Sage:  wisdom ...

Salvia:  forever yours ...

Shamrock:  luck ... symbol of Ireland ...

Snapdragon:  desire ...  deception ... gracious lady ... total indifference ... dangerous ...

Sorrel:  maternal love ...  

Spearmint:  sentamental ...

Spider Flower:  elope with me ...

Spruce:   farewell ...

Statice:  rememrance ...

Stephanotis:  wedding ... 

Stock:  lasting beauty ... bonds of affection ... promptness ... you'll always be beautiful to me ...

Strawberry:  You are delicious ...

Sunflower:  pure thoughts ... cheerfulness ... pride ... loyalty ...

Sweet Pea:  delicate pleasures ...  goodbye ... departure ... blissful pleasure ... thank you for a lovely time ... farewell ...

Sweet William:  gallantry ... childhood dreams ...