Plate 64.—Fig. 1, young flower head; Fig. 2, section through involucre; Fig. 3, flower head just before opening; Fig. 4, surface view of flower head; Fig. 5, corolla of ray-florets; Fig. 6, disc floret; Fig. 7, leaf; all variously enlarged.
F.P.S.A., 1922.
K.A. Lansdell del.