The chords are straightforward except for a G-sharp diminished in the transition.

   Am    G          F    Am          G          C               F
She was in the flowery garden when first she caught my eye
       Am      G             F    Am      G             C            G
And I just a marching soldier she smiled as I passed by
       Dm             Em          F                           C            Dm       G    G#o
The flowers she held were fresh and fair, her lips were full and red
       Am G                F       Am      G                     F          C
And as I passed that shady bower, these words to me she said
C                     Am       F       C             Dm         G   G#o
"Last night we spoke of love, now we're forced to part
       Am             G             F             Am
You leave to the sound of a marching drum
             G7          F         C
and the beat of a lovers heart


The G#o or G sharp diminished chord can be played in standard tuning as shown below:

E    A   D    G   B   E

4   x    x    4   3   x

The three notes shown are G#, B and D.


Amos