RENAISSANCE
ARCHITECTURE 31
also the lightest. Their
most remarkable achieve-
mentwas
asuddenpowerofquietdelicacyandgrace.Conversely, when the
baroque architects of Rome
desired a monumental and Cyclopean effect, theyobtained it without the Florentines' advantages.Again, the hardpietra serena ofTuscany maylend
itselftofinecarving
;butthepassionoftheFloren-tinesforexquisite detail
isno lessmarked in theirpainting, where no such factors operated, than intheir architecture. Clearly, therefore, it sprang inbothcases from anindependent and native prefer-enceoftaste. And,conversely,oncemore,theroughtravertine of Rome did not yield
upits'natural'effect,itsbreadthofscaleand roundnessoffeelingsuntilthe baroque imagination, trained in paintingtoseekforsofttransitionsandbroadshadow,begantorequirethosequalitiesinarchitecture. Tillthen,travertine hadbeen used, againstitsnature, in theFlorentinetraditionofsharpdetail. IntheRenais-sancetheimaginationcamefirst;andwhereitexisted
it never
Jailgdto find materials forits expression,Nodoubtonematerial
wasbetterthananother,andanarchitectaccustomed,asweretheItalians, tohistools, wouldtake the besthe could; butthe men
of theRenaissance werenotoriously, and perhapsviciously,indifferent to thematter. If they con-ceived adesign whichcalledforamaterialdifficulttoobtain, theymade noscruple
aboutimitatingit.