146 PEIMULACEAE 



1. M. uniflora L. Ghost Plant. Indian Pipe. Stems 4'-l(K high, 

 clustered, waxy- white: flowers &"-W loDg, nodding: capsules erect. — 

 In rich woods. Kansas City, Independence, Athertou, Dodson and 

 Sibley. Eare and local. August-September. 



FAMILY 96. PRIMULACEAE Vent. 

 Herbs with perfect regular flowers. Calyx 5-parted and corolla 5-cleft. 

 Stamens 5, opposite the corolla lobes. Ovary superior, 1-oelled, with the 

 ovules borne on a free central placenta. Styles and stigma one. Parts 

 of the flower occasionally more or less than five. 



Stem leaves (bracts) verticillate. 1. Andhosacb. 



Stem leaves opposite. 

 Flowers yellow. 

 Flowers axillary. 

 Staminodia none. 2. Lysimachia. 



Staminodia five. 3. Steironema. 



Flowers in dense heads. 4. Naumbukqia. 



Flowers scarlet, blue or white. 5. Anagallis. 



Stem leaves alternate. 6. Centunculus. 



Xeaves all basal. 7. Dodecatheon. 



1. ANDROSACE L. 



l,ow annuals with tufted basal leaves and umbellate flowers subtended 

 "by bracts similar to the leaves. Corolla white, salver-form, shorter than 

 the calyx. 



1. A. occidentalis Pursh. I'-S' high : leaves oblong-spatulate, 

 entire : corolla less than \" long. — Common on dry hills and b.irrens, 

 especially In the southern part. March-April. 



2. LVSIMACHIA L. 



Perennial, glandular-punctate herbs. Corolla rotate, its lobes con- 

 volute and entire. Ovules few. 



1. L. Nummularia L. Moneywort. Creeping, l°-2° long, gla- 

 brous : leaves ovate-orbicular, short-petioled, entire. — Escaped around 

 gardens in Independence. May-September. 



3. STEIRONEMA Eaf. Yellow Loosestrife. 

 Perennial herbs. Corolla rotate, its lobes erose-denticulate, each em- 

 bracing its stamen. Staminodia five, alternate with the stamens. Ovules 

 few to many. 



Leaves ovate. 1. S.Hlialum. 



Leaves lanceolate. 2. S. lanceolatum. 



1. S. cillatum (L. ) Raf. l°-4° high, glabrous : leaves ovate, entire, 

 rounded at base : petioles oiliate, 6'''-12'''' long : capsule not exceeding 

 the calyx. — In wet grounds throughout. Often common. June-August. 



2. S. lanceolatum (Walt.) A. Gray. Resembles the last, but the 

 leaves lanceolate and tapering into the short (I'^-S" long) petioles. — In 

 low meadows throughout, especially in the northeastern part. July- 

 September. 



