PLANT INDEX. 



Abies alba, 20. 



balsamea, '^o, fio. 



nigra, 20. 

 Acacia, 187. 



aceroides, Negundo, 157, 158, 193. 

 Acer ru brum, 179. 

 Aconite, 92. 

 Aconitum, 79. 

 alba, Abies, 20. 



Betula, 206. 

 Alder, 96, 97, 179. 

 Almond, 92, 103. 

 Alnus serrulata, 97, 101. 

 Ambrosia, 156. 

 Amelanehier, 137. 

 Americana, Castanea, 109. 



Larix, 16, 21. 



Ulmus, 198. 

 ampelinum, Sphaceloma, 185. 

 Angelica, 92. 

 Anthemis, 77. 

 Antbracnose, 185. 



Apple, 11, 15, 22, 38, 51, 83, 81, 9-t, 101-3, 104, 

 lU, 127, 139, 142(2), 146, 1.52, 158, 184, 186, 187, 

 188. 190, 197(2), 198, 200, 201, 203, 204(2). 205, 

 206(4), 208. 

 Apple-rust, 185. 

 Apple-scab, 185. 

 Apricot, 185, 186, 187. 

 Aquilegia, 79. 

 aquilina, Pteris, 52. 

 Arbor vitffi, 20, 21, 144, 201, 203(2). 

 Asclepias, 135. 

 Ash. 144, 157. 

 Ash-leaved maple, 158. 



Balm of Gilead, 102. 

 balsamea, Abies, 20, CO. 

 Balsam fir, 60. 

 balsamifera, Populus, 102. 

 Barley, 14, 29. 

 Bean, 179. 

 Beech, 38, 204. 

 Betula, 178. 

 Betula alba, 206. 

 bicolor, Quercus, 44. 

 Bidwellii, Physalospora, 185. 

 Birch, 27, 206. 

 Blackberry, 86, 199. 

 Black currant, 47. 



Black-knot, 185. 

 Black oak, 42. 

 Bl.ack-rot, 18.5. 

 Blueberry, 137. 

 Boneset, 92. 

 Box, 187. 



Box-elder, 1.57, 193. 

 Buckwheat, 16. 

 Burdock, 194. 

 Butternut, 108. 

 Button-wood, 107, 108. 



C. 



Cabbage, 14, 20i. 

 Cactus, 158. 

 CcBoma nitens, 185. 

 Calumba, 92. 

 Canadensis, Elymus, 32. 



Solidago, 142. 



Tsuga, 59. 

 Carrot, 204. 



Castanea Americana, 109. 

 Cayenne pepper, 91. 

 Cedar, 21, 144. 

 Centaurea, 63, 77. 

 cerasina, Septoria, 185. 

 Chamomile, 92. 



Cherry, 103, 105, 106, 142, 185, 186. 

 Chestnut, 109. 

 Chrysanthemum, 207. 



frutescens, 73. 



species, 77. 

 Cineraria, 75. 



Cladosporium fulvum, 185. 

 Clematis flammula, 201, 208. 

 Clover, 12, 81, 176, 200. 

 Columbine, 79. 

 Common brake, 52. 

 Compositae, 73, 76, 77. 

 Coniferas, 19. 

 Coriander, 92. 

 Corn, 14, 15, 80, 155, 176, 178, 198. 199, 201,206, 



207. 

 Corn-feverfew, 78. 

 Cotton, 84, 155, 168, 197, 207. 

 Cucumber, 103. 



Currant, 16, 17, 47, 189, 200. 205, 206. 

 Cypress, 187. 



D. 

 Daisy, 73, 207. 

 Dandelion, 92. 

 deformans, Exoascus, 185. 



