342 WEATHERWAX: THE EVOLUTION OF MAIZE 
25. Weatherwax, P. Morphology of the flowers of Zea Mays. Bull. 
Torrey Club 43: 127-144. pl. 5, 6. +f. 1-4. 1916. 
The development of the spikelets of Zea Mays. Bull. Tor- 
rey Club 44: 483-496. pl. 23 +f. 1-33. 10917. 
27. Wolfe, T.K. Fasciation in maize kernels. Am. Nat. 50: 306-309. 
f. I-33 1916. 
28. Worsdell, W. C. The principles of plant teratology. 2. London. 
1916. 
26. 
