Summer Rambo Large to very large; skin thick, smooth, attractive, clear bright yellow or greenish tinged with carmine striping; flesh yellowish green, firm, tender, very juicy, medium acid, aromatic; a distinctive "sauce" apple. N.W. Greening Large to very large; skin smooth, entirely green, turning to yellow with advanced ripeness; flesh greenish white, very firm, juicy, acid; generally used in the premature stage for "green apple" pies and other dishes calling for tartness and shape-retaining firmness.