A small gray appearing, slightly alpha-hemolytic colony rese…

A small gray appearing, slightly alpha-hemolytic colony resembling a Streptococcus on a blood agar plate is isolated from a culture of cellulitis from the hand of a butcher. The direct smear showed many WBC’s and short gram-positive rods. The isolate was catalase negative and produced a small amount of H2S along the stab line in TSIA. In soft gelatin it yielded a “bottle brush” pattern when grown at 22˚C. The organism may be identified as: