202 COLONSAY 



CELLULAR CRYPTOGAMS 



CHARACE<E (the Stonewort order) 



Aquatic perennials with long, slender branching stems, 

 often encrusted with carbonate of lime (hence the name) ; 

 some species, when handled, emit a vile smell. Fish, 

 especially Carp, are said to thrive best in waters where the 

 different species of Chara abound. 



Chara, L. 



C, fragilis, Desv. Cloinih uisge. Common in the lochs 

 and in stagnant peaty water. Said to have the same effect 

 on insects as Keating's powder and to have been similarly 

 used. It has a strong, fetid smell. 



C. fragilis, d. barbata, Gant. Peat-bog pools. Garvard. 

 May. 



C. aspera, Willd. Deep water, west Loch Fada. July. 



C. contaria, Kuetz. Kiloran farm, reservoir. 



(7. vulgaris, L. Fetid Water Horsetail ; Common Stone- 

 wort. Machrins shore pools. Confirmed by Rev. G. R. 

 Bullock Webster. 



Tolypella, Leonh. 



T. glomerata, Leonh. Shore pools, Machrins. August. 

 Confirmed by Rev. G. R. Bullock Webster. 



Nitella, Agardh. 



N. translucens, Agardh. Loch Sgoltaire. August. 

 N. opaca, Agardh. West Loch Fada. July. 



