Fig. 9 – 10: Spikelet length in relation with the length of the side shoots of the inflorescence (x: spikelet length (mm); y: length of the side shoots (cm)). 9: O. hirtellus subsp. hirtellus, O. h. subsp. fasciculatus, O. compositus var. compositus. – 10: O. aemulus  var. aemulus , O. compositus var. compositus, O. c. var. rariflorus.