902 PKIMULACEAE 



ovate or triangular-ovate, acute, about as long as the tube : corolla white, 3 mm. broad ; 

 lobes oblong, rounded or emarginate at the apex, longer than the tube : staminodia 5 : cap- 

 sules subglobose, 2.5-3 mm. in diameter. 



In wet soil and marshes, fresh, brackish and salt, Newfoundland to British Columbia, south to 

 Florida, Mexico and California. Spring and summer. 



2. Samolus cimeatns Small. Deep green, 1-3 dm. tall. Stems solitary or tufted, 

 ascending or reclining, usually branched : leaves opposite or mainly so ; blades obdeltoid- 

 spatulate or broadly spatulate, 4-12 cm. long, truncate or coarsely mucronulate at the apex, 

 the bases decurrent as broad wings : racemes 1-3 dm. long, their peduncles longer than the 

 stems, like the racemes, glandular-pilose : pedicels slender, spreading or ascending, 1-3 cm. 

 long : calyx campanulate ; lobes triangular, acute, longer than the tube, or at maturity 

 shorter : corolla white, 4-5 mm. broad ; lobes 5, broadly cuneate, flattish or truncate at the 

 apex, toothed, as long as the tube : stamens included : capsules depressed-globose, 3-3.5 

 mm. in diameter. 



On wet limestone rocks or in moist soil, Texas. Spring. 



3. Samolus alyssoides Heller. Glabrous, glaucous, 2-3 dm. tall. Stems more or 

 less tufted, erect or ascending, usually branched : leaves numerous, 4-7 cm. long ; blades 

 spatulate, acute or acutish, narrowed into winged often purple petioles, which are shorter 

 than the blades : racemes 2-4 cm. long, on peduncles as long as the stem or longer : pedicels 

 5-10 mm. long, ascending : calyx campanulate ; lobes triangular or triangular-lanceolate, 

 acute, about as long as the tube : corolla white, 8-9 mm. broad ; lobes 5-6, suborbicular, 

 shorter than the tube, rounded at the apex, glandular at the base : stamens included : 

 stigma nearly entire : capsules subglobose, 3-3.5 mm. in diameter. 



In dry sandy soil, on the coast, southern Texas. Spring. 



4. Samolus ebracteatus H.B.K. Glabrous or nearly so, 1-3 dm. tall. Stems soli- 

 tary or tufted, often sparingly branched : leaves alternate ; blades spatulate or obovate, 

 3-10 cm. long, obtuse or apiculate, sessile or with short winged petioles, decurrent : racemes 

 2-20 cm. long, their peduncles usually elongated, commonly longer than the stem : pedi- 

 cels 1-5 cm. long or rarely shorter, ascending : calyx campanulate ; lobes triangular- 

 ovate, acute or acutish, about twice as long as the tube : corolla pink, 6-7 mm. broad ; 

 lobes suborbicular, conspicuously retuse at the apex, densely glandular at the base, shorter 

 than the tube : stamens included : stigma notched : capsules subglobose, about 4 mm. in 

 diameter. 



In salt marshes, saline and brackish soil, Florida to Texas and Mexico. Also in the West Indies. 

 Spring to fall. 



3. LYSIMACHIA L. 



Perennial or sometimes annual caulescent herbs, with glandular-punctate foliage. 

 Leaves opposite or whorled, various : blades entire, prevailingly narrow. Flowers yellow, 

 solitary on slender pedicels or racemosely disposed. Sepals 5. Petals 5, united into a 

 rotate or short funnelform corolla : lobes entire, convolute. Stamens 5. Staminodia 

 wanting. Filaments united at the base. Anthers short. Ovary 1-celled : style filiform. 

 Capsule globose or subglobose. LOOSESTRIFE. 



Corolla without dark dots or streaks. 



Stems creeping : flowers axillary to leaf-like bracts : calyx-lobes ovate. 1. L. Nummul(iria. 



Stems erect : flowers in terminal panicles : calyx-lobes linear or linear-lanceolate. 2. L. Fraseri. 

 Corolla with dark dots or streaks. 



Inflorescence extending nearly the length of the plant : flowers axillary to the 



leaf-like bracts. 3. L. quadrifolia. 



Inflorescence terminal : flowers axillary to bracts smaller than the leaves. 

 Pedicels shorter than the bracts. 



Pedicels 1.5-2 cm. long : leaf-blades 1-ribbed. 4. L.foliota. 



Pedicels 0.5-1.5 cm. long : leaf-blades 3-ribbed. 5. L. aspcrulaefolia. 



Pedicels longer than the bracts. 



Bracts mostly over % as long as the pedicels : leaf-blades linear. 6. L. Loomisii. 



Bracts mostly much less than % as long as the pedicels : leaf-blades broader. 7. L. tcrrestru. 



1. Lysimachia Nummularia L. Perennial, deep green, glabrous. Stems prostrate, 

 creeping 1-7 dm. long, usually branching : leaves opposite, the blades suborbicular, 0.8- 

 cm. in diameter, rounded or retuse and sometimes apiculate at the apex, punctate, rounded, 

 truncate or cordate at the base ; petioles usually 2-3 mm. long : flowers axillary : pedicel 

 stoutish, 1-2 cm. long : calyx punctate, the lobes ovate, 8-9 mm. long, acute at the apex, 

 cordate at the base : corolla bright yellow, about 2 cm. broad, the lobes obovate, punctate : 

 filaments glandular, united at the base. 



In waste places and meadows, Newfoundland to Indiana, New Jersey and Georgia. Naturalized 

 from Europe. Spring and summer. 



