PLATE 39 



ACHLYA IMPERFECTA 



Fig. I. Empty sporangia with gemmae. X II.3- 



Fig. 2. Spores of various sizes. X 503. 



Fig. 3. Spore with cilia. X 503. 



Fig. 4. Spore mass which emerged from sporangiimi without breaking up into spores. 



(In maltose and peptone solution.) X 278. 

 Fig. 5. Oogoniimi in empty sporangium, only case observed. X 278. 

 Fig. 6. Various forms of hyphal tips. X 188. 

 Fig. 7. Oogonium with very small, abnormal eggs. In this culture the eggs often went to 



pieces. X 278. 

 Fig. 8. Part of a dictiosporangium. X 503. 



Fig. 9. Oogonium in which eggs went to pieces. Sporangia beneath. X 278. 

 Fig. 10. Oogonia and antheridia of the xl. americana type. X 47. 



