Fig. 7–8.  Spikelet length in relation to leaf length (x: spikelet length (mm); leaf length (cm)). Fig. 7:  O. hirtellus subsp. fasciculatus, O. h. subsp. undulatifolius, O. h. subsp. setarius. – 8: O aemulus  var. aemulus , O. compositus var. rariflorus, O. hirtellus subsp. setarius.