163 
Polygala verticillata L., whorled milkwort, p. 972 
mbigua (Nutt.) Alph. Wood [S: incl. var. dolichoptera 
Fern.] (Burns (1986) presented a detailed account of 
the tortuous nomenclatural and taxonomic history of 
the P. verticillata complex and his sensible treatment is 
here followed for Missouri plants, pending much- 
needed further research) 
var. verticillata [S, G: incl. var. isocycla Fern 
sphenostachya Pennell; M: incl. var. pl (see 
discussion under var. ambigua, above) 
POLYGONACEAE, smartweed family 
BRUNNICHIA 
Brunnichia ovata (Walter) Shinn., ladies’ eardrops, buckwheat vine 
[S: B. cirrhosa Gaertner] (Shinners, 1967), p 
ERIOGONUM, wild buckwheat 
Eriogonum longifolium Nutt., umbrella plant, p. 574 
var. longifolium 
FAGOPYRUM, buckwheat 
¢Fagopyrum esculentum Moench, common buckwheat [S: F. 
sagittatum Gilib.] (Voss, 1985b), p. 598 
POLYGONELLA, jointweed 
Polygonella americana (Fischer & C. Meyer) Small, p. 598 
S: Steyermark G: Great Plains Flora M: Mohlenbrock 
