EUDENDRIUM. 107 
1. CorpyLopHora Lacustris, G. J. Allman*. 
Hab. Dock of the Grand Canal, Dublin, A//man. 
The dock is free from any admixture of sea-water, and 
the Professor kept it alive for a fortnight in fresh-water, not 
taken from the dock. It was found on the bottom of an 
old canal-boat. It is horny; branches cylindrical. Polypes 
at the end of the branches, ovoid, and prolonged into a 
conical projection with the mouth at the extremity; the 
body of the polype being covered with scattered, filiform 
tentacula. 
Famity TUBULARIADA. 
Character. Polypidom plant-like, horny, rooted by fibres, 
rarely free, simple or branched, tubular, filled with a semifluid 
organic pulp. Polypes naked, protruded from the ends of the 
tubes, and not retractile, fleshy and red, armed with one or two 
circles of smooth filiform tentacula. Bulbules pullulating from 
the bases of the tentacula, soft and naked. Embryo medusiform, 
—Johnston. | 
Genus V. EUDENDRIUM, Eihrenderg. 
Gen. Char. Polypidom rooted by. creeping fibres, erect and 
* The distinguished Professor of Botany, Trinity College, Dublin. 
