PLATE I. 
Smithsonian Report, 1907.—-Scott. 
LYGINODENDRON OLDHAMIUM. TRANSVERSE SECTION OF STEM, SHOWING PITH, 
PRIMARY XYLEM-GROUPS, SECONDARY XYLEM, PHLOEM, PERICYCLE, AND CORTEX. 
ABOUT 2:2. 
The leat-trace bundles are seen outside the wood. 
LAGENOSTOMA LOMAXI, THE SEED OF LYGINODENDRON OLDHAMIUM, IN 
LONGITUDINAL SECTION, INCLOSED IN THE LOOSE CUPULE, BEARING 
CaAPITATE GLANDS. X ABOUT 15. 
