Harleian 1585. British Museum. _12th century._ De viribus herbarum. Harleian 4346. British Museum. (In verse, commonly ascribed to Macrus.) _12th century._ Macer de viribus herbarum. Sloane 84. British Museum. _12th century._ De viribus herbarum. Liber Omad. Digby 13 (VII). Bodleian. (It is not known who Omad was.) _12th century._ Macer de virtutibus herbarum. Digby 4 (XI). Bodleian. (The last folio is in thirteenth-century hand.) _12th century._ Macer de virtutibus herbarum. Library of Lincoln Cathedral. _12th century._ Herbarium Apuleius. Library of Eton College. _12th or 13th century._ De negociis specierum. Inc. circa instans negocium in simplicibus. Trinity College, Cambridge. _13th century._ Epistola antonii muse ad agrippam de herba betonica. Gonville and Caius College, Cambridge. _13th century._ Antonii Musæ libellus de virtutibus herbæ betonicæ. Ashmole 1462 (VIII). Oxford. _13th century._ [Synopsis libelli Antonii Musæ.] Ashmole 1462 (II). _13th century._ Synopsis Herboralii Apuleii. Ashmole 1462 (III). _13th century._ Herboralium Apuleii Platonis. Ashmole 1462 (IX). (The names of the herbs are given in English in rubric by a hand of the fourteenth century.) _13th century._ Herbarium apuleii platonici. Gonville and Caius College, Cambridge. _13th century._ Aemilii Macri de viribus Herbarum. Royal 12 B. British Museum. _13th century._ Aemilii Macri Carmen de viribus herbarum. Ashmole (1398. II. v). _13th century._ Liber Macri de viribus Herbarum. Ee. VI. 39. II. Cambridge University Library. _Late 13th century._ Aemilii Macri de Herbarum viribus. (Formerly belonged to St. Augustine's Abbey, Canterbury.) Royal 12 E. XXIII. (III). British Museum. _Late 13th century._ Liber Macri de Naturis herbarum. Kk. IV. 25. (XVI). Cambridge University Library. _13th (?) century._ Liber Macri de viribus herbarum. 438 (III). Corpus Christi College, Cambridge. _13th century._ De simplicibus medicinis. 505 (II. 2). Corpus Christi College, Cambridge. _13th century._ Poema de virtutibus herbarum macro vulgo adscriptum. Arundel 283 (I). British Museum.