columbium (kolumbium)

[NL., IMG:content-0835.png:[graphic][subsumed][merged small] sists of thick circular disks, an inch or two in diameter and depre ed in the middle, cut from the root, the taste of columbo which is persistently bitter and slightly aromatic. It is much used in medicine as a mild tonic. A false col umbo root is furnished by Coscinium fenestra tum, a menispermaceous plant of Ceylon. Also written calumba, colomba, cotumba. - American columbo, the root of Fraser a Wal teri or Carol in ens is, a gentianaceous plant of the Atlantic States, having the mild tonic properties of gentian.