Book III  OF THE INFECTED SUBSTANCE 203

Since, in contagions, we ought to have an abundant supply
of remedies and employ now one, now another, as may be neces—
sary, it will be well to enumerate several of those that are of
value in contagions, so that we may be able to choose the more
suitable. 'The following are caustic: verdigris, /orpiment,
chalcitis,* chalcanthus (flowers of copper), the so—called sub—
limate and precipitate, the so—called ruptoria? and the like.
Allied to causties are sparkling salt (rock—salt?), nitre and salt,
burned dregs of vinegar,'? alum, fig—wood ashes, pigeon!/s ex—
erement,'' vatrachium),'? clematis, thapsia,5  euphorbium,
pyrethrum, lime, the hermodactyli,'* Egyptian ointment,'5
the troches of Andron,'* and the compound diachalcitis, and
the like. Resins which are both detergent and drying and
give consistency to the substance are: turpentine, the resins of
the larch, pine and cedar, incense, mastic,'? galbanum,'* myrrh,
both kinds of styrax,'? gums, laser,?? etc. Resins that can
either be reduced to powder or decocted, and are both hot and
drying, are: aspalathus,?! cypress, juniper, cedar, the wood of
the balsam—tree, lemon—wood, agnus castus,?? guaiae,? aga—
lochus,?4 scordium, chamaedrys,?5 both Italian and Cretan
dictamon,?* einquefoil, heptaphyllon (seven—foil), valerian,
verbena, thlaspi,?7 the so—called scabious, the blessed thistle, ?8
which Theophrastus classifies as another kind of meadow—this—
tle; also gentian, aristolochia,?9 smyrnium, ? also aromatic
cassia, cinnamon, aromatic calamus,3' fragrant rush, macer,3?
nutmeg, zedoary,59 doroniec,9* galanga,**5 and iris. Cold and
dry powders are also: pearls, corals, amber, sapphires, jacinth,
the emerald, which is very costly; Lemnian earth, Armenian
bole, Samian earth, sandal—wood, the so—called bistorta,39 per—
haps the bulapathuss? and all kinds of lapatha; oxalis, above all;
and all the trefoils, especially that called fragrant', and the
herb that resembles it, commonly ealled '^French', perhaps
onobrychis?*; also chicory, dodder,?? water—lily, tamarind, harts—
horn, the bone of this animal's heart,*? horn of unicorn,*' roses,
their hips, and citron—seeds (?). 'The cold and drying liquids
are: vinegar, verjuice,*? and wine made of barberries.*s— The
antidotes are: theriae,* mithridatum,*5 troches of viper,** prep—
arations of musk and amber, cyphi,*7 rose sugar and the like.

It is not easy to decide what remedies have a spiritual antip—
athy, since the same remedies possess also the antipathy which
is connected with material qualities. However, some of them