Lewis Short
(adjective) : collectānĕus (conl-), a, um, id.
* Gathered or collected together, collectaneous (very rare): aes,Plin. 34, 9, 20, § 97: Dicta collectanea, the title of a work of Caesar, now lost,Suet. Caes. 56 (perh. his Ἀποφθέγματα, mentioned by Cic., Fam. 9, 16, 4).—Hence, subst.: Collectānĕa, ōrum, n., the title of the collected works of Jul. Solinus.
Charlton T. Lewis, Charles Short, A Latin Dictionary