374 ALLAX HAXCOCK PACIFIC EXPEDITIONS VOL. 12 



PLATE 29 



Fig. 1. Sargassuin Licbmannii. Major portion of a plant, the 

 axes to tiie right certainly fertile, hut the rithers showing 

 more favorahl\- the very obtuse irregularly dentate 

 leaves. Mexico, x 1.1. 



