356 FRESH-WATER ALGiE. [CJilorosjiermecs, 



DEAPAENALDIA, JBoij. 



Gen. Char. Pilaments free, not immersed in gelatinous fluid. 

 — IlassaU. It is affectionately dedicated by M. Bory to his 

 departed friend M. Draparnaud, a distinguished Trench na- 

 turalist. 



1. Draparnaldia glomerata, A()ardh. 



Hab. Ill slow streams and ditches, adhering to stones, 

 sticks, S:c. Xot common in Scotland ; more common in 

 England and Ireland. I have got it in several places in 

 Avrshire. 



Stem round, branched; ramuli in tufts, which are fre- 

 quently alternate, and always ciliated ; tufts divergent. 



The first time I ever saw it was at Lochranza, in the 

 island of Arran, in a little limpid pool in a stream from 

 the mountain. I found great difficulty in catching it ; it 

 was so lubricous that it slipped through my hands like an 

 eel, and so fragile that when caught it broke by its own 

 weight. When first removed from the water, it is like a 

 mass of coloured jelly without form or organization; but 

 when placed again in water to be spread on paper, it un- 

 folds itself very beautifully. 



The Draparnaldia are universal favourites, the colour 



