222 PRIMEOSE FAMILT. 



70. PLUMBAGINACE^, LEADWORT FAMILY. 



Known by the flowers with parts five throughout, viz. o-lobed 

 plaited calyx, 5 stamens opposite as many petals or lobes of the 

 corolla and almost separate from them, 5 styles or 5 stigmas, and 

 the free ovary 1-celled, containing a single ovule hanging on a 

 slender stalk which rises from its base ; the fruit a small utricle. 



§ 1. Low hardy herbs, with leaves all from the root, and flowers on scapes, having 

 a funnel-shaped scarious calyx, nearly oi' quite separate petals tapering at base, 

 and 5 almost or quite separate styles. 



1. ARMERIA. Tufted plants with evergreen very narrow and entire leaves, 



simple scapes bearing a head of rose-colored flowers, and styles plumose- 

 hairv towards the base. 



2. STATlCE. Broadish-leaved herbs, with scapes branching into a panicle, 



bearing 3-bracted flowers or clusters : styles smooth. 



§ 2. Plants of warm regions, with branching mostly woody stems bearing alternate 

 entire leaves, and bracted spikes vf handsome flowers, having a tubular calyx 

 and corolla, ana one style bearing 5 stigmas. 



3. PLUMBAGO. Calyx 5-toothed at the apex, glandular along the 6 ribs or 



angles. Corolla salver-form, with long tube. 



1. ARMERIA, THRIFT. (Old Celtic name latinized.) Fl. summer. % 

 A. vulgaris (also called A. MAEfTiMA), Common Thrift, wild on shores 



of Europe, &c., cult, in gardens for edgings, &c., with short spreading leaves 

 and scape 3' - 6' high. 



2. STATICE. (Ancient Greek, meaning astringent, the roots used as such 

 in popular medicine.) A few species of the Old World are cult, in choice 

 gardens, but not commonly. ^ 



S. Ijimdnium, Sea-Lavender or Marsh-Rosemart. Along the coast 

 in salt-marshes : with oblong or spatulato thick and pale leaves on slender 

 petioles, scapes 1° -2° high, bearing lavender-colored flowers all summer. 



3. PLUMBAGO, LEADWORT (which the Latin name denotes). The 

 following are cult, in conservatories, or turned out to flower all summer. 



P. Cap6nsis, Cape L., with somewhat climbing angled stems, oblong 

 spatulate leaves, and large pale or lead-blue corolla, the tube IJ' long. 



P. eoccinea. Red-flowered L., of the East Indies, is more tender, with 

 deep red flowers. 



P. Zeyl&niea, White-flowered L., of the East Indies, with smaller 

 white flowers. 



71. PRIMULACE.ffl, PRIMROSE FAMILY. 



Herbs with regular perfect flowers, the stamens borne on the 

 corolla, and as many as its divisions and opposite them, one style 

 and stigma, and many or sometimes few ovules on a free central pla- 

 centa of the one-celled ovary, in fruit a pod. 



§ 1. With leaves all from the root and simple, the flowers on a scape, 

 * From a flbrous-rooted crown or root-stock. 



1. PRIMULA. Calyx 5-toothed or 5-oleft, often angled. Corolla salvei^shaped 



or funnel-shaped with 5 spreading lobes ; the stamens included in its tube. 

 Pod opening by valves or teeth at the top. Flowers in an umbel, which is 

 sessile in one species, but usually raised on a scape. 



2. DODECATHEON. Calyx 5-parted, reflexed. Corolla 5-parted; the divisions 



lanceolate, strongly reflexed. Stamens conniving in a long slender cone, the 

 linear anthers very much longer than the short partly monadelphous fila- 

 ments. Pod splitting into 5 valves. Flowers in an umbel. 



