Moonglow (PI 617549).-Originated in Beltsville, Maryland, by U.S. Dept. of Agriculture. Introduced in 1960. US-Michigan 437 x Roi Charles de Wurtemburg; tested as US 353. Fruit: large; attractive; flesh rather soft, moderately juicy, nearly free of grit cells, flavor mild, subacid, rated good; for processing as well as being of good quality for fresh use; ripens at Beltsville in mid-August, about 7 days earlier than Bartlett; ripens for prime eating and processing in 10 days when held at 70F. Tree: very upright; vigorous; heavily spurred; fruits heavily at an early age; appears to be very resistant to fire blight; flowers contain abundant pollen. Recommended for trail in areas where fire blight is a major problem.