154 POLEMONIACEAE 



Corolla lobes obtuse. 



Styles equalling the capsule. 4. C. Cephalanthi. 



Styles shorter than the capsule. 5. (7. Gronovii. 



Calyx of distinct sepals. 6. C. paradoxa. 



1. C. arvensis Beyrich. Low climbing : flowers l /x long, nearly ses- 

 sile : corolla tips incurved : scales large, deeply fringed : corolla persis- 

 tent at base of the depressed -globose capsule. In barrens west of Lee's 

 Summit and southwest of Tarsney. Local. June-July. 



2. C. Polygonorum Engelm. Low climbing : flowers nearly sessile : 

 scales small : styles shorter than the ovary : capsule depressed -globose. 

 Frequent throughout in low moist grounds. August-September. 



3. C. Coryli Engelm. Low climbing : flowers l x/ long, short-pedi- 

 celled : fringe of scales little or none : capsule depressed-globose. On a 

 dry bank in Rush Bottom near Courtney. Local. August-September. 



4. C. Cephalanthi Engelm. High climbing : flowers l /x long, short- 

 pedicelled, in panicled cymes : calyx lobes obtuse : scales fringed : cap- 

 sule depressed -globose. On willows, etc., along the Missouri River near 

 Sheffield and Courtney. Not common. August-September. 



5. C. Gronovii Willd. Climbing, 2-6 high : flowers \\" long, short- 

 pedicelled : calyx lobes obtuse : scales copiously fringed : capsule sub- 

 globose or oblong-globose. In moist woods near Atherton and Sibley. 

 Locally abundant. August-September. 



6. C. paradoxa Raf. Flowers sessile, \\' f long, in very dense clusters, 

 6 // -9 // thick : tips of sepals and of the numerous bracts recurved-spread- 

 ing : scales strongly fringed : styles 2-4 times the length of the ovary. 

 Dry woods and hills throughout, especially in the southern part. Rather 

 common. August-September. 



FAMILY 104. POLEMONIACEAE DC. 



Herbs with nearly regular flowers. Calyx and corolla lobes five each. 

 Stamens five, alternate with the corolla lobes. Ovary superior, 3-celled, 

 with 2-many ovules in each cell. Style solitary. Stigmas three. Cap- 

 sule loculicidal, 3-valved. 



Leaves opposite, entire. 1. PHLOX. 



Leaves alternate, pinnate. 2. PoLEMONIUM. 



1. PHLOX L. WILD SWEET WILLIAM. WILD PHLOX. 

 Perennial herbs with blue, red or white flowers in terminal cymes or 

 panicles. Corolla salver-form with a long narrow tube. 



Flowers in panicled cymes. 1. P. paniculata. 

 Flowers in corymbed or simple cymes. 



Plants without sterile prostrate shoots at base. 2. P. pilosa. 



Sterile prostrate shoots present. 3. P. divaricata. 



1. P. paniculata L. Glabrous, !J-4 high : leaves ovate-lanceolate: 

 flowers short pedicelled : calyx teeth subulate : corolla lobes entire, pink, 

 purple or white. Occasionally escaping from gardens to roadsides. July- 

 September. 



