Pyxidanthera
(from pyxis, pyxidos, a box, and anthera, an anther; the anther opening as if by a lid). ORD. Diapensiaceae. A monotypic genus, closely allied to Diapensia. The species is a minute, prostrate, creeping herb or sub-shrub. It is a remarkably pretty little plant for the rock garden, and thrives best in very sandy soil, and in sunny situations.
P. barbulata (small-bearded).* Pine-barren Beauty. fl. white or rose, solitary, sessile, very numerous; corolla five-lobed, shortly campanulate, the lobes patent and obovate. Early summer. l. imbricate, narrow, oblanceolate, entire, bearded at the base, mostly alternate on the sterile branches. h. 2in. New Jersey, 1851. (B. M. 4592.) SYN. Diapensia barbulata.