INDEX TO HOSTS 
Abies excelsa, 150. 
pectinata, 150. 
Acer, 130. 
rubrura, 82. 
Actinella acaulis, 123. 
iEsculus Californica, 83. 
Agrostis, 125. 
Ailantkus, 185. 
Alfalfa, 81. 
Allium, 44. 
Almond, 125. 
Alternauthera achyrantba, 36. 
Ampelopsis, 130,185. 
quiuquefolia, 186. 
tricuspidata, 186. 
Amsonia, 185. 
Amygdalese, 123,125. 
Andropogon annulatus, 118. 
argenteus, 31. 
muricatus, 37. 
provincialis, 31. 
saccliaroides, 83. 
Virginicus, 32 
Apple, 14,19, 81, 82, 85, 87,109,128,131,132,150, 165, 
167,171,186,188. 
Apple trees, 84. 
Apricot, 125,150. 
Arabis, 119. 
Aralia nudicaulis, 123, 124. 
Asprella Hystrix, 76. 
Avena elatior, 77. 
sativa, 134. 
Azalea, 19. * 
Bambusa, 37. 
Barberry, 112. 
Barley, 62, 69, 133, 154, 155. 
Basswood log, 181. 
Baubinia, 127. 
Bean, 44, 48, 82, 85, 135, 189. 
Beet, 82, 190. 
Begonia, 83. 
Berberis glauca, 112. 
repens, 112. 
Bigelovia, 122. 
Blackberry, 82, 106. 
Bouteloua racemosa, 83. 
Bread, 131. 
Brornus secalinus, 6, 61, 62, 116. 
unioloides, 83. 
Buckloe dactyloides, 77. 
Cabbage, 82,186. 
Capsicum annuurn, 186. 
Cardamine hirsuta, 186. 
laciniata, 186. 
Carnation, 82, 128. 
Carrot, 82. 
Carya, 35. 
Cassia. 83. 
Castilleia, 119. 
Cedar, 85, 86, 131. 
Cedrus libani, 150. 
Celery, 82, 131. 
Celtis occidentals, 76. 
Cereals, 132. 
Cbenopodium, 187. 
Cherry, 82, 84, 189, 190. 
Chinch bug, 86. 
Cirsium ocbrocentrum, 119. 
Cleome pungens, 34. 
Clover, 187. 
Cnicus arvensis, 130. 
Corn, 61, 80, 86, 158, 185. 
Cornus, 130. 
Cotoneaster, 84. 
Cotton, 85, 100, 128, 177, 190. 
Cranberry, 18, 43, 82, 187. 
Crataegus, 130. 
Crepis acuminata, 31. 
Cruciferae, 177. 
Cucumber, 82. 
Currant, 42, 82,86. 
Cydonia, 84. 
Daidalia unicolor, 185. 
Daucus carota, 36. 
Desmanthns, 83. 
Diatoms, 190. 
Diatrype stigma, 32. 
Diptera, 38. 
Earth, 188. 
Egg plant, 82,131,186. 
Elymus arenarius, 6. 
mollis, 126. 
Erigeron Canadense, 186. 
Euonymus atropurpureus, 130. 
Eurotia lanata, 119. 
Ficus, 127. 
Fir stumps, 182. 
Fish, 83, 84. 
Forage plants, 84. 
Forest trees, 84. 
Forficula auricularia, 38. 
Geranium, 33,114. 
Carolinianum, 186. 
Ginseng, 120. 
Gladiolus, 185. 
Gooseberry, 82, 85. 
Grain, 131. 
Grape, 11,12, 13, 81, 82, 83,85, 87, 89,99,109, 129,150, s 
164,166,168,189. 
Grass, 119. 
Ground, 179. 
Gutierrezia Euthamiae, 120,122. 
Gyrus Americana, 130. 
Hackberry, 83. 
Hedera, 123,124. 
Vahlii, 123. 
205 
