Confused about the difference between the effects of plant size on (1) industrial relations and on (2) the expression of cleistogamy in Mimulus nasutus? These two studies might help you sort it all out:
The influence of Plant Size on Industrial Relations, Sherrill Cleland [pictured here], Princeton University, 1955.
“The Effect of Plant Size on the Expression of Cleistogamy in Mimulus nasutus,” A. Diaz and M. R. Macnair, Functional Ecology, vol. 12, no. 1, 1998, pp. 92-98.