453 POLEMONIACEAE phlox 



CANTUA 



lobes entire or barely retuse, 6 lines long: ovules 2 in each cell. Along 

 the Columbia river from The Dalles eastward. 



P. longifolia Nutt. Jour. Acad. Philad. vii, 41. Nearly glabrous to 

 pubescent, much branched or many-stemmed from a woody base, 3-8 

 inches high : leaves mostly narrowly linear, 1-3 inches long : calyx more 

 or less angled by the white-membranaceous replicate sinuses : lobes of 

 the corolla obovate or oblong-cuneate, entire or retuse, 3-5 lines long: 

 ovules almost always solitary in the cells. Dry plains, eastern Oregon to 

 Brit. Columbia and the Rocky Mountains. 



P. Stansburyi Heller P longifolia var. Stansburyi Gray. Conspic- 

 uously pubescent throughout, or sometimes glabrate, generally stoutish 

 and somewhat open in growth, 6-8 inches high : leaves from linear to li- 

 near-lanceolate, 1-3 inches long: pubescence of the branchlets and calyx 

 viscid or glandular: tube of the corolla about twice the length of the 

 calyx ; its obovate lobes entire or barely retuse : ovules 1 or 2 in each cell. 

 Dry prairies, eastern Oregon and Washington to the Rocky Mountains. 



P. adsurgens Torr. in Herb. Gray 1. c. 256. Glabrous except the 

 glandular-pubescent slender pedicels and calyx: stems slender, trailing or 

 ascending, 6-20 inches long: leaves ovate to broadly lanceolate, acute, 5-12 

 lines long by half as broad, all but the lowest shorter than the internodes : 

 tube of the corolla nearly twice as long as the calyx; its obovate entire or 

 retuse lobes 5-6 lines long: ovules solitary in the cells. In dry open for- 

 ests, southwestern Oregon. 



■*" ■*" Calyx-tube cylindraceous, the thin membranous portion be- 

 tween the ribs not projecting into salient angles: style very short, 

 mostly shorter than the ovary. 



P. speciosa Pursh Fl. 149. Stems 1-3 feet high; the branches ascend- 

 ing from a shrubby base, somewhat viscid-puberulent or glandular above: 

 leaves lanceolate or linear, 1-3 inches long, very acute above, sessile with 

 a broad base : flowers corymbose : corolla rose color or pink to white ; its 

 tube but little longer than the calyx; its obcordate lobes 5-6 lines long: 

 ovules solitary in the cells. Dry ridges and rocky banks, California to 

 Brit. Columbia and the Rocky Mountains. 



Var. Sabini Gray 1. c. Lobes of the corolla entire or barely retuse: 

 obovate with a narrowed cuneate base. Spokane river, Washington. 



3 CANTUA Juss. Gen. 136. 



Very leafy commonly tufted perennials or undershrubs with 

 thp leaves all alternate, rarely opposite, and showy flowers either 

 solitary and sessile or few in a cluster at the ends of short 

 branches or branchlets. Calyx tubular to campanulate, the lobes 

 short-subulate, pungent. Corolla salverform; the tube more or 

 less exceeding the calyx ; the throat somewhat funnelform. Fila- 

 ments short, inserted in or below the throat: anthers short, in- 

 cluded. Ovules numerous in each cell. Seeds with a close coat, 

 developing neither mucilage nor spiral threads when wetted. 



C. pungens Torr. Ann. Lye. N. Y. ii, 26. Gilia pungens Benth. 

 Puberulent, glabrate, or somewhat viscid: stems woody, usually much 

 branched or tufted, 6-8 inches high : leaves sessile, palmately divided into 

 3-7 rigid and pungent subulate segments, 4-8 lines long often with smaller 

 ones fascicled in their axils : calyx cylindraceous ; its subulate lobes i 

 the length of the tube; corolla rose white or yellow, 8-12 lines long, the 



