292 PRIMULACE^. 



Stem 2 — 3 feet high, square, sparingly branched. Leaves largo, not punctate. 

 Flowers large, yellow. Cdiate Loosestrife. 



5. L. hybrida Mich. : stem smooth ; leaves petioled, opposite, lanceolate, 

 acute at each end ; petioles ciliate ; peduncles axillary, mostly in pairs, 

 1-flowered ; flowers nodding ; corolla scarcely longer than the calyx. L. 

 heierophylla Nutt. 



Moist grounds. N. Y. to Car. July. %. — Resembles the preceding species, 

 but the leaves are narrower and never cordate at base, and the petioles are less 

 ciliate. • Hybrid Loosestrife. 



6. L. capitata Pursh : nearly smooth ; stem simple ; leaves opposite, ses- 

 sile, lanceolate, punctate ; peduncles axillary, elongated ; flowers in dense 

 roundish heads, 5 — 7-parted. L. thyrsifolia Mich. Naumbergia thyrsifolia 

 D.C. 



Swamps. N. S. N. to Arct. Amer. June. %. — Steml — 2 feet high. Leaves 

 villous beneath. Flovoers yellow, in roundish or ovate heads which are on ax- 

 illary,peduiicles. Capitate Loosestrife. 



7. ANAGALLIS. Zimw.— Pimpernel. 



(From the Greek avaycXacj, to laugh ; on account of its supposed exhilarating 

 virtues.) 



Calyx 5-parted. Corolla rotate, deeply 5-parted. Stamens 

 5 ; filaments hairy. Capsule globose, opening hemispherically, 

 many-seeded. 



A. arvensis Linn. : stem procumbent, branched ; leaves opposite, ovate, 

 sessile, dotted beneath, very entire ; margin of the corolla crenate and pi- 

 lose-glandular. 



Fields and road sides. N. Y. Mass. to Car. June— Oct. Q. — Stem 4 — 10 

 inchfes long. Flowers scarlet, sometimes with a purple centre, on solitary axil- 

 lary peduncles which are longer than the leaves. Scarlet Pimpernel. 



8. SAMOLUS. Linn.— Water Pimpernel. 

 (Supposed to have been named from the island of Samos.) 

 Calyx 5-cleft, the base adnate to the ovary. Corolla salver- 

 form, 5-parted, with 5 scales, (sterile filaments,) alternating with 

 the lobes ; tube short. Fertile stamens 5, inserted on the tube 

 of the corolla. Capsule half inferior, 1 -celled, many-seeded, 

 opening with 5 valves. ^ 



)S. Valerandi Linn.: stem erect; leaves obovate; racemes elongated, 

 loose, many-flowered ; pedicels with small bracts. 



Wet grounds. Can. to Car. July — Sept. %. — Stem 8 — 12 inches high, 

 smooth. Leaves obovate, subpetiolate, entire and somewhat fleshy. Flmoers 

 small, white. This plant is very generally distributed throughout the world. 



Common Water Pimpernel 



