PLATE 27 

 Protoachlya paradoxa 



Fig. I. Subspherical oogonium with typical antheridia. X 281. 



Fig. 2. Oogonia with androgynous and diclinous antheridia, and gemmae. X iS 



Fig. 3. Sporangia with spores sprouting in position. X 281. 



Fig. 4. A dictiosporangium. X 503. 



Fig. 5. Oogonia with diclinous antheridia. X 188. 



Fig. 6. An oogonium with an androgynous antheridium. X 281. 



Fig. 7. Oogonia with androgynous and diclinous antheridia. X 188. 



Fig. 8. An oogonium with antheridia arising from three different hyphae. X 278. 



Fig. 9. An oogonium showing antheridial tube clearly, and two ripe eggs. X 503. 



Fig. 10. -An unusual shape of oogonium. X 281. 



