us old timers know all about it...it ranks as one of the most salubrious of culinary vegetables, being antibilious, cooling, deobstruent, and slightly aperient; but although it is deservedly esteemed as an esculent, it is nevertheless decidedly inferior to Scorzonera in properties, nor does it keep so well when taken out of the ground, as it soon becomes hardened, insipid, and difficult to cook properly.