Calli ofMacrotyloma uniflorum(Lam.)Verdc.) Co.1 and Bgm.1 were established from expiants of epicotyl, hypocotyl, cotyledon, and young leaf on MS medium supplemented with auxins and cytokinins (2, 4-D, IAA, NAA, BAP, KN, and CM). When they were cultured subsequently on various combinations and different concentrations, BAP and 2,4-D were found to yield green compact callus in all expiants. Yellow friable calli were obtained on MS medium supplemented with auxins (2,4-D or NAA or IAA). Browning of callus was observed at a higher concentration of (2.5 mg1#x2212;1) auxins after 25 days.
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