THE TRUE LIGNUM-VITAE OF COMMERCE
_General Considerations_ 21
_Present Sources of Supply_ 22
_Future Sources of Supply_ 26
_Value of Lignum-vitae Imports from 1900 to 1919_ 28
_Uses of Lignum-vitae_ 28
_Resin of Guaiacum: Its Properties and Uses_ 35
SUBSTITUTES FOR TRUE LIGNUM-VITAE
_Woods of the Lignum-vitae Family_ 38
_Woods of Other Families_ 39
SUMMARY AND CONCLUSIONS 44
REFERENCES 45
PLATES 49
LIGNUM-VITAE
A STUDY OF THE WOODS OF THE ZYGOPHYLLACEAE
WITH REFERENCE TO THE TRUE LIGNUM-VITAE
OF COMMERCE--ITS SOURCES, PROPERTIES,
USES, AND SUBSTITUTES
BY SAMUEL J. RECORD
_Professor of Forest Products, Yale University_