Sifakis - Compendium of the Confederate Armies - South Carolina & Georgia, pg 159

10 GA Cav Reg, State Guards organized for 6 months in late 1863 - musteredf out 2/4/1864
First Commander: John J. Floyd, Col
Field Officers: J. N. Glenn, Lt Col
J. C. Wootten, Maj

Roster of Confederate Soldiers, 1861-1865, shows:

Flowers, John Y. GA 10th Cav. (St.Guards) Co.A
Flowers, John Y. GA 38th Inf. Co.A Maj.

And

Flowers, Andrew J. GA 10th Cav. (St.Guards) Co.G