POLEMONIACEAE. 



VOL. III. 



14. Phlox Brittonii Small. Britton's Phlox. 

 Fig. 3467. 



Phlox Brittonii Small, Bull. Torr. Club 27: 279. 1900. 



Glandular-pilose, deep green ; stems copiously 

 branched, forming wide mats. Leaves numerous, 

 with small ones often clustered in the axils of the 

 larger, subulate or narrowly linear-subulate, 24''-S" 

 long, ciliate, especially near the base ; calyx glandu- 

 lar-pubescent like the branches, the lobes subulate, 

 about as long as the tube ; corolla mainly white, the 

 limb 12-13 mm. broad, its lobes cuneate, much shorter 

 than the tube, with 2 pale magenta spots at the base, 

 cleft by a V-shaped sinus, a minute tooth in each 

 sinus ; capsule oblong, 2" high. 



On dry mountain slopes, Virginia, West Virginia and 

 North Carolina. May. 



15. Phlox bryoides Nutt. 

 Fig. 3468. 



Moss Phlox. 



Phlox bryoides Nutt. Journ. Acad. Phila. (II.) i: 153. 

 1848. 



Depressed, shrubby, moss-like, densely branched 

 from a deep woody root, forming compact tufts 2'-$' 

 high. Leaves minute (about i" long), closely im- 

 bricated in 4 ranks, copiously white-woolly, triangu- 

 lar-lanceolate, pale, acute, the margins infolded; 

 flowers solitary and sessile at the ends of the 

 branches, about 2\" long; tube of the corolla longer 

 than the calyx, its lobes broadly cuneate, entire. 



On dry hills, western Nebraska, Colorado and Wyo- 

 ming. May-July. 



16. Phlox Hoodii Richards. 

 Fig. 3469- 



Hood's Phlox. 



Phlox Hoodii Richards. App. Frank. Journ. 733. pi. 28. 

 1823. 



Densely tufted and branched from a woody root, 

 2 '-4' high. Leaves imbricated, erect, rigid, subulate, 

 mucronate, somewhat woolly or ciliate, becoming 

 glabrafe, 2 "-6" long; flowers solitary and sessile at 

 the ends of the branches, about 5" long; calyx-teeth 

 lanceolate, acuminate, rigid, longer than the tube ; 

 tube of the corolla shorter than or equalling the 

 calyx, its lobes obovate, entire. 



In dry sandy or rocky soil, North Dakota to Mani- 

 toba, Alberta, western Nebraska and Wyoming. May- 

 July. 



