130 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 26 



PLATE 12 



Fig. 1-3. Aglaothamnion cordatum (Borg.) Feldm.-Maz. Fig. 1, A spermatan- 

 gial branch, X 370; Fig. 2, Developing gonimoblast showing irregu- 

 lar cordate shape, X 190; Fig. 3, A tetrasporangial branch, X 115. 



Fig. 4-5. Aglaothamnion brodiaei (Harv.) Feldm.-Maz. Fig. 4, a branch 

 showing the unicellular hairs and young gonimoblasts, X 50; Fig. 5, 

 Gonimoblast, X 135. 



