Sorbus microcarpa, 80. 
Sorbus occidentalis, 82. 
Sorbus pumila, 82. 
Sorbus riparia, 80. 
Sorbus sambucifolia, 81. 
Sorbus Sitchensis, 81. 
Soulard Crab, 72. 
Spanish Wild Cherry, 54. 
Spheeria Collinsii, 126. 
Spheeria morbosa, 12. 
Sphinx drupiferarum, 11. 
Spireea Californica, 59. 
Sucker City Plum, 24. 
Summer Haw, 113, 114. 
Taphrina deformans, 12. 
‘Taphrina deformans, var. Wiesneri, 12. 
Taphrina Pruni, 12. 
Thorn, Cockspur, 91. 
INDEX. 
Thorn, Neweastle, 91. 
Thorn, Washington, 107. 
Thorn, White, 95. 
Tollon, 123. 
Torminalis, 67. 
Torminaria, 67. 
Toyon, 123. 
Transparent Plum, 26. 
Trichocarpus, 7. 
Tubopadus, 7. 
Uredinez on Pyrus, 70. 
Varach seeds, 4. 
Vauquelinia, 57. 
Vauquelinia Californica, 59. 
Vauquelinia corymbosa, 57. 
Vauquelinia corymbosa, 59. 
Vauquelinia Karwinskyi, 57. - 
41” 
Vauquelinia Torreyi, 59. 
Vauquelin, Louis Nicolas, 57. 
Washington Thorn, 107. 
Wayland Plum, 24. 
Weaver Plum, 16. 
White Beam-tree, 69. 
White Thorn, 95. 
Wild Ash, 80. 
Wild Black Cherry, 45. 
Wild Cherry, 37, 41. 
Wild Goose Plum; 24. 
Wild Orange, 49. 
Wild Plum, 19, 23, 31. 
Wild Red Cherry, 35. 
Yellow Haw, 113. 
Zwetschenwasser, 10, 
