Flora of the Palonse Rcgio)i 133 



P. picta Smith. Rootstocks creeping: leaves tufted at base, oblong, ovate 

 or orbicular, obtuse or acute, mu'eronate, obscurely denticulate or entire, 

 green, variegated with white along the veins, often purple beneath, 2-6 cm. 

 long; petioles margined, 1-3 cm. long: scapes erect, 15-30 cm. high, with 

 few bracts, 10-20-flowered: calyx-lobes short, ovate, about one- fourth as 

 long as the petals: corolla irregular; petals white, 6-7 mm. long: anthers 

 constricted at the apex: style deflexed; stigma with a projecting collar. 

 Coniferous woods, Thatuna Hills. 



P. rotundifolia var. bracteata Gray. Leaves all basal, green, orbicu- 

 lar, sometimes ovate and acute, or obovate, rounded at base, denticulate, 

 crenulate or entire, 3-6 cm. long; petioles margined, as long as the blades: 

 scapes 20-40 cm. high, with several brownish scarious lanceolate bracts; 

 racemes many-flowered: calyx-lobes triangular-lanceolate, about half as long 

 as the petals: corolla irregular, dull-red, about 1 cm. broad: anthers slightly 

 constricted at apex: style declined; stigma with a collar-like ridge. Deep 

 woods, Thatuna Hills. 



219. MONESES. 



IvOw perennial glabrons herbs: flowers solitary on a slender 

 scape, drooping, white or pink: petals .5, widely spreading, orbic- 

 ular: stamens 10; filaments not enlarged in the middle, naked: 

 style exserted; stigma large, peltate, with 5 short radiating lobes; 

 ovary globose, 4-5-celled; ovules numerous capsule subglobose, 

 4-5-lobed, 4-5-celled, 4-5-valved: seeds numerous, minute. 



M. grandiflora S. F. Gray. Perennial, with slender rootstock, the short 

 upright stem bearing 2-4 pairs or whorls of leaves: leaves obovate or orbicu- 

 lar, obtuse, finely crenate or dentate, 8-20 mm. long, narrowed at the base, 

 with a shorter petiole: scapes 5-12 cm. high, i-flowered, usually bearing a 

 solitary bract: flowers white, nodding, 12-20 mm. broad: capsules erect, 6-8 

 mm. broad. Coniferous woods, Thatuna Hills, rare. 



220. CHIMAPHIXA. 



Low nearly herbaceous perennials: leaves irregularly opposite or 

 whorled or scattered, coriaceous, short-petioled, serrate: flowers in 

 corymbs or umbels, on a leafy stem: petals 5, widely spreading, 

 orbicular: anthers 2-horned: stigma large, peltate, with 5 narrow 

 and conspicuous radiating lobes: valves of the capsule naked. 



C. COrymbosa Pursh. .Stems 15-30 cm. high, erect, from horizontal root- 

 stocks: leaves evergreen, leathery, oblanceolate, acute, serrate, 2-4 cm. long, 

 short-petioled, glabrous or minutely pubernlent: flowers pink, about 1 cm. 

 broad, in terminal corymbs: filaments bearded on the margins: capsule 6-8 

 mm. broad. Deep coniferous woods, Thatuna Hills. 



221. PTEROSPORA. 



Stout simple purplish-brown clammy-pubescent root-parasitic 

 herbs: stem wand-like, with scattered lanceolate scales toward the 

 base, in place of leaves: flowers many, nodding, white, in a long 



