Leghorn

As usual, she was extraordinarily festooned and bedizened, with a limp Leghorn hat anchored to her head by many windings of faded gauze, and a little black velvet parasol on a carved ivory handle absurdly balanced over her much larger hatbrim.

We had our landlord's company at supper, and had learned from him that the most eminent of American financiers, who shall not otherwise be identified here, was in the habit, when coming to Leghorn, of letting him know that he was bringing a party of friends, and commanding of him a banquet such as he alone knew how to furnish a millionaire of that princely quality.

Leghorn was the nearest port of consequence, […] the most likely of any in Italy to assist their plan. (III, ix)

Among the light breeds there are probably more good strains of White Leghorn than any other variety. The Brown Leghorn is not quite so popular but is capable of high yields …. The Black Leghorn is another breed which has enjoyed popularity.

When straw-hats had become unfashionable, Mrs. Nollekens hinted to old White, the hatter […], that possibly he could accommodate her with a Leghorn hat at a moderate rate.

The difference between the two classifications has always been intended to cover unblocked and untrimmed hat bodies, such as panamas, bangkoks, and leghorns, and other hats which are woven by the natives in South American and oriental countries where they are produced.