Sentence:  Late on this same day the trail crossed a bare, rocky hillside, at one point passing between masses of stone ruins; something like a tower to the right, and on the left a sort of walled enclosure. I had lingered behind to gather a <WSD>nosegay</WSD> of the small blue flowers that marked the day's march. 
Meaning of the word marked with <WSD> tags:  A small bunch of fragrant flowers or herbs tied in a bundle, often presented as a gift; nosegays were originally intended to be put to the nose for the pleasant sensation or to mask unpleasant odours. (from 15th c.)