Re CD BE EEE OOO 
GRUENBERG AND GIES: NOTES ON “‘ BASTARD”? LOGWoOD 371 
CONCLUSIONS FROM THE GENERAL ANALYTIC DATA. — All of the 
preceding analytic results make it evident that the chemical differ- 
ences existing among these logwoods are quantitatively very slight. 
They also make it appear probable that the variations in the dif- 
ferent samples of the wood are chiefly variations in the chemical 
FIGURE 1, Seedlings of logwood, one year old. a, ‘‘red log wood.’’ b, 
ne — ‘echo estas Both grown from seeds obtained from “* Old Hope” plantation, 
Jam 
characteristics of the pigments themselves, which, as is well known, 
Possess as a rule high tinctorial qualities even when they occur in 
Only very small amounts. Our results in this connection would 
also indicate that there are no striking structural differences among 
these varieties of logwood. They suggest, likewise, that even 
