Dry

Hyoscyamus

Tongue rattles in the mouth, dry like burnt leather.

Muriatic Acid

Dry like leather in typhoid fever.

Camphor

Dry tongue in typhoid fever with suppressed urination.

Phosphorus

and

Merc. Sol

Dryness of tongue in dysentery. Try in the given order.

Nux Mosch

Dry at night as if it would fall into powder. Tongue sticks to the roof of the mouth.

Belladonna

Rattles in mouth like a chip.

Bryonia

Dryness of tongue with thirst.

Pulsatilla

Dryness of tongue without thirst.

Secale Cor

Tongue dry, cracked; blood-like ink exudes, coated thick. Tingling of tip of tongue which is stiff.