PLATE 37 



ACHLYA FLAGELLATA 



Fig. I. Habit, showing androgynous antheridia. X 41. 



Fig. 2. Angular oogonium. X 447. 



Fig. 3. Antheridial branches on tip of hypha curling back to oogonia. X 167. 



Pig. 4. Laterally elongated oogonium with blunt papilla and ingrowth from below. X 

 250. 



Fig. 5. Oogonia with diclinous antheridia. X 167. 



Fig. 6. Empty sporangia, sporangium with sprouting spores, gemmae, and abortive oogo- 

 nium. X 108. 



Fig. 7. Gnarled gemmae. X 60. 



Fig. 8. Laterally elongated oogonium with an ingrowth from below. X 250. 



Fig. 9. Habit, showing diclinous antheridia. X 60. 



Fig. 10. Part of a dictiosporangium. X 720. 



Fig. II. Oogonium with ripe eggs. X 447- 



Fig. 12. Sporangium emptied in corn meal agar. X 41- 



