Normalized [α/M] counts from APOGEE in two different distance bins to the Galactic centre (the distances are indicated in each plot). The different curves correspond to different z intervals above the Galactic plane. Red represents stars above 1 kpc, orange those between 1 and 0.5 kpc, green stars between 0.5 and 0.25 kpc, and blue stars at 0.25 kpc relative to the Galactic mid-plane. At no height above the Galactic plane are the star counts dominated by stars with [α/M] between 0.08 and 0.18 dex.