6 PRIMULACE. 
PRIMULACES. 
Leaves all radical: nodding flowers on a naked scape in a bracteate umbel....... ee00 2 
Leaves radical or crowded on tufted stems, cuneate-spatulate, 5-7-toothed at apex.... 2 
Leaves in a whorl at top of stem, bracts below: corolla rotate, rose to white.......-.. 3 
Leaves all or mostly opposite: flowers axillary. . 
Flowers small, yellowish, in close clusters; corolla rotate.....-.-seeesc-aseere & 
apetalous, solitary, purplish or white.........0.sseeereceeceee & 
solitary: corolla rotate on slender pedicel,..........+ imteeeeas, OC 
Leaves all or mostly alternate: flowers solitary, minute......... sGitinirvaweeee Ae af 
flowers in paniculate racemes, very small............. 8 
1. DODECATHEON, Linnezus. 
* Short filamenta united to form with the closely connivent anthers a dark colored beak sur- 
mounting the short corolla tube. 
Capsule obtuse, splitting at or from the apex into valves. 
Leaves from narrowly to broadly spatulate: capsule oblong or longer..........- 1 
Leaves obovate or oval, short, base cuneate: capsule globular.............. we B 
Capsule cylindraceous; apex not splitting, but coming off asa lid............ eibibiete iets 3 
* * Short distinct filaments included in the corolla throat, only the anthers exserted: leaves 
oval or ovate to oblong, not tapering at base.......-+-+0+- wigiapSie-a te iabe ecaru seis aie acata eis 4 
D. Jeffreyi, Moore. Often very large: capsule exceeding calyx. 
D. ellipticum, Nutt. Leaves 4 to 2 inches long: calyx minutely glandular. 
D. Hendersoni, Gr. Like the last except the thin-walled exserted capsule. 
D. frigidum, C. &S. var. dentatum, Leaves commonly repand or dentate. 
Sor 
2. PRIMULA, Linnzus. 
1. P. suffrutescens, Gr. Scape 2 to 4 inches long: umbel of several red-purple 
flowers. 
3. TRIENTALIS, Linnens. 
1, T. Europea, L. Flowers on slender pedicels among the leaves. Our plants ares 
Var. latifolia, Torr., with leaves mostly acute, 4 to 4 inches long, and 
Var. arctica, Ledeb., with obtuse or retuse leaves an inch long or less, 
4. LYSIMACHIA, Tournefort. 
). I. thyrsiflora, L. Leaves lanceolate: small teeth between corolla lobes. 
5. GLAUX, Tournefort. 
1. G@ maritima, L. Succulent, pale green, 3 or 4 inches high, leafy. 
