Bisexual A gat his Cone — Lanner 
383 
flower-clusters. Garden and Forest 8(380): 
222-223. 
Littlefield, E. W. 1931. Bisporangiate in- 
florescences in Pseudotsuga. Ohio J. Sci. 
31(5) :4l6-4l7. 
Merge N, F. 1963. Sex transformation in pine 
hybrids. Forest Sci. 9(3) : 258— 262, 2 figs. 
and Lola E. Koerting. 1957. Initia- 
tion and development of flower primordia in 
slash pine. Forest Sci. 3(2) : 145—1 54, 3 figs. 
Pauley, Scott. 1942. A bisexual cone of white 
spruce. J. Forestry 40(1) :62— 63, 1 fig. 
Santamour, F. S., Jr. 1959. Bisexual conelets 
in spruce. Morris Arb. Bull. 10(1):10-11. 
