124 
GENTIANELLA, stiff gentian 
[S: GENTIANA] (Gillett, 1957) 
Gentianella quinquefolia (L.) Small, stiff gentian, ague weed [S: 
entiana quinquefolia L.] (Gillett, 1957), p. 1188 
ssp. occidentalis (A. Gray) J. M. Gillett [S: Gentiana 
uinquefolia var. occidentalis (A. Gray) A. Hitchc.] 
(Gillett, 1957) 
OBOLARIA, pennywort 
Obolaria virginica L., pennywort, p. 1192 
SABATIA, marsh pink 
Sabatia angularis (L.) Pursh, rose pink, rose gentian, p. 1186 
f. albiflora House [M: S. angularis] (Wilbur, 1955) 
f. angularis 
S. brachiata Elliott, p. 1186 
S. campestris Nutt., prairie rose gentian, p. 1187 
SWERTIA, columbo 
[M: FRASERA] (St. John, 1941) 
Swertia caroliniensis (Walter) Kuntze, American columbo, green 
gentian 
[M: Frasera caroliniensis Walter] (St. John, 
1941), p. 1191 
GERANIACEAE, geranium family 
ERODIUM, storksbill 
Erodium cicutarium (L.) L’Hér. 
needle, pin clover. 
E. texanum A. Gra 
€x Aiton, filaree, alfilaria, pink 
» P. 964 
y, large-flowered Storksbill, p. 1652 
S: Steyermark G: Great Plains Flora M: Mohlenbrock 
