fraskra GENTIANACE.E 449 



MENYANTHIiS 



Grande Ronde Valley, eastern Oregon. 



F. albicauiis Dougl. Griseb. 1. c. Very minutely pruinose-puberulpnt : 

 stems 10-18 inches high : radical leaves linear-spatulate, 2-4 incl es long, 

 attenuate below to a petiole : lobes of the corolla subulate, long acuminate, 

 white margined, entire: lobes of the corolla lanceolate, acuminate: glands 

 linear, closed below into a kind of pocket: scales between the filaments 

 oblong, laciniately cleft at the summit. Eastern Oregon and Washington 

 to Idaho. 



Suborder 2. Menyantheas Griseb, Gent. 336. Marsh or aquatic, 

 perennials with heterogonous floivers. Leaves all alternate and 

 mostly petioled. Corolla induplicate-valvate in the bud. Seed- 

 coat crustaceous. 



6 MENYANTHES Tourn. L. Gen. n. 202. 



Perennial herbs with chiefly radical leaves, and white flowers 

 on erect scapes or scape-like peduncles. Calyx 5-parted. Co- 

 rolla somewhat funnelform or campanulate. 5-cleft, the lobes 

 widely spreading, fimbriate or crested on the inner face. Stamens 

 5, inserted on the tube of the corolla ; filaments filiform ; anthers 

 sagittate, versatile. Ovary one-celled ; style long and slender ; 

 stigma bilamellate. Capsule oval, indehiscent, but bursting 

 irregularly across the top. Seeds rather few and large, orbicular 

 and compressed ; the clo^e crustaceous coat smooth. 



M. trifoliata L. Sp. 145. Scapes and leaves stout, 6-10 inches long, 

 from a thick underground scaly stem or rootstock : leaves trifoliolate; long- 

 petioled; leaflets oblong or obovate, entire or repand, obtuse at the apex, 

 narrowed to a sessile base, pinnately veined, 1-3 inches long : raceme borne 

 on a long scape-like naked peduncle, 10-20-flowered: pedicels stout, 3-12 

 lines long, bracteolate at the base: flowers 5-7 lines long: corolla white or 

 tinged with rose, the tube longer than the calyx, the upper surface of the 

 lobes copiously fimbriate-bearded : capsule ovoid, obtuse, about 4 lines long. 

 In bogs, Alaska to California and across the Continent. 



Order LXIII POLEMONIACE.E DC. Fl. Franc, iii, 645. 



Herbaceous or rarely shrubby plants with bland colorless 

 juice, simple or divided leaves without stipules and perfect 

 regular flowers with a free ovary and hypogynous disk. Calyx 

 5-parted or 5-lobed, imbricated in the bud, persistent. Corolla 

 5-lobed, dextrorsely convolute and not plicate in the bud. Sta- 

 mens 5, distinct, inserted on the tube of the corolla, alternate 

 with its lobes. Style one, 3-lobed, or 3-cleft and stigmatic down 

 the inner face. Fruit a 3-celled loculicidal capsule, usually 

 with a thick placental axis; and few or many small amphi- 

 tropous or nearly anatropous seeds with a thin or soft coat, 

 commonly developing mucilage when wetted. Embryo straight 

 and rather large, in the axis of a fleshy or harder albumen. 

 Cotyledons flat or flattish and rather broad. 



* Leaves opposite and entire : seeds not mucilagnous when wet. 

 1 Phlox Stamens unequally inserted and included in the narrow tube 



