cronartium

Century Dictionary and Cyclopedia

1. n. A genus of parasitic fungi of the order Uredinales. The æcidia grow on conifers and have been called Peridermium. The uredospores and teleutospores occur on leaves of Ribes, Asclepias, Quercus, etc. The teleutospores are one-celled and arranged in slender cylindrical brown masses. C. Asclepiadeum has æcidia on the trunk or branches of Pinus sylvestris and teleutospores on Cynanchum Vincetoxicum, in Europe.

GNU Webster's 1913

1. n. A genus of rust fungi having aecia produced in raised or swollen sori and teliospores borne in waxy columns.

WordNet 3.0

1. n. rust fungi having aecia produced in raised or swollen sori and teliospores borne in waxy columns