Berry: Remarkable Fossil Fungi 
79 
Explanation of Plates CLXXX-CLXXXII 
Plate CLXXX 
Figs. 1-3. Peronosporoides palmi Berry. Showing mycelia, antheridia, 
and oogonia in tissues of Pahnoxylon cellulosum Knowlton from the lower 
Oligocene of Bayou Pierre, Mississippi. Fig. i, X 50; figs. 2 and 3, X 200. 
Plate CLXXXI 
Figs. 1-8. Cladosporites oligocaenicum Berry. Showing mycelia, zygo- 
sporangia, and conidia in the tissues of Palmoxylon cellullosum Knowlton 
from the lower Oligocene of Bayou Pierre, Mississippi. X 400. 
Figs. 9— II. Peronosporoides palmi Berry. 
Fig. 9. Mycelium with oogonium. X 400. 
Fig. 10. Antheridium and oogonium. X 400. 
Fig. II. Oogonium with oospores and traces of collapsed antheridium. 
X 400. 
Plate CLXXXII 
Figs. 1, 2. Cladosporites fasciculatns Berry. Showing mycelia and conidia. 
in vessels of Laurinoxylon from Middle Eocene of Westmorland Bluff, Trin- 
ity River, Texas. X 400 
