Definition of "unshrubbed"

Hail, many-colour’d messenger, that ne'erDost disobey the wife of Jupiter;Who with thy saffron wings upon my flowersDiffusest honey-drops, refreshing showers,And with each end of thy blue bow dost crownMy bosky acres and my unshrubb’d down,Rich scarf to my proud earth;

1610–1611 (date written), William Shakespeare, “The Tempest”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act IV, scene i]

From the spot he’s left her in, a blank, unshrubbed bit of service-yard where the earth is worn bald, she can see printed in black cut-out and lamp-glow, her own house.

1977, Hortense Calisher, “In a Fiery Glade”, in On Keeping Women‎, New York: Arbor House, pages 153–154