716 



FLORA. 



broad; pedicels 4-12 mm. long; sepals lanceolate, acute or acuminate; corolla deeply 

 parted ; filaments monadelphous to about the middle, glandular ; capsule about 3 

 mm. in diameter, shorter than the sepals. In fields and along roadsides, Me. to 

 N. Y. and Penn. Nat. from Europe. June-Aug. 



2. Lysimachia punctata L. SPOTTED LOOSESTRIFE. (I. F. f. 2812.) Re- 

 sembles the preceding, but sometimes glabrate. Leaves oval or ovate-lanceolate, 

 short-petioled, 2-8 cm. long, usually proportionately shorter and broader than those 

 of L. vulgaris; flowers crowded in the upper axils, or racemose-verticillate, yellow, 

 1.5-2 cm. broad; pedicels 6-20 mm. long; sepals lanceolate or oblong- lanceolate; 

 filaments monadelphous at the base. In waste places, N. S. to N. J. Adventive 

 from Europe. June-July. 



3. Lysimachia quadrifblia L. CROSSWORT. WHORLED LOOSESTRIFE. (I. 

 F. f. 2813.) Stem slender, 3-9 dm. high. Leaves short-petioled or sessile, lanceo- 

 late, oblong or ovate, acute or acuminate, 2-10 cm. long, usually black-punctate; 

 flowers axillary, 6-12 mm. broad, borne on filiform spreading peduncles; sepals 

 narrowly lanceolate, acute or acuminate ; corolla glabrous, dark-streaked or spotted; 

 filaments monadelphous below; capsule nearly as long as the sepals. In thickets, 

 N. B. to Minn., Ga. and Wis. June-Aug. 



4. Lysimachia terrestris (L.) B.S.P. BULB-BEARING LOOSESTRIFE. (I. F. 

 f. 2814.) Glabrous; stem 2-6 dm. high, often bearing after flowering long bulb- 

 lets in the axils. Leaves opposite or some of them rarely alternate, lanceolate or 

 oblong-lanceolate, acute or acuminate at both ends, short-petioled, or sessile, usually 

 black-punctate, 2-8 cm. long; flowers 6-10 mm. broad, in terminal bracted racemes ; 

 pedicels 1-2 cm. long; sepals ovate to lanceolate, acute; corolla rotate, deeply 

 parted, yellow with purple streaks or dots; filaments monadelphous below, gland- 

 ular; capsule about 3 mm. in diameter, nearly as long as sepals. In swamps and 

 moist thickets, Newf., Manitoba, Ga. and Ark. July-Sept. 



5. Lysimachia prpducta (A. Gray) Fernald. Intermediate between L. quadri- 

 folia and L. terrestris, the leaves sometimes opposite, sometimes verticillate, 

 pale green or glaucous and inconspicuously veined beneath ; bracts of the usually 

 loosely flowered raceme large. Me. to N. Y., Mass, and Mich. [L. polyantha 

 Fernald.] 



6. Lysimachia Nummularia L. MONEYWORT. CREEPING LOOSESTRIFE. 

 (I. F. f. 2815.) Glabrous; stems creeping, sometimes 6 dm. long. Leaves oppo- 

 site, orbicular or broadly oval, obtuse, sometimes cordate, petioled, 1-2.5 cm - 

 long, sparingly black -punctate; flowers solitary in the axils, 1.5-2.5 cm. broad; 

 sepals cordate-ovate to lanceolate, acute, half as long as the rotate, deeply 5-lobed, 

 yellow and dark-dotted corolla; filaments glandular, monadelphous at the base; 

 capsule shorter than the sepals. In moist places, Newf. to N. J., Penn. and Ind. 

 Nat. from Europe. June-Aug. 



6. STEIRONEMA Raf. 



Perennial herbs, with opposite or verticillate entire leaves, and axillary slender- 

 peduncled yellow flowers. Calyx 5 -parted, persistent, the segments valvate in the 

 bud. Corolla rotate, deeply 5 -parted, with no proper tube, the lobes cuspidate or 

 erose-denticulate, each involute or convolute around its stamen. Stamens 5 ; fila- 

 ments distinct, or united into a ring at the base, granulose-glandular; anthers 

 linear, becoming curved; staminodia 5, subulate. Ovary globose. Capsule 

 5-valved. Seeds margined or angled. [Greek, sterile threads, from the abortive 

 stamens.] About five species, natives of N. Am. 



Leaves membranous, pinnately veined. 

 Leaves ovate to lanceolate. 



Stem erect; flowers 12-25 mm - broad. 



Petioles strongly ciliate ; capsule longer than the calyx. 



1. S. ciliatum. 

 Petioles not ciliate, or slightly so at base; capsule not longer than the calyx. 



2. S. tonsum. 

 Stem reclined; flowers 6-8 mm. broad ; leaves not ciliate ; petioles naked. 



3. S. radicans. 

 Leaves lanceolate, oblong or linear; stem erect. 4. S. lanceolatum. 



Leaves firm, linear, i-nerved, the lateral veins obscure. 5. S. quadriflorum* 



