a. and sb. Bot. [ad. mod.L. līliālis, f. līlium LILY.] a. adj. Only in Lilial alliance: In Lindley’s classification, the ‘alliance’ or group of orders which includes the Liliaceæ. b. sb. A member of this alliance.

1

1846.  Lindley, Veg. Kingd., 195. [Endogens.] Alliance XVI. Liliales.—The Lilial Alliance…. Natural Orders of Lilials.

2

1854.  A. Adams, etc., Man. Nat. Hist., 501, II. Order—Lilials (Liliales).

3