According to F. Rabak2), the leaves of the North American tree Magnolia glauca, L. (Magnoliaceae) contain 0,05 p. c. of a light yellow, ethereal oil: d25o0,9240; [a]D + 3,96°; nD28o1,4992; A.V. 1,8; E. V. 13; E. V. after acetylation 28; forms a turbid solution with 31/2 vol. of 90 p.c. alcohol, insoluble in 80 p.c. alcohol.