162 
Phlox pilosa L., prairie Phlox, downy phlox, p. 1229 
ssp. fulgida (Wherry) Wherry [S: P. pilosa var. fulgida Wherry, 
incl. f. albiflora (MacMillan) Standley ] (Wherry, 1955; 
Levin, 1966) (note that in the interests of uniformity, 
the variant with white corollas probably should 
continue to be recognized as a forma, but the epithet 
albiflora has yet to be transferred to ssp. fulgida) 
Ssp. ozarkana (Wherry) Wherry [S: P. pilosa var. ozarkana 
Wherry] (Wherry, 1955; Levin, 1966) 
Ssp. pilosa 
Ssp. pulcherrima Lundell [S: P. pilosa var. amplexicaulis (Raf.) 
Wherry] (Wherry, 1955; Levin, 1966) 
POLEMONIUM, Jacob’s ladder 
Polemonium reptans L., Jacob’s ladder, Greek valerian, creeping 
polemonium, p. 1224 
var. reptans 
POLYGALACEAE, milkwort family 
POLYGALA, milkwort 
Polygala incarnata L., pink milkwort, slender milkwort, p. 970 
- Sanguinea L., field milkwort, blood polygala, p. 970 
f. sanguinea 
f. albiflora (Whee Ock) Millsp. [M: P. sanguinea] (the 
validity of this taxon requires further study) 
f. viridescens (L.) Farw. [M, G: P. sanguinea] (the validity 
of this taxon requires further study) 
P. senega L., Seneca Snakeroot [S, G: incl. var. latifolia Torrey & 
Gray] (the validity of this taxon requires further 
Study; see Burns (1986) for discussion), p. 970 
S: Steyermark G: Great Plains Flora M: Mohlenbrock 
