hoar-frosted

The _Erba Bianca_ is a plant like southernwood, presenting a curious hoar-frosted appearance as its leaves are stirred by the wind.

Blackwood's Edinburgh Magazine — Volume 56, No. 345, July, 1844 Various

The cold was intense: below the bench where Pierre's homestead lay, there rose from the twisted, rapid river, a cloud of steam, above which the hoar-frosted tops of cottonwood trees were perfectly distinct, trunk, branch, and twig, against a sky the color of iris petals.

The Branding Iron Katharine Newlin Burt 1929

And more than once, when "the island" in the middle of the pond was a very fairyland of hoar-frosted twigs and snow-plumed larches, I have seen its white loveliness rudely shaken, and skating round to discover the cause, have beheld Jem, with cheeks redder than his scarlet comforter, return an

We and the World, Part I A Book for Boys Juliana Horatia Gatty Ewing 1863

And quick-frozen by a hoar-frosted blizzard we are, here in Oklahoma.

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