Viii CONTENTS. 



Tag* 



Brazilian palm wax . '. . . . 249 



Andes palm wax . . . . . ,. .251 



Croton tallow ....... 252 



Piney tree . . . . . .*..". 254 



CHAPTER XV. 

 Alkalis. 



Alkali . . . ., . ...... . 257 



Soda . . . ' . . . . ' ..... 258 



Barilla ...... . . .261 



Kelp ... ...... 265 



CHAPTER XVI. 



Alkalis, continued. 



Potash and pearlash . , \ , . . . 270 

 American potash . . . ' f . * . - . 273 

 Other alkaline plants . . , . . . 277 



CHAPTER XVII. 



Acids. 



Tartar . 283 



Cream of tartar 

 Tartu ric acid . 

 Oxalic. 



Pyr'oligneous and Acetic . 

 Citric . . . ' I 

 Garlic . . 300 



284 

 285 

 287 

 290 

 292 



CHAPTER XVIII. 



Vegetable dyeing substances used in the arts. ^ -,.-., 



Dyeing substances . t ., *-.>>. 302 



Indigo . . . ! * 1' . ' ' KV ' 3 08 



Indigoferacoerulea . . . . . 329 



Nerium indigo r s " * 330 



Woad , t 333 



CHAPTER XIX, 



Substances which afford a violet dye. 

 Logwood ...... t . 338 



Other plants , . ,*. .347 



