180 
(Crataegus crus-galli, continued) 
hey appear no more distinct than those combined 
above: var. leptophylla (Sarg.) E. J. Palmer, var. 
macra (Beadle) E. J. Palmer, var. pachyphylla (Sarg.) 
E. J. Palmer 
C. x danielsii E. J. Palmer, see named hybrids 
C. dispessa Ashe, p. 817 
C. engelmannii Sarg., barberry-leaved hawthorn [S: incl. var. 
sinistra (Beadle) E. J. Palmer; G: C. crus-galli| 
(Kruschke, 1965) (Gleason and Cronquist (1963) and 
Little (1979) have suggested that C. berberifolia Torrey 
& A. Gray is an older name for this species; the 
situation requires further study), p. 812 
C. fecunda Sarg., p. 812 
C. gattingeri Ashe [M: C. pruinosa] (the validity of this taxon has 
not been studied critically), p. 818 
C. hannibalensis E. J. Palmer [G: C. crus-galli] (the validity of this 
taxon has not been examined critically, although it and 
C. vallicola appear to fall within the range of variation 
for C. palmeri in Missouri), p. 812 
C. harveyana Sarg., p. 805 
C. x incaedua Sarg., see named hybrids 
C. intricata Lange, thicket hawthorn, p. 805 
var. neobushii (Sarg.) Kruschke [S: C. neobushii Sarg., C. 
padifolia Sarg., incl. var. incarnata; M: C. neobushii] 
(Kruschke, 1965) (note that variation in this taxon is 
C. x kelloggii Sarg., see named hybrids 
C. lanuginosa Sarg., woolly hawthorn, p. 817 
C. macracantha G. Lodd. ex iibeoai p. 821 
var. pertomentosa (Ashe) Kruschke [S, G: C. succulenta Link 
var. pertomentosa (Ashe) E. J. Palmer; M: C. 
calpodendron (Ehth.) Medikus] (Kruschke, 1965) 
C. margaretta Ashe, p. 808 
var. brownii (Britton) Sarg. 
var. margaretta 
S: Steyermark G: Great Plains Flora M: Mohlenbrock 
