Additions and corrections to Cacti of Eastern Brazil (3)

A total of seven species of Cactaceae, including hybrids, are newly recognised or re-evaluated for the area defined for the Cacti of Eastern Brazil, some being described for the first time (Tacinga xgrandiflora, Discocactus piscibarbarus). Other taxonomic changes are noted (Tacinga xquipa, Arrojadoa multiflora, Pilosocereus brauniorum, Micranthocereus alvinii and M. hofackerianus) together with various range extensions and many of the plants concerned are illustrated.