Table 4.

Rates of pollinaria removal and pollinia insertion

	Mean no. of removals per flower	Mean no. of insertions per flower	Ratio of I: R	Sample size (no. of flowers)
Xysmalobium gerrardii	1·3	0·13	0·10	23
Xysmalobium involucratum	1·8	0·00	0·00	35
Miraglossum pilosum	1·2	0·20	0·17	20
Miraglossum verticillare	1·2	0·94	0·80	35
Sisyranthus trichostomus	2·3	0·45	0·20	11
Pachycarpus natalensis	0·5	0·03	0·06	32
Asclepias woodii	3·5	0·03	0·01	35
Aspidonepsis diploglossa	3·3	0·20	0·06	25
Asclepias cucullata	1·0	0·05	0·05	19