PLATE 7. 



(Left to right) : (a) C. flava; (b) C. lepidocarpa subsp. lepidocarpa; (c) C. lepidocarpa subsp. scotica; 

 (d) C. demfssa; (e) C. serotina; (f ) C. scandinavica. 



PLATE 8. 



Male and female spikes of (left to right) : (a) C. flava; (b) C. lepidocarpa subsp. lepidocarpa; (c) C. lepidocarpa 

 subsp. scotica; {d) C. demissa; (e) C. serotina; (i) C. scandinavica. 



