| − | Primula acaulis, Hill (P. vulgaris, Huds. P. veris var. acaulis, Linn.). Primrose. Lvs. many, tufted, somewhat wrinkled, membranaceous, oblong or obovate- oblong, apex obtuse, gradually rarely evenlv narrowed to the petiole which is shorter than the blade, sometimes sessile, more or less pilose or glabrescent, crenulate; the petiole more or less winged: scape none; pedicels 2 1/2 - 4 in. long, more or less equaling the lvs., soft-pubescent, as is the calyx: fls. pale yellow, or rarely purple or blue, becoming greenish in dry ing; calyx ovate- tubular, 5-ribbed with narrow-lanceolate, acuminate lobes; corolla-tube cylindrical, the limb flat, 1 - 1 1/2 in. across, with obcordate emarginate lobes, the throat slightly contracted and bearing a circle of scale-like folds: caps, ovate, included in the calyx. Eu., widely distributed and well known. B.M. 229. Var. rubra, Sibth.& Smith. P.Sibthorpii, Hoffmg.), has rose-colored or purple fls. E. Medit. region. A. anisiaca, Stapf, is a hybrid of P. acaulis and P. elatior. P. Croussei, Hort., is probably a garden form of P. acaulis or one of the hybrid derivatives. For pictures of various forms of P. acaulis or vulgaris, see Gn. 7, pp. 319, 345; 11, p. 127; 12:496; 29, p. 385; 54:142, and pp. 142, 143. A.F. 13:1102. Gng. 6:245. R.H. 1880: 90; 1898:12. In cult., the primrose runs into many forms and colors, some of them double-fld. More or less caulescent forms (var. caulescent, Hort.) are probably hybrids.
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