(Bot.) Of or pertaining to the vexillum, or upper petal of papilionaceous flowers.
Vexillary aestivation (Bot.), a mode of aestivation in which one large upper petal folds over, and covers, the other smaller petals, as in most papilionaceous plants.
... crude woodcut is given in his "History of Whitby." The inscription appears to be ILVIVILVX, and Young read it as LE. VI. VI. L. VEX, or in full LEGIONIS SEXTAE VICTRICIS QUINQUAGINTA VEXILLARII, meaning, "Fifty vexillary soldiers of the sixth legion, the Victorious." This rendering of the abbreviations may be inaccurate, and some of the letters before and after those visible when the stone was discovered may have been obliterated, but Dr Young thought that the inscription was probably ... — The Evolution Of An English Town • Gordon Home
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