172 FOUNDATIONS OF BOTANY 
leafless except for an involucre of small bracts at the summit, 
with a large umbel of showy, nodding flowers. Calyx deeply 
5-cleft, with reflexed, lanceolate divisions. Tube of the 
corolla very short, the divisions of the 5-parted limb strongly 
reflexed. Filaments short, somewhat united at the base; 
anthers long, acute, and combining to form a conspicuous cone. 
1. D. meadia, L. Snootine Star, INDIAN CureEF. Corolla 
varying from rose-color to white. In rich woods in most of the 
Middle and Southern States. Often cultivated. 
Il. PRIMULA, L. 
Low, perennial herbs, with much-veined root-leaves; scapes, 
each bearing an umbel of flowers, which are often showy. 
Calyx tubular, decidedly angled, 5-cleft. Corolla more or less 
salver-shaped, with the tube widened above the insertion of 
the stamens ; the 5 lobes of the limb often notched or cleft. 
Stamens 5, not protruding outside the corolla-tube. Capsule 
ege- shaped, splitting at the top into 5 valves, each of which 
may divide in halves. 
1. P. grandiflora, Lam. TrRur Primrose. Leaves spatulate or 
obovate-oblong. Flowers rising on separate slender pedicels from 
the leaf-axils. Corolla originally pale yellow, but varying to white, 
red, and many intermediate shades, with a broad, flat limb. Culti- 
vated from Europe. 
2. P. sinensis, Sabine. CHINESE Primrose. A rather coarse, 
downy plant. Leaves round-heart-shaped, more or less lobed and 
cut, long-petioled. Flowers large, in umbels, usually rose-color or 
white. Calyx large, inflated and conical. Cultivated as a house 
plant. ‘ 
Ill. TRIENTALIS, L. 
Low, smooth, perennial herbs, with slender, erect, un- 
branched stems. Leaves lanceolate, ovate, or oblong, mostly 
in a whorl at the summit of the stem. Flowers one or few, 
terminal, on slender peduncles, small, white or pink. Sepals 
narrow and spreading. Corolla wheel-shaped, with usually 
7 taper-pointed segments. Ovary globose; style thread-like. 
Capsule globose, many-seeded. 
