| + | Rudbeckia hirta, Linn. Black-eyed Susan. Yellow daisy. Biennial or annual, 1-3 ft. high, simple or branched, hispid: lvs. 2-5 in. long: rays golden yellow, sometimes orange at base. Dry and open ground; common over wide range and often rather a troublesome weed. B.B. 3:416. Gn. 49:154.—R. conspicua, Hort., is probably only a garden form with long narrow orange-yellow ray-florets and a black disk. Var. vomerensis, Hort., differs from the type in having larger fl.-heads with broad ray-fls. which are light canary to golden yellow. |