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Eucratea. Articulated. A solitary and a curved 
cell at each articulation. 
GENERA. 
FIRST CLASS.— FIRST ORDER. 
iEtea. Stem rampant, and branching. Cells so- 
litary, and club-formed. Opening at the side. 
GENERA 
BELONGING TO THE SECOND ORDER OF THE FIRST CLASS. 
Pasithea. Articulated. Cells in threes, or in fours, 
at each articulation. 
Amathia. Cells long and cylindrical; either all 
touching, or separating in many groups of various 
sizes. 
Nemertesia. Garnished with minute branches, or 
rather polypiferous hairs, bent towards the stem, and 
verticillated. 
Aglaophenia. Little branches, pinnated. Cells on 
one side ; axillary or isolated. 
Cor. 
E 
