PLATE 41 



ACHLYA CAROLINIAXA 



Fig. I. Oogonia with papillae. X 503. 



Fig. 2. Young oogonia and sporangia. X 188. 



Fig. 3. Gemma and three sporangia which were gemmae. X 122. 



Fig. 4. Habit of oogonia. X 18S. 



Fig. 5. Sporangium with spores clustered at tip. X 251. 



Fig. 6. Oogonium with an ingrowth from below. X 503. 



Fig. 7. Two odd-shaped intercalarj- oogonia containing ripe eggs. X 503. 



Fig. 8. Empty sporangia, gemmae and young oogonia. X 188. 



Fig. 9. Sporangium partly filled with spores and odd-shaped oogonia. X li 



