LINACEAE, flax family 
LINUM, flax 
Linum medium (Planchon) et sucker flax, p. 958 
. texanum (Planchon) F: 
+L. rigidum Pursh, stiffstem ey p. 957 
*var. compactum (Nelson) C. Rogers (Rogers, 1968) (note that 
although Rogers (1984) considered this variety to 
represent a separate species, L. compactum Nelson, 
both he and G: expressed difficulties in the separation 
of some specimens from L. rigidum) 
var. rigidum, see excluded taxa 
Pp. 
L. sulcatum Riddell, grooved flax, p. 958 
var. sulcatum 
an usitatissimum L., common flax, p. 957 
*L. virginianum L., wild flax (Rogers, 1963) 
LOASACEAE, loasa family 
MENTZELIA, stickleaf, blazing star 
+Mentzelia albescens (Gillies & eh Griseb., p. 1653 
M. oligosperma Nutt. ex Sims, p. 1 
LOGANIACEAE, logania family 
(see also BUDDLEJACEAE) 
CYNOCTONUM (see MIT REOLA) 
MITREOLA, miterwort 
Mitreola petiolata (J. Gmelin) Torrey & A. Gray [S: Cynoctonum 
mutreola (L.) Britton] (Nelson, 1980), p. 1184 
S: Steyermark G;: Great Plains Flora M: Mohlenbrock 
