Callichroa
(from kallos, beauty, and chroa, colour; referring to the bright yellow colour of the flowers). ORD. Compositae. This genus is now usually included under Layia. Hardy annual, of easy culture in common garden soil. Seeds may be sown in March, on a slight hotbed, and transplanted to the open border early in May; or if sown out of doors in April, it will flower in the autumn.
C. platyglossa (broad-tongued). fl.-heads yellow, solitary, pedunculate; ray florets large, cuneate. Autumn. l. alternate, sessile, ciliated. h. 1ft. California, 1836. SYN. Layia platyglossa. (B. M. 3719.)