124 

 TIMMIA: 



B m 



s** ■ 



Fig. 252. A, Timmia austriaca; spore in lateral view (x 1000); LO-patterns. 

 B, T. anomala; exine stratification ( x 2000). 



ULOTA (Fig. 253 B), STROEMIA (Fig. 253 A):— 



a 



B 



- 7 



Fig. 253. A, Stroemia gyninostoma; a, spore in lateral view ( x 250); b, distal 



face (X 1000); c, proVimal face (x 1000); d, tetrad (x 250); e, outline of 



apertures. B, Ulota bruchii; surface and optical section (x 1000). 



VOITIA: see Fig. 248 A, p. 122. 



