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Figure 1


Fig. 1. Images of genetically identical colonies of P. carnea growing on 18 mm diameter glass coverslips. Polyps are bright and circular; stolons are darker and web-like. (A) An untreated control colony exhibits a more runner-like morphology. (B) A colony treated with 100 µmol l–1 vitamin C exhibits a more sheet-like morphology (see Blackstone et al., 2005).