Lava flows southwest of Glenwood Springs, Colorado, have been broken by numerous faults with a few tens to several hundreds of feet of perpendicular separation. Flexural slip in steeply upturned Upper Cretaceous and Tertiary strata beneath the lava flows is believed to be responsible for this faulti

"Introduction: For many years there has been great confusion in the nomenclature of Lupinus. Many authors have contributed numerous names as they interpreted the morphological variations. Since the work of Sereno Watson (1873) there has not been an attempt to make a monographic study of the perennia