Figure 17. 1-4. Fossil Gymnostoma sp. 1. TLM view of stomatal rows. Note brachyparacytic stomatal complexes oriented perpendicular to the long axis of the article (SL2427, scale-bar = 50 µm); 2. SEM view of outer cuticular surface showing stomatal complexes (S-1058, scale-bar = 20 µm); 3. SEM view of inner cuticular surface showing stomatal complexes (S-1058, scale-bar = 20 µm); 4. SEM view of article showing node with whorl of reduced leaves (arrowed) (S-1023, scale-bar = 200 µm).