THUJOPSIS:- 



43 



Fig. 7 1 . Thujopsis dolabrata; surface ( x 1000) and exine stratification ( x 2000). 



TORREYA: 



Fig. 72. a, Torreya cnlifornicn; optical section (x 1000) and exine strati- 

 fication (X 3000). b, T. nncifera; lateral view (surface and optical section; 



X 1000) and LO-patterns. 



TSUGA:— 



T. chinensis (Fig. 73 m, o), T. diversifolia (Fig 73 g, h), T. duiiwsa (Fig. 73 k), 

 T. forrestii (Fig. 73 a-f), T. pattoniana (Fig. 73 n), T. sieboldii (F'ig. 73 i, j), 



T. yiinnanensis (Hg. 73 1). 



4-565617 G. Erdtman 



