CONTENTS 



Page 



Chlorazol Azurine, a non-fading simple double stain suit- 

 able for class work . . . . . . . . ..251 



Chlorazol Black, a general-purpose stain . . . . 252 



Chlorazol Paper Brown, B, a general-purpose stain . . 253 

 Cotton Blue - Safranin, for fungal hyphae in woody 



irXOoLX^o •• •• •• •• •• •• •• ^ 1^" 



Cyanin - Erythrosin, for cellulose and lignified tissues . . 255 



Delafield Haematoxylin - Cellosolve, a general-pur- 

 pose stain . . . . . . . . . . . . . . 255 



Erythrosin - Lactophenol, a general-purpose stain . . 256 



Gram's Iodine, a general-purpose stain . . . . 256 



Haematoxylin (Heidenhain) - Aniline Blue (J. G. 

 Vaughan's technique), for differential staining of nuclei, 

 cytoplasm and cell walls of angiosperm shoot apices . . 257 



Haematoxylin - Bismark Brown, for phloem tissues of 



woody plants . . . . . . . . . . . . 259 



Heidenhain Haematoxylin - Safranin, a general-purpose 

 stain useful for the demonstration of histological and 

 cytological structures, as well as for algae, fungi, etc. . . 260 



Iodine Green - Acid Fuchsin, for lignified tissues and for 



chromosomes . . . . . . . . . . . . 261 



Johansen's Quadruple Stain, a general stain, excep- 

 tionally good for sections of lichens . . . . . . 262 



Johansen's Quintuple Stain, a general-purpose stain, 



particularly useful for leaves, roots, stems and ovaries 264 



Lacmoid - Tannic Acid - Ferric Chloride, for phloem and 



contigous tissues . . . . . . . . . . . . 266 



Lacmoid - Martius Yellow for callose in pollen tubes . . 268 



LiGNiN Pink, a non-fading stain, specific for lignin . . . . 269 



Magdala Red - Fast Green, for the differential staining of 



host tissues and parasites . . . . . . . . 269 



Methyl Green - Phloxin - Glycerin Jelly, for the 

 simultaneous double staining and mounting of pollen 

 grains, differentiating functional from abortive grains 270 



Periodic Acid - Feulgen Fuchsin (Hotchkiss) for poly- 

 saccharide structures . . . . . . . . . . 183 



Phloroglucinol for lignin, particularly suitable for hydro- 

 phytes . . . . . . . . . . . . . . 271 



xix 



