tuus. The possessive adjective, strictly equivalent to a subjective or possessive genitive, sometimes, as here, by a variation of the conception, replaces an objective genitive. See Roby § 1315, Madv. § 297 obs. 1. For quis see 156 n.
si . . . requiris. Notice that this conditional clause qualifies, not the action of the following verbs, but the mention of this action, its relation to the principal clause being the same as that noticed on 141, 159. Cf. R. § 657, Roby § 1573.