Bui. 1C74. '^, 
Cert, c^ Ar'-:.l:.re. 
Plate XXIII, 
Dawson A 
GOLDCOIN B 
Spikes, face and side views, natural size: flumes from lower, central, and upper portions of spike, 
natural size: kernels in three positions and in transverse section, magnified 3 diameters. 
