§367. In the more modest houses space was saved by using a room for several purposes. The separate _apodytērium_ might be dispensed with, the bather undressing and dressing in either the _frīgidārium_ or _tepidārium_ according to the weather; or the _ūnctōrium_ might be saved by using the _tepidārium_ for this purpose as well as for its own. In this way the suite of five rooms might be reduced to four or three. On the other hand, private houses had sometimes an additional hot room without water (_lacōnicum_), used for a sweat bath, and a public bathhouse would be almost sure to have an exercise ground (_palaestra_), with a pool at one side (_piscīna_) for a cold plunge and a room adjacent (_dēstrictārium_) in which the sweat and dirt of exercise were scraped off with the _strigilis_ (Fig. 171) before and after the bath. It must not be supposed that all bathers went the round of all the rooms in the order given above, though that was common enough. Some would dispense with the hot bath altogether, taking instead a sweat in the _lacōnicum_, or failing that, in the _caldārium_, removing the perspiration with the strigil, following this with a cold bath (perhaps merely a shower or douche) in the _frīgidārium_ and the rubbing with linen cloths and anointing with oil. Young men who deserted the campus and the Tiber (§317) for the _palaestra_ and the bath would content themselves with removing the effects of their exercise with the scraper, taking a plunge in the open pool, and then a second scraping and the oil. Much would depend on the time and the tastes of individuals, and physicians laid down strict rules for their patients to follow. [Illustration: FIGURE 172. SUSPENSURA]