Fig. 24. Station XXXI, habitat 1. View looking southeast from 
Frenchman Island. Dunham Island in the distance. The 
shore is lined with Decodon and Cephalanthus. The plant 
societies in the water include Dianthera, Carex, Sagittaria, 
Pontederia, Scirpus smithii and S. americanus, Castalia, and 
Nymohea. 
Fig. 25. Station XXXI, habitat 2, Frenchman Island. Habitat 1, A 
and B zones are shown in the foreground. The. Typha 
association is largely developed to the right. Habitat 1, 
zones © and D, are clearly defined on the left, zone D, 
almost pure Dianthera, being especially clear. 
