Proteoteras #sculana, 53. 
Ptelea monophylla, 7. 
Pulvinaria innumerabilis, 81. 
Purple Haw, 25. 
Pursh, Frederick, 39. 
Putzeysia, 51. 
Putzeysia rosea, 52. 
Quercus Esculus, 54. 
Red Iron-wood, 21. 
Red Maple, 107. 
Reynosia, 19. 
Reynosia latifolia, 21. 
Reynoso, Alvaro, 19. 
RHAMNACE#, 19. 
Rhamnidium, 27. 
Rhamnidium ferreum, 29. 
Rhamnidium revolutum, 21. 
Rhamnus, 31. 
Rhamnus alnifolia, 37. 
Rhamnus Californica, 37, 39. 
Rhamnus Californica, var. rubra, 37. 
Rhamnus Californica, var. tomentella, 39. 
Rhamnus Caroliniana, 35. 
Rhamuus cathartica, 32. 
Rhamnus chlorophora, 32. 
Rhamnus colubrina, 47. 
Rhamnus crocea, 33. 
Rhamnus crocea, 34. 
Rhamnus crocea, var. insularis, 34. 
Rhamnus crocea, var. pilosa, 33. 
Rhamnus Davuriea, 32. 
Rhamnus elliptica, 49. 
Rhamnus ferrea, 29. 
Rhamuus Frangula, 32, 36. 
Rhamnus ilicifolia, 33. 
Rhamnus infectoria, 32. 
INDEX. 
Rhamnus insularis, 34. 
Rhamnus levigatus, 21. 
Rhamnus laurifolia, 37. 
Rhamnus oleifolia, 37. 
Rhamnus Purshiana, 37. 
Rhamnus Purshiana, var. tomentella, 39. 
Rhamnus rubra, 37, 38. 
Rhamuus tinctoria, 32. 
Rhamnus tomentella, 39. 
Rhamnus utilis, 32. 
Rhytisma acerinum, 81. 
Rhytisma punctatum, 81. 
Rock Maple, 97. 
SAPINDACE#, 51. 
Sapindus, 67. 
Sapindus acuminatus, 71. 
Sapindus Drummondi, 71. 
Sapindus falcatus, 71. 
Sapindus lucidus, 75. 
Sapindus Manatensis, 71. 
Sapindus marginatus, 71. 
Sapindus Mukorossi, 68. 
Sapindus Saponaria, 69. 
Sapindus Saponaria, 71. 
Sapindus Saponaria, detersive properties 
of, 68. 
Sapindus trifoliatus, 68. 
Sarcomphalus, 31. 
Sarcomphalus Carolinianus, 35. 
Scarlet Maple, 107. 
Schaeffer, Jakob Christian, 15. 
Schefferia, 15. 
Schefferia buxifolia, 17. 
Schefferia completa, 17. 
Schefferia cuneata, 15. 
Schefferia frutescens, 17. 
Sciadophila, 31. 
117 
Scutia ferrea, 21, 29. 
Septoria acerina, 81. 
Shittim-wood, 38. 
Silver Maple, 103. 
Soapberry, 69, 71. 
Soft Maple, 103. 
Spanish Buckeye, 65. 
Spheropsis minima, 81. 
Sphyrapicus varius, 109. 
Spindle-tree, 10, 12. 
Steganoptycha claypoleana, 53. 
Striped Maple, 85. 
Sugar Maple, 97. 
Sweet Buckeye, 59. 
Titi, 7. 
Uncinula Aceris, 81. 
Uncinula circinata, 81. 
Uncinula flexuosa, 54. 
Ungnadia, 63. 
Ungnadia heptaphylia, 65. 
Ungnadia heterophylla, 65. 
Ungnadia speciosa, 65. 
Vine Maple, 93. 
Vyenomus, 9. 
Wahoo, 11, 38. 
Waltheria Carolinensis, 7. 
White Iron-wood, 77. 
Wild China Tree, 71. 
Yellow-wood, 17. 
Zeuzera pyrina, 54. 
Zizyphus Domingensis, 49. 
Zizyphus emarginatus, 29. 
