379 



Euphorbiae 119. 

 fallens 103. 

 graminicola 104. 

 Uromyces Halstedii 105. 

 Hedysari-paniculati 106. 

 houstoniatus 107. 

 Howei 108. 



Hyperici-frondosi 109. 

 Junci-effusi 110, 123. 

 Lespedezae-procumbenti.'^ 111. 

 Medicaginis 112. 

 Oenotherae 115. 

 Panic! 104. 

 pedatatus 113. 

 Peltandrae 100. 



Host 

 Abies balsamea 16, 17, 18. 



lasiocarpa 16. 



pectinata 16. 

 Adoxa moschatellina 74. 

 Agrimonia hirsuta 12. 

 Agropyron repens 34, 79. 

 Agi-ostis alba 79. 



hyemalis 64. 



perrenans 64. 

 Aletris farinosa 35. 

 Althaea rosea 69. 

 Allium cepa 40. 

 Ambrosia trifida 96. 

 Ambrosiaceae 96, 127. 

 Amelanchiei' Amelanchier 20, 27. 



canadensis 20, 21, 22, 26, 27. 



erecta 21, 22, 26. 



intermedia 20, 21, 22, 26, 27. 



vulgaris 26. 

 Ammiaceae 53, 70, 78, 121. 



perigynius 114, 120, 126. 

 Phaseoli 99. 

 Uromyces plumbarius 115. 

 Polemonii 116. 

 Polygoni 117. 

 Pontederiae 118. 

 proeminens 119. 

 Rhyncosporae 120. 

 Scirpi 121. 

 seditiosus 122. 

 Silphii 110, 123. 

 Solidagini-Caricis 114. 

 Spermacoces 124. 

 Toxicodendri 32. 

 Trifolii 103. 



Index. 

 Amygdalaceae 98. 

 Amygdalus communis 98. 



Persica 98. 

 Anchusa officinalis 41. 

 Andropogon furcatus 83. 



glomeratus 113. 



scoparius 37, 57, 83. 



virginicus 37, 57, 113. 

 Anemone coronaria 98. 



quinquefolia 33, 98. 



ranunculoides 98. 



virginiana 36. 

 Anthoxanthum odoratum 39. 

 Apocynaceae 125. 

 Apocynum cannabinum 125. 



pubescens 125. 



Sibiricum 125. 

 Araceae 100. 

 Arenaria lateriflora 116. 

 Arisaema dracontium 100. 



