▁ad ▁h oc ▁work shop ▁of ▁Rom ans . ▁ ▁The ▁cardinal ▁also ▁commission ed ▁Gi otto ▁to ▁decor ate ▁the ▁ap se ▁of ▁St . ▁Peter ' s ▁Bas il ica ▁with ▁a ▁cycle ▁of ▁fres co es ▁that ▁were ▁destroyed ▁during ▁the ▁ 1 6 th - century ▁renov ation . ▁According ▁to ▁Vas ari , ▁Gi otto ▁remained ▁in ▁Rome ▁for ▁six ▁years , ▁subsequently ▁receiving ▁numerous ▁comm issions ▁in ▁Italy , ▁and ▁in ▁the ▁Pap al ▁seat ▁at ▁Av ignon , ▁but ▁some ▁of ▁the ▁works ▁are ▁now ▁recognized ▁to ▁be ▁by ▁other ▁artists . ▁ ▁In ▁Florence , ▁where ▁documents ▁from ▁ 1 3 1 4 ▁to ▁ 1 3 2 7 ▁att est ▁to ▁his ▁financial ▁activities , ▁Gi otto ▁painted ▁an ▁alt arp ie ce , ▁known ▁as ▁the ▁O gn iss anti ▁Madonna , ▁which ▁is ▁now ▁on ▁display ▁in ▁the ▁U ff izi , ▁where ▁it ▁is ▁exhib ited ▁beside ▁C im ab ue ' s ▁Santa ▁Tr in ita ▁Madonna ▁and ▁Duc cio ' s ▁R uc ella i ▁Madonna . ▁The ▁O gn iss anti ▁alt arp ie ce ▁is ▁the ▁only ▁panel ▁painting ▁by ▁Gi otto ▁that ▁has ▁been ▁univers ally ▁accepted ▁by ▁sch ol ars , ▁despite ▁the ▁fact ▁that ▁it ▁is ▁und ocument ed . ▁It ▁was ▁painted ▁for ▁the ▁church ▁of ▁the ▁O gn iss anti ▁( all ▁sain ts ) ▁in ▁Florence , ▁which ▁was ▁built ▁by ▁an ▁obsc ure ▁religious ▁order , ▁known ▁as ▁the ▁Hum