swERTiA GENTIANACEAE 447 



FRASERA 



G. Oregana Engelni. in herb. Stems erect and rather stout, 1-2 feet 

 high : sometimes more slender and ascending : leaves ovate, to ovate-ob- 

 long or lanceolate 1-3 inches long: flowers few at the summit or some- 

 times several and racemose-scattered : bracts oblong or ovate : calyx-lobes 

 from oblong to ovate-lanceolate as long as the tube : corolla broadly fun- 

 nelform over an inch long, its short lobes roundish. Brit. Columbia to 

 California and Idaho. 



G. affinis Griseb. Gent. 191. Stems clustered, 8-13 inches long, most- 

 ly ascending: leaves from oblong to lanceolate or linear: flowers from 

 few to numerous and thyrsoid-racemose : bracts lanceolate or linear : lobes 

 of the calyx linear or subulate, unequal and variable, the longest rarely 

 equalling the tube, the shorter sometimes minute : corolla an inch or less 

 long, rather narrowly funnelform, its lobes ovate, acutish or mucronu-, 

 late-pointed, spreading. Brit. Columbia to California and the Rocky 

 Mountains. 



G. anisosepala Greene Pitt, iii, 309. "Annual, erect, slender, simple, 

 5-10 inches high, with a few small flowers terminal and in the upper 

 axils : leaves in a few pairs, the lowest obovate, the middle pairs oval, the 

 uppermost cordate-oval, all obtuse, sessile, % to more than % inch long: 

 the few flowers about 4 lines long: calyx parted almost to the base into 

 5 narrowly elliptical very acute segments of unequal length, the shortest 

 hardly equalling the tube of the corolla, the longest almost equalling the 

 full length of the corolla; corolla broadly funnelform, the segments 

 shorter than the tute, rather obtuse, almost equalled by the longer setae 

 of the crown. Nez Perces Co., Idaho, Heller, July, 1896 (n. 3440)." 



■^ "^ Calyx 4-5' parted. Corolla with one or two nectariferous 

 pits, or spots or an adnate scale to each lobe. Seeds compara- 

 tively large. 



4 SWERTIA L. Gen. n. 321. 



S.imple-stemmed perennial herbs with mostly opposite petioled 

 leaves, and blue or white flowers in summer. Corolla rotate, 5- 

 parted; the lobes dextrorsely convolute in the bud. Style none 

 or very short : stigTua 2-lamellate or 2-lobed. Capsule ovate : the 

 placentae not intruded. 



S. obtusa Ledeb. Mem. Acad. St. Petersb. v, 526. 5. perennis Pall, 

 not of L. "A span to a foot or more high; lowest leaves oblong or obo- 

 vate-spatulate (2 to 4 inches long), tapering into a long petiole; upper 

 cauline few and narrower, sessile ; sonic commonly alternate : inflorescence 

 racemiform or narrowly paniculate, few-many-flowered : flowers 5-mer- 

 ous : sepals narrowly lanceolate : lobes of the corolla (4-6 lines long) 

 oblong-ovate, becoming lanceolate, the base bearing a pair of nectarifer- 

 ous pits which are crested with a fringe. Subalpine in the Blue Moun- 

 tains of Oregon to the Rocky Mountains, Alaska and Siberia. 



5 FRASERA Walt. Fl. Carol. 87. 

 Smooth herbs with erect stems, opposite or verticillate leaves 

 and numerous flowers in thyrsoid or paniculate cymes. Corolla 

 rotate, 4-parted, the lobes dextrorsely convolute in the bud, bear- 

 ing a single or double fringed gland, and sometihies a fimbriate 

 crown at base. Stamens inserted on the very base of the corolla : 

 filaments subulate, often united at base, occasionally with some 

 interposed small bristles or scalies. Ovary ovate, tapering into 



