286 PLUMBAGINACEAE. 



394. LYSIMACHIA. LOOSESTRIFE. 



Leafy-stemmed perennial herbs; leaves mostly opposite or 

 whorled, usually glandular-dotted; flowers yellow, in racemes or 

 solitary-axillary; calyx 5-6-parted; corolla rotate, the lobes en- 

 tire, bearing no teeth between the lobes; stamens slightly united 

 at base, often unequal; capsule few to several-seeded. 



Flowers in a raceme; corolla with dark dots. L. terrestris. 



Flowers solitary, axillary; corolla not dotted. L. nummularia. 



Lysimachia terrestris (L.) BSP. Glabrous; stems erect, 30-80 cm. high, 

 sometimes bulbiferous in the leaf-axils; leaves lanceolate, acute at each end, 

 mostly opposite, the upper reduced to linear or subulate floral bracts; flowers 

 racemose, on slender pedicels; corolla yellow with dark dots, the lobes oblong- 

 lanceolate. 



In cranberry bogs, Willapa Harbor, Washington, Cora B. Eaton. Doubt- 

 less introduced with cranberry plants from the eastern states. 



Lysimachia nummularia L. Moneywort. Stems creeping, 10-30 cm. Jong; 

 herbage glabrous; leaves numerous, orbicular, short petioled; flowers solitary, 

 axillary; calyx-lobes ovate-lanceolate; corolla 2-3 cm. broad, not dotted, the 

 lobes ovate, obtuse; filaments broadened and slightly united at base. 



Portland, Oregon, Gorman. Introduced from Europe. 



395. NAUMBURGIA. 



Erect perennial leafy herbs with slender rootstocks; leaves 

 opposite, sessile, punctate; flowers in axillary spikes; calyx 5-7- 

 divided, the segments linear; corolla deeply 5-7-parted, the tube 

 very short and the segments narrow, with or without a small 

 tooth in each sinus; stamens 5-7, distinct, equal; capsule 5-7- 

 valved, few-seeded. 



Naumburgia thyrsiflora (L.) Duby. Glabrous or nearly so; stems simple, 

 20-60 cm. high, erect, from creeping rootstocks; leaves lanceolate, sessile, 

 3-5 cm. long, the lower ones reduced and scale-like; peduncles axillary from 

 the 1-4 middle pairs of leaves; flowers small, in a dense oblong spike, pale 

 yellow; calyx-lobes linear-lanceolate, acute; capsule glandular-dotted. 



In swamps, rare in our limits. 



Family 77. PLUMBAGINACEAE. LEADWORT FAMILY. 

 Herbs with regular flowers; calyx gamosepalous, of 5 plaited 

 lobes; corolla of 5 nearly distinct or united petals; stamens 5, 

 opposite the corolla-lobes, hypogynous or adnate to their bases; 

 anthers 2-celled; styles 5, distinct or united; ovary superior, 

 1-celled, with one ovule on a slender stalk rising from the base 

 of the cavity; fruit a 1-seeded utricle. 



396. STATICE. 



Stemless densely tufted perennial herbs; leaves narrow, linear 

 broad and petioled, persistent; flowers rose-colored, in a head 



