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Presents information on a study which assessed floral trade-offs by imposing two generations of selection on flower size and number in a greenhouse population of bee-pollinated Eichhornia paniculata. Methodology of the study; Results and discussion on the study.

Examines a study which looks at the Pinguicula vulgaris and its sexual reproduction, growth and vegetative reproduction in Alberta, Canada. Information on the resource allocation in relation to the gemmae production; Analysis of plant size and site; Effect of plant size on resource investment patterns; Comparison of sexual reproduction and gemmae production; Information pertaining to the occurrence of trade-offs.