101 



ARCHIDIUM:— 



Fig. 195. Arcliidilun (illernifoliiim; part of spore surface (x 1000). 



ATHALAMIA: 





Fig, 196. Athalamia nana; spore (x 1000) and sclerine stratification ( x 2000). 



BLASIA: 



Fig. 197. Blasia pusilla; part of spore, surface and optical section (x 1000). 



BLINDIA: see Fig. 203 B, p. 103. 



