PHLOX FAMILY 685 



Plant pubescent throughout. 



Plant densely grajosh pubescent, not at all glandular, densely cespitose, with a tliick 



woody caudex. 22. P. austromontana. 



Plant glandular or viscid. 



Corolla-tube glabrous. 



Leaves- 2^ mm. wide. 



Leaves long-attenuate, not thick; only upper portion glandular; corolla 



scarcely twice as long as the calyx. 21. P. longifolia. 



Leaves obtusish or abruptly acute, thick and Arm; corolla-tube nilly twice 



as long as the calyx. 23. P. Stansburyi. 



Leaves 1 mm. wide; corolla not twice as long as the calyx. 



24. P. viridis. 



CoroUa-tube pubescent. 25. P. gladiformis. 



VL Speciosae. 

 One species. 26. P. speciosa. 



1. P. bryoides Nutt. Plant less than 1 dm. high; leaves densely imbricate, 

 ovate or triangular-lanceolate, 2-3 mm. long, densely cobwebby, with in flexed 

 margins; flowers sohtary at the end of the branches, sessile; calyx-teeth subulate. 

 shorter than the tube; corolla about 1 cm. long; lobes obovate, about 3 mm. long, 

 Dry hills: Neb.— Colo.— Utah— Wyo. Plain— Submont. My-Je. 



2. P. muscoides Nutt. Plant rarely more than 5 cm. high; leaves imbricate, 

 but not 4-ranked, subulate, with revolute margins, 5-8 mm. long, decidedly 

 cobw^ebby; flowers sessile and solitary at the ends of the branches; calyx-teeth 

 subulate, equalling the tube; corolla 6~S mm. long; lobes obovate, 3 mm. long. 

 Dry hills: Mont. Submont, My-Jl. 



3. P. canescens T. & G, Leaves subulate, pungent, at length spreading, 

 6-10 mm. long, lanate-canescent, at least when young; flowers sessile, solitary 

 at the ends of the branches; calyx arachnoid-hairy; teeth subulate; corolla white, 

 about 1 cm. long; lobes broadly obovate, 4^5 mm. long. Dry hills: w Colo.— 

 N.M.— Calif.— Ida. SubmonL My. 



4. P. Hoodii Richards. Leaves subulate, sparingly lanate, 4-10 mm. long, 

 apiculate; flowers sessile, solitary at the ends of the branches; calyx 5-7 mm. 

 long, arachnoid; teeth similar to the leaves; corolla white, 8-10 mm. long; lobes 

 obovate, entire or mucronate, 5- mm. long. Moss Pink, Moss Phlox. Hills 

 and plains: Mack.— Neb.— Wyo.— Ida.— Yukon. Plain. Ap-My. 



5. P. andicola (Britton) E. Nels. Stem erect, branched at the ground, 

 white, 5-10 cm. high, sparingly arachnoid at the nodes; leaves subulate, 1-2 cm. 

 long with strong midrib; flowers on short pedicels; ca^^x-teeth as long as the 

 tube' subulate, pungent; corolla white, half longer than the calyx; lobes obovate, 

 5-7 mm long. Plains and hills and sandy soil: S.D.— Colo.— Ida. Plain. 



Je-Jl. 



base 



6, P. multiflora A. Kels. Cespitose perennial, with a sunruticose 

 branches erect, finely pubescent, not arachnoid; leaves broadly hncar, glabrous, 

 apiculate, 1-2 cm. long; flowers solitary; peduncles 1-3 cm. long: calyx ^ abmus 

 or nearly so, about 1 cm. long; lobes Unear, with a strong midrib , corolla light 

 blue or white, nearly 2 cm. long; tube longer than the calyx; lobes obovate, about 

 1 cm long. P. da^yphylla A. Brand, a small-flowered and narrow-leaved form. 

 Mountains and hills: Mont.— Colo. SubmonL— MonL ]My-JL 



7 P depressa (E. Nels.) Rydb. Densely cespitose perennial, less than 1 

 dm hidi; leaves narrowly linear, 1 cm., rarely 2 cm. long, -^ith strong midrib; 

 flowers subsessile or ^-ith very short pedicels; calyx about 8 nun . long, glabrous; 

 teeth subulate; corolla mostly wliite, 15^18 mm. long; lobes broadly obovate, 

 6-7 mm. long. Open hills: Mont.— Colo.— Utah— Ida. SubmonL— MonL Je- 



^8 P COStata Rydb. Stems less than 5 cm. high; leaves about 1 cm. long, 

 linear-siibidate, acerose; midrib prominent and margins slightly revolute; flowers 

 solitary; pedicels less than 1 cm. long; calyx strongly ribbed, yiUous between the 

 ribs; teeth subulate, equalUng the tube, more or less spreadmg; corolla bluish, 

 turning white; tube twice a^ long as the cal^^c; lobes almost orbicular, /-8 mm. 

 long Dry ridges: Mont.— (? Utah). MonL Jl. 



9 P scleranthifolia Rydb. Branches depressed, glabrous or nearly so; 

 leaves very narrow, about 1 cm. long, less than 0.5 mm. wide, spinulose-tipped, 



