The date of this portrait is uncertain; it could date to the 1780s. Dr. James Greenway was an emigrant to Virginia and was a botanist. He married Martha Dixon.
Dimensions: 29 3/4 x 24 1/2 in. (75.57 x 62.23 cm.)
The subject wears a brown jacket and brown waistcoat with gold buttons, He is turned towards his left. To his left is a bookshelf filled with books and a microscope. His left hand rests on an upright book.