Comparison between the Burrows et al. (1993, 1997) (filled squares) and Baraffe et al. (1998) models (open triangles) in the (log II L, T_eff)‐plane. The Burrows et al. data are plotted for masses of 0.02, 0.03, 0.04, 0.05, 0.06, 0.07, 0.075, 0.08, 0.09, 0.1, 0.11, and 0.15 M_⊙; the Baraffe et al. data points are for masses of 0.035, 0.045, 0.05, 0.06, 0.070, 0.072, 0.075, 0.08, 0.09, 0.10, 0.13, 0.15, 0.175, 0.20 M_⊙ (0.1 Gyr); 0.06 M_⊙ et seq. for 1 Gyr; and 0.075 M_⊙ et seq. for 10 Gyr.