Genus 5. 



PRIMROSE FAMILY. 



Flowers in terminal panicles ; corolla-lobes glabrous. 

 Flowers axillary ; corolla-lobes glandular-ciliolate. 

 Corolla rotate, 4"-S" broad, its lobes dark-streaked. 

 Leaves opposite, or some of them rarely alternate. 

 Flowers in a terminal virgate raceme ; stem erect. 

 Flowers axillary, solitary ; stem creeping. 



I. Lysimachia vulgaris L. Golden or Yellow 

 Loosestrife or Willowherb. Fig. 3287. 



Lysimachia vulgaris h. Sp. PI. 146. 1753. 



Densely downy-pubescent ; stem erect, branched, 2- 

 3* high. Leaves verticillate in 3's or 4's, or some of 

 thein opposite, short-petioled, ovate-lanceolate or ovate, 

 acute or acuminate at the apex, mostly narrowed at the 

 base, 2'-4' long, i'-ii' wide; flowers 6"-io" broad, in 

 terminal leafy panicles or compound corymbs; pedicels 

 2"-6" long; sepals lanceolate or triangular-lanceolate, 

 acute or acuminate ; corolla yellow, rotate-campanulate, 

 deeply parted, the segments glabrous; filaments mona- 

 delphous to about the middle, glandular; capsule about 

 1 2" in diameter, shorter than the sepals. 



In fields and along roadsides. Maine to Ontario, southern 

 Xew York and Pennsylvania. Naturalized from Europe. 

 Xative also of .^sia. Willow-wort. Yellow rocket. June-Aug. 



1. L. vulgaris. 



2. L. punctata, 



3. L. quadrifolia. 



4. L. terrestris. 



5. L. N iimmularia. 



2. Lysimachia punctata L. Spotted 

 Loosestrife. Fig. 3288. 



Lysimachia punctata L. Sd. PI. 147. 1753. 



Resembles the preceding species, usually 

 densely pubescent, sometimes glabrate; stem 

 simple or branched, 2-3 high. Leaves verti- 

 cillate in 3's or 4's or some of them opposite, 

 oval or ovate-lanceolate, acute or obtuse at the 

 apex, rounded or narrowed at the base,' short- 

 petioled, I '-3' long, i'-ij' wide, usually pro- 

 portionately shorter and broader than those of 

 L. vulgaris ; flowers crowded in the upper axils 

 or racemose-verticillate, yellow, 8"-io" broad ; 

 pedicels 3"-io" long; sepals lanceolate or 

 oblong-lanceolate, acute or obtusish; corolla- 

 segments glandular-ciliolate; filaments mona- 

 delphous at the base. 



Waste places. Nova Scotia to New Jersey and 

 Pennsylvania. Adventive from Europe. June-July. 



3. Lysimachia quadrifolia L. Cross-wort. 

 Whorled Loosestrife. Fig. 3289. 



Lysimachia quadrifolia L. Sp. PI. 147. i753- 



Pubescent, or glabrate, stem simple or rarely 

 branched, slender, erect, i-3 high. Leaves 

 verticillate in 3's-7's (commonly in 4's or 5's), 

 or some, or very rarely all of them opposite, 

 short-petioled or sessile, lanceolate, oblong or 

 ovate, acute or acuminate at the apex, 1-4' long. 

 3"-ii' wide, usually black-punctate, the upper- 

 most sometimes very small ; flowers axillary. 

 3"-6" broad, borne on filiform spreading peduncles 

 i'-ii' long; sepals narrowly lanceolate, acute or 

 acuminate; corolla glabrous, dark-streaked or 

 spotted; filaments monadelphous below; capsule 

 nearly as long as the sepals. 



In thickets. New Brunsw^ick to Ontario, Minnesota, 

 Tennessee. Georgia and Wisconsin. Five sisters. Yel- 

 low balm. Liberty-tea. June-Aug. 



