301 
the name of Coatli; one, ‘ Coatli (Serpienti de agua),’ he identifies 
with “ Viborguia polistachia, Ortega” (Viborgia polystachya), the 
other “ Coatli, 2°” with Eisenhardtia amorphoydes, H. B. ( Eysen- 
he says, Guibourt and others were mistaken in identifying the Coatli 
with the “ Madera nefritica” (Lignum nephriticum), which is the 
wood of Taray or Guilandina Moringa, that is our Moringa ptery- 
gosperma. He evidently did not know the history of Lignum 
ever, seen how the confusion actually did arise. Moreover, ‘Taray’ 
is given by Ramirez and Alcocer as a name used in several places 
for Kysenhardtia amorphoides, whilst Moringa does not occur at all 
“Palo dulce ” is the common Spanish term for Eysenhardtia, and it 
would be interesting to know whether the adjectives ‘amarillo’ and 
‘blanco’ refer to the colour of the flowers, corresponding to = 
yellow and the white variety, or to the darker heart wood and the 
whitish sapwood. 
nfusions.— We have seen 
hriticum mentioned the 
te . 
Infusion is made, and they insisted upon thi 
This. property surprised them the more a 
curious that they did not mention that the blue colour 0) 
infusion ibdaked: only under certain conditions of opera 
circumstance which must have added much to es — “ 
character of the phenomenon. ‘The first to give AY * “ a 
tion of the changes of colour observable in an m rd oe ign 
Nephriticum was Johannes Bauhin.* Probably towards 
ee 
* Bauhin, Joann., Hist. Plant. vol. i., p. 492. 
