TORNEA. 143 



nonö of the stalks of the umbel can be 

 seen, but the flowers form a complete ball, 

 like the Double Guelder-rose [Samhucus 

 Opu/us, jiore plena,) or the Globe Thistle 

 {Echinops Splictroceplialus). The petals are 

 lanceolate and spreading. Stem striated, 

 or slightly furrowed. 



8. Cicuta aquatica of Wepfer (C. virosa 

 above mentioned). I am disposed to refer 

 this plant to CEnanthe, on account of its 

 external aspect, which is wonderfully like 

 the last-mentioned genus. I must examine 

 whether their flowers agree. The footstalks 

 are hollow, inflated, and erect. Piniue three, 

 rarely four, pair, of a narrow lanceolate 

 shape. Those on the stem have from three 

 to seven serratures each, but the radical 

 ones have more, all distinct ; and some- 

 times the lowermost serrature, at the lower 

 edge, grows out into a sort of spurious 

 pinniila. The top of the stem bears from one 

 to three umbels ; the general umbel being 

 naked, or rarely fiu'nished with a solitary 



