C. nigro-fuscus pilis albis aspersus capite thoraceque punctatis linea media glabra divisis, scutello cinereo, elytris rugosis lineis quatuor subelevatis, corpore subtus pedibusque cinereo-sericeis.

R. glabra laciniata (Fern Sumach) is a distinct and handsome variety, with finely cut elegant leaves, and a dwarf and compact habit of growth.