112 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 26 



PLATE 3 



Fig. 1. Platythamnion villosum Kylin. Mid-portion of an axis, X 195 (after 

 Smith) . 



Fig. 2-3. Antithamnion dendroideum Sm. & Holl. Fig. 2, Upper part of a 

 sterile plant, X 110; Fig. 3, An entire plant, X 5 (after Smith & 

 Hollenberg). 



