As far as I know Raices is the only Restaurant in Granada totally dedicated to Vegetarian food.
Others have some meat.

There is a link to all places here:
http://granadamap.com/places/vegetarian_restaurants_in_granada.htm


Raices
Pablo Picasso 30 (over the genil bridge)
Phone number: +34-958-120103
Type of Food:  Ovo, Lacto, Vegan-friendly

Wide variety of dishes. English menu available. Open 9pm for dinner, closed Monday.
http://granadamap.com/raices/

Another place good for vegeatarians is Fresc Co

Fresc Co
Gran Via de Colon, 28 (18010)
Phone number: 958-293902
Eat as much as you like.
Type of Food:  Ovo, Lacto, Vegan-friendly, Italian, Buffet,  Not totally Vegetarian
Serves. Pasta, lots of different salads, pizza with several vegetarian options.

Website
http://granadamap.com/fresco/index.htm


There is also a Vegan/vegatarian take-away called Piano which is very good.
Piano
http://granadamap.com/piano/