The house is full of “sickness and strain,” which Coral escapes by walking through the “dark craw” of the nearby sap green Forest.
sap green (10 or 12 gr., rubbed up with a teaspoonful of hot water) is also used for the same purpose.
A kind of a sap green, I think—but it must be something uncommon.
When coloured with saffron, or sap green, it closely resembles the Irish usquebaugh.
The foreign is uniformly adulterated with chalk or starch, and coloured with sap green.