 



Entyloma spediosum, 60 



Sorosporium Syntherismae, 38 



Ustilago pustulata, 14 

 Panicum proliferum acuminatum 



Ustilago Panici-proliferi, 11 

 Panicum rottboellioides 



Sphacelotheca diplospora glabra, 27 

 Panicum saccharatum, see Trichacline sac- 



charatum 

 Panicum sanguinale, see Syntherisma sanguinale 



Panicum virgatum 



Tilletia Maclagani, 50 



Tilletia pulcherrima, 52 



Ustilago pustulata, 14 

 Panicum Walteri, see Echlnochloa Walteri 



Panicum sp. 



Entyloma speciosum, 60 

 Sorosporium Syntherismae, 38 

 Sphacelotheca diplospora verruculosa, 27 



Papaver sp. 



Entyloma fuscum, 66 

 Pappophorum "Wrightii 



Ustilago Hieronymi, 13 

 Faspalum no ta turn 



Sphacelotheca Paspali-notati, 28 



Paspalum plicatulum 



Tilletia rugispora, 52 

 Paspalum velutinum 



Ustilago Holwayana, 17 



Paspalum sp. 



Tilletia rugispora, 52 

 Persicaria amphibia 



Ustilago utriculosa, 22 

 Persicaria Careyi 



Ustilago utriculosa, 22 

 Persicaria Hydropiper 



Melanopsichium austro-americanum, 30 



Sphacelotheca Hydropiperis, 30 



Ustilago utriculosa, 22 

 Persicaria hydropiperoides 



Ustilago utriculosa, 22 

 Persicaria incarnata 



Melanopsichium austro-americanum, 30 



Ustilago utriculosa, 22 

 Persicaria lapathifolia 



Melanopsichium austro-americanum, 30 



Ustilago utriculosa, 22 

 Persicaria pennsylvanica 



Melanopsichium austro-americanum, 30 



Ustilago utriculosa, 22 

 Persicaria Persicaria 



Sphacelotheca Hydropiperis, 30 

 Persicaria punctata 



Sphacelotheca Hydropiperis, 30 



Ustilago utriculosa, 22 

 Persicaria sp. 



Melanopsichium austro-americanum, 30 



Sphacelotheca Hydropiperis, 30 



Ustilago utriculosa, 22 

 Phalaris aruiidinacea 



Ustilago echinata, 20 

 Phleum pratense 



Entyloma crastophilum, 60 



Ustilago striaeformis, 18 

 Phragmites communis, see P. Phragmites 

 Phragmites Phragmites 



Neovossia iowensis, 53 

 Physalis angulata 



Entyloma australe, 64 

 Physalis neterophylla 



Entyloma australe, 64 



Physalis lanceolata 



Entyloma australe, 64 

 Physalis lanceolata laevigata, see P. longifolia 



Physalis longifolia 



Entyloma australe, 64 

 Physalis philadelphica 



Entyloma australe, 64 

 Physalis pubescens 



Entyloma australe, 64 

 Physalis virginiana 



Entyloma australe, 64 

 Physalis sp. 



Entyloma australe, 64 



Poa annua 



Ustilago striaeformis, 18 



Poa Buckleyana 



Ustilago hypodytes, 5 



Poa deb ills 



Ustilago striaeformis, 18 

 Poa megastaehya, see Eragrostis major 



Poa pratensis 



Entyloma irregulare, 60 



