PRIMULACEAB (PRIMROSE FAMILY) 377 



iiate, often delic^^tely rugulose: capsule cylindric, cireumscissile. (Z). puhshrum 

 llydb. 1.; c): — 'Montana and western Wyoming to Oregon and Washington. 



6. STEIRONEMA Raf. Fbingbd LoosESTEiFB 



Leafy-stemmed perennial heTbs, with opposite or verticillate simple leaves 

 and ajcillary yellow flowers nodding on slender pedicels. Flowers 5-mer6us. 

 Corolla rotatfe, "with no proper tube, deeply 5-parted, the sintises rounded;' the 

 divisions ovate, cuspidate-pointed, each separately involute or convolute 

 around its stamen. Stamens 5, alternating with 5 sterile filaments, distinct 

 or nearly So, insertedion: ajring at the. base of the 66itd}a. iQapsule 10-20- 

 seeded. 



i: Steironema ciliatum (L.) Raf. Ann. Gen. Phys. 7: 192. 1820. Glabr6us 

 throughout except the petioles: stems erect, 4-10 dm. high, mostly sittiple: 

 leaves ovate-lanceolate to oblong-ovate, gradually acuminate, 5-12 cm. long,, 

 mpstly witl^ rounded or subcordate base, minutely ciliate, membranaceous, 

 piimately veined; the long petioles hirsutely ciUate: calyx-lobes IJnear- 

 lancieorate,' iacumihate: lobes of the corolla obovate, obtuse, nearly twice as 

 long as the calyx, erose-denticulate, 8-12 mm. long: capsule longBf than thte 

 calyx. — ^Low moist grounds; Colorado and Wyoming and thence across the 

 continent. 



7. KAUMBERGIA Moench. 



Erect perennial herbs, with opposite entire leaves, the lower reduced to 

 scales, and small yellow flowers in shojrt axillary spikes. Calyx 5-7-divided, 

 the sepals linear,' slightly imbricated. Corolla "deeply 5-7-parted, with "very 

 short tube and narrow segments. Stamens 5-7^ exserted," filaments slendei:',' 

 glabi'ous, shghtly united at base, alternating with as many Small tooth-like 

 staminodia at each sinus of the corolla. Style Slender, equaling' the stairnens; 

 stigma capitate.' Capsule'5-7-valved, few-seeded. 



1. Naumbergiathyrsiflora(L.)Duhy, in.DGiPrddr.S: 60. 1844. Glabrous; 

 or becoming so: stem 3-6 dm. high, from a slender rootstock: leaves lanceo- 

 late, sessile, S-6 cm. long, the lower smaller and the lowest reduced to. ovate 

 scales: peduncles from only 2 Or 3 pairs of l6aveS near the middle of Hok stem, 

 axillary, shorter than the isUbtending ileal/ bearing several or^ numerous small 

 flowers in a dense head or! oblong gpike:. lobes of the calyx lineaPrlanceolate, 

 acute, half as long as the; narrow purple-dotted lobes of the corolla: capsule 

 globose, glandular-dotted,, few-seeded. — In boggy ground; across ithe con- 

 tinent-; also in Europe and Asia. 



8. GLAUX L, 



Small leafy-stemmed herbs, with opposite entire leaves and small, axillary, 

 white or pink apetalous>flowerS. . Calyx 5-parted, the; lobes petaloid, about as 

 long as thecampajjulate tube.. Stamens 5, inserted at the base of the, calyx 

 and jalternate with its lobes; filam,ents subulate-filiform; anthers cordate. Cap-' 

 sule Srvalved at the top,; few-seeded.. ,; . , « ,, ,' 



1. Glaux maritima L. Sp. PI. 237. 1753. Glabrous and glaucous or pale 

 perennial by slender running rootstocks: stems 5-10 cm. high, "ereqt or; 

 spreading: leaves O'val to oblong-linear, 6-12 inm. long, entire, sessile: calyk-' 

 lobes oval, purplish or white. — Salt marshes along both seacoasts; also in sub- 

 saline soil in the interior west, of the >Q§sissippi. 



9. SAMOLUS.L, Beqokweed 



Low glabrous annuals,' ■with alternate 'fehtire leaves and' small white flowers 

 m simple or panicled racemes. Calyx persistent, its tube adnate to 'the'"6v'a'ry 

 Delpw.- Corolla ;perigynous„ nearly campanulate;^ the FOundjed. lobes limbri- 



