PLATE 29 



ACHLYA HYPOGYNA 



Fig. I. Oogonium with apical papillae and single egg. X 50^- 



Fig. 2. Oogonium with papillae on side of wall. X 503. 



Fig. 3. Oogonium with a dictiosporangium attached to it. X 503- 



Fig. 4. Sporangium emptying, the spores with cilia. X 503. 



Fig. 5. Intercalary oogonium with single egg and many papillae. X 503. 



Fig. 6. Gemmae. X 278. 



Fig. 7. Sporangia. X 188. 



Fig. 8. A dictiosporangium. X 503. 



Fig. 9. Apical oogonium with basal antheridium and egg with no definite wall yet formed. 



X 503- 



Fig. 10. Smooth oogonium with egg as in 9. X 503. 

 Fig II. Oogonium with diclinous antheridium. X 503. 



