96 POLEMONIALES 



1. Phlox. 756. 



Flowers clustered, 2-many at the ends of the stems or branches, leaves 

 never imbricated. 

 Stems many flowered, leaves usually over 2 cm. long. 



Calyx teeth shorter than the tube, calyx l^ as long as the corolla. 

 Calyx teeth more than half the length of the tube. 



P. paniculata. 



Calyx teeth about V4 the length of the tube. 1. P. maculata. 



Calyx teeth longer than the tube, calyx % as long as the corolla. 



Flowers usually pink or purple, no sterile decumbent shoot or 



runners at the base. 2. P. pilosa. 



Flowers bluish, sterile decumbent shoots or runners present at 



the base. 3. P. divaricata. 



Stems 2-few flowered, leaves not over 2 cm. long. 



Flowers blue or lilac, stems caespitose spreading from a woody 



root. 5. P. kelseyi. 



Flowers white, stems erect from rhizomes. 8. P. andicola. 



Flowers solitary at the ends of the stems or branches, leaves often 



imbricated. 



Leaves very short, about 2 mm. long. 6. P. bryoides. 



Leaves longer. 4-14 mm. long. 



Corolla-tube not longer than the calyx. 7. P. hoodii. 



Corolla-tube longer than the calyx. 4. P. caespitosa. 



Phlox paniculata L. Garden Phlox. 



Occurs in the northeastern county of Kansas and probably in south- 

 eartern Nebraska. 



1. Phlox maculata L. 

 Reported from Talmage. 



2. Phlox pilosa L. 



In dry soil in the eastern part of the state. Ashland; Emerson; 

 Omaha; Richardson County; Weeping Water; Leshara. 



3. Phlox divaricata L. 



In moist woods in the eastern uart of the state. Bellevue; Lincoln; 

 Omaha; Peru; Weeping Water. 



4. Phlox caespitosa Xutt. 



In dry soil in the foot-hills. Scotts Bluff County. 



5. Phlox kelseyi Britton. 



Western Nebraska according to Britton's Manual. 



6. Phlox bryoides Nutt. 



In dry soil in the western part of the state. Kimball County. 



7. Phlox hoodii Richards, • 



In dry sandy or p^ky soil in the western part of the state. Fort Rob- 

 inson; Gordon; Scotts Bluff County. 



8. Phlox andicola (Britton) A. Nels. 

 Phlox douglasii andicola Britton. 



In dry sandy soil in the western part of the state. Banner County; 

 Hat Creek Basin; Valentine. 



