390 ALLAN HAXCOCK PACIFIC EXPEDITIONS VOL. 12 



PLATE 37 



Fis. 1- Plcrocladia Oknmurai f. dinsa. A clump of moderate 

 size showing densely crowded upper branching, but the 

 lower axes and \()ung shoots are relatively loose. Ecua- 

 dor. X LO. 



Fig. 2. Cracilaria hrevis. A'cystocarpic plant to show the char- 

 acter of the branching. Ecuador, x 1.4. 



