New Grower Cracking unidentified seeds... how can one tell if its an auto?

[Groff]

I got a pack of Surprise Mix Seeds by DP, so I decided to crack a few a grow them... question is, how can I tell if its an auto or a reg?

 

[Groff]

I thought it might be that... was just hoping something earlier might point to it... grow room management :cough: - starting my first auto grow ... thanks mate! :smokebuds: