POLEMONIACEAE (PHLOX FAMILY) 395 



, 1. Phlox 'blryoide^ Nutt. PI. Gamb.- 153. 1848. Copiously lataate, densely 

 ca^spitdse and^depressed,' fokning cushion-like mats: leaves short, imbiica*ed 

 in 4 strict ranks, cfctwded up to the mostly BoUtary flowers, ovate or triangular- 

 lariceolate,' about 3-4 mm. lorig, the margins' usually inflexed:'1/ube of the 

 corolla exceeding the calyx, the cuneate lobes about 3 mm. long.^^tony slopes 

 andridges atliuddle elevations'; Colorado to Mbatana and'west to Utah. 



2: Phlox tnuscoides Nutt. Journ: Acad. Phila. 8: 42. 1834. Like the pre- 

 ceding; more feslelilbling some canescent moss: the branches much tufted, 

 very Sorti leaves less strictly 4-ranked and less lanate, ovate-lanceolate: tube 

 of the corolla not surpassing the calyx. — ^Rare; Montana. ' '\ 



3. PhlbxcanescensT.&G. Pacif.R.R;Rep.2: 122. 18,55. Densely caes{)i- 

 tose, lanate and somewhat canesceht, at least when youiig : leaves subulate, pun- 

 gent,' feomewhat granular-roughened, at' ieiigth'recurved-spreading, 6-^10' mni. 

 lon^g: corolla -white (tube "yellow,"),. somewhat hairy at base tyithin, twice the 

 lehgih of the calyx or nearly so, the lobeS broadly obovate to rotund, lusvtally 

 entire, aboUt 5 mm. long: style less than half the length of the coroll^^-tube.■^— 

 Western Colorado' to California. '; 



4. Phlox Hoodii Rich. Frankl. Journ. App. pi. 28. 1823. Densely' tufted 

 and much branched from a ^somewhat woody root, sparsely lanate: leaves 

 subulate, apiculate, with brokder clasping bases, 4-10 mm. long; calyx 5-7 mm. 

 loiigi the teeth like the leaves, the' thickened' central portion of the Ikieth 

 pi'odljced into strbng rib's on the tube below: corolla white, the 'tbbe equaling 

 or koinewhat exceeding the calyx, the lobes obovate, entire or mUcrohate, 

 about 6 mm. long. — Flowering early in the spring on the plains and foothills'; 

 f rorii Saskatchewan to Montana and Wyoming. " 



5. Phtox ^Jabrata "(E.,Nels.) Brand, Pflanisenreich, Polem. 86. 1907. ' De- 

 pfessed-caespitose;, stems vei^ numerous from the small, ligneoiis,' brancShed, 

 rhfzbmiatous ioaudelx, ascending, the internodes very short: leaves glabfEtte, 

 densely imbricated-appressed, nearly linear, 5-6 mm. long: flowers solitary', 

 sessile: calyi subglabrous, the' lobes shorter than the tube: corolla 8-10 mm. 

 long,,,the tubp scarcely, longer than the calyx,_the lobes broadly ovate, not 

 inuch;shorter than the tube: stamens inserted in the throat: style as 'long as 

 the cialyx. (P. Hoodii glabrata E. Nels. ReV. W. N. A. Phloxes 11.) — On the 

 high plains of southern Wyoming. 



6. Phlox cbndensata (Gray) E. Nels. Rev. W; N. A.' Phloxes 13. 1899. 

 Densely pulvinate-tiift'ed:" leaves much imbricated, rigid, oblong-linear; apicu- 

 late, distmctly bisulcate, hispid-ciliate oh the margins and slightly glandular, 

 5-6 mm. long: calyx as long as the leaves, the teeth oblong-linear, apiculate: 

 corolla white, the tu,be twice the length of the calyx or less, somewhat hairy 

 at the base within, the lobes rotxmd, 4.5 mm. long: style shorter than the ca- 

 lyx, '(p. sderanthifolia Rydb: Mem. N. Y. Botl Gard. 1: 313. 1900, at least 

 as to Colorado specimens.)— At high altitudes in Colorado. 



7. ptilox caespitos^ Nutt. I. c. 41. Densely or somewhat loosely caespitose, 

 often tyith Ioiig,ipi'ofetrate' stems: leaves oblong-linear or lanceolate, apiculate, 

 8-14 inih. long,' 1-2 mm. wide, usually. plane, the sdrdewhat caHilaginous 

 margins hispid-ciliate ,or naked, surface glabrous or vi^th sholt; scattered, 

 gland-tipped hairs: flowers sessile orsubsessile (peduncles rarelj^ 2 mrii. long): 

 calyx more or less hispid^jiliate and usuallj^ with some Short gland-tipped hairs, 

 the teeth as long as the tube, lanceolate or' narrowly so, pungent: corolla 

 white or light blue, the tube slightly hairy at base within, about three times 

 the length of the calyx-teeth, the lobes broadly obovate, 5^7 mm. Ibng.— In 

 the mountains frorh New Mexico to Miohtaha; type locaUty, "Flat-Head 

 River, on' the' sides of dry hills.*' ! ■> < i, n 



,8. iphjiox alyssifplia Greene, Pitt. "3: 27. ' 1896. Stems nearly prOstrkte, 

 herbaceous, short, stout, from a subligneous brahchiiig caudex,; thfe short 

 interiibdes hispidul'ous ■mth yhite hairs: leaves 10-18 mrii. long, oblbn^- 

 linear.ciispidately acute, plane, rather thick; with callous, white, entire mar- 

 gms,' and a similar midveih very prominent beneath, though obsolete above, 

 both faces glatrous, only the iriargins loosely cillate toward the base df the 

 leaf: flowers very few, large, pale purple or white, short-pedicefed at the 



