224 
Crataegus ceedeteaie ROUND-LEAVED THORN. 
Location: Fruticetum. 
Natural distribution Northern North America. 
cetum. rboretum. 
cae patie Northeastern United States and Ontario. 
aed acca EGGERT’s THO 
Loc cetum. 
ae ee Eastern United States. 
Crataegus collina. CHAPMAN’s HILL THOR! 
Location: Pendes im 
atural d t ti United States. 
Crataegus comans. ADORNED THORN. 
Location: Fruticetum. 
atural distribution: New Yor 
pve cont aoe STRAIGHT-BRANCHED THORN. 
Loc: ; Fruticetum. 
ina eeieias Vermont 
Crataegus Crus-galli. CockspuR THORN. 
Location: Fruticetum. Arboretum. 
Natural distribution: Eastern United States. 
Crataegus cuneiformis. MARSHALL’S THORN. 
ocation: Arboretum. 
Natural neni East central United States. 
Crataegus denaria. PaLMER’s THORN 
ocation: Fruticetum. 
Natural distribution: South central United States. 
Crataegus disjuncta. Muissourr THORN 
Location: Arboretum. 
Natural distribution: South central United States. 
Crataegus dispessa. Busu’s THorRN. 
Location: fe - retum, 
atural distribution: Missouri. 
Crataegus Du see UNBAR’S THORN. 
Location: Fru 
Natural eee New York. 
