Collection of short alchemical tracts and extracts: in French and Latin, stated to have been written by Lascaris. On the first fly-leaf in a late 19th cent. hand: 'Manuscript par Lascaris philosophe-hermétique', below a small 16th cent. woodcut, pasted down, depicting a priest kneeling before an altar in a church. Fol. 3v contains 3 rough pen-drawings of alchemical symbolic subjects, in red and black. On fol. 37 is a pen-drawing of a tree. The headings to the second work are in red. (1) [Anon.] De la pierre des philosophes (ff. 3-65). (2) [Anon.] Grand Oeuvre (24 ll.). (3) [Anon.] Opus phisicum ex ... Marte et Venere (6 ll.). (4) [Anon.] Aureolae Sapientum philosophorum pro compositione lapidis eorum et metallorum (ff. 1-3). The title to this section is found on fol. 65v of the first work. (5) Fernelius (J.). Joannes Frenellus [sic] Lapis philosophicus (ff. 4-5). [Extract from 'De abditis rerum causis'.] (6) [Anon.] Un philosophe inconnu. Pour venir à la pratique (ff. 5-7). (7) La Chalade ( de). Manière d'ouvrer (ff. 7v-11). (8) [Penotus à Portu (B. G.)]. Regulae seu canones philosophici veri (ff. 11-17). (9) [Anon.] Sentences philosophiques choisies (ff. 17-19). (10) [Grasshof] (J.)]. Le lys entre les épines (ff. 19-21). (11) [Montanor (Guido de)]. Scala philosophorum (fol. 21v). [Beginning only.] (12) [Anon.] Questions sur la pierre philosophale extraites d'un livre transcrit à la main (3 ll.).