ILLUSTRATIONS 



GYMNOSPERMAE 



Frontispiece; PL I (facing p. 12), PL II (facing p. 20); Figs. 2-73. 



MEGASPORES 



Cupressaceae: Frontispiece; Figs. 36- Pinaceae: Figs. 44 (p. 2(S), 52 (p. 32), 

 41 (pp. 23-25). 63 d (p. 40). 



Podocarpaceae: Fig. 19 (p. 14). 



POLLEN GRAINS 



Araucariaceae: Figs. 5 (p. 8), 7 (p. 9). 

 Cephalotaxaceae: PL I (Fig. 2); Fig. 



14 (p. 12). 

 Cupressaceae: Figs. 4 (p. <S), 11 (p. 10), 



29 (p. 18), 42 (p. 26), 49 (p. 30), 54 



(p. 34), 71 (p. 43). 

 Cycadaceae: Figs. 10 (p. 10), 17 (p. 



13), 18 (p. 13), 28 (p. 18), 31 B 



(p. 20), 46 (p. 29), 67 (p. 42). 

 Ephedraceae: PL II; Figs. 30 A, B 



(p. 19), 31 A (p. 20). 

 Ginkgoaceae: Fig. 32 (p. 21). 



Gnetaceae: Figs. 34, 35 (p. 22). 

 Pinaceae: Figs. 2 (p. 6), 12, 13 (p. 11), 



43 (p. 27), 45 (p. 28), 53 (p. 33), 



55-58 (pp. 34-36), 62 (p. 39), 63 



a-c (p. 40), 73 (p. 44). 

 Taxaceae: Figs. 6 (p. 8), 9 (p. 9), 50 



(p. 31), 70 (p. 42). 

 Taxodiaceae: Figs. 8 (p. 9), 15 (p. 12), 



16 (p. 12), 33 (p. 21), 47 (p. 29), 



65, 66 (p. 41), 68, 69 (p. 42), 72 



(p. 43). 

 Welwitschiaceae: Fig. 30 C (p. 19). 



