A Grammatical Dictionary of Botanical Latin

illustris,-e (adj.B), compar. illustrior,-ius (adj.B); superl. illustrissimus,-a,-um (adj.A): “celebrated” (Stearn); “clear, bright,lustrous, lighted up; distinct, evident, clear, plain [syn. clarus]; respectable, famous, honorable, eminent, illustrious, distinguished; in association with people’s names or their publications, abbreviated ‘ill.;’ cf. eximius,-a,-um (adj.A);

- South Port, Tasmaniae. Stuart. Alibique in terra Van Diemen ex ill. J. Hooker (Muell.), South Port, of Tasmania. Stuart. And elsewhere in Van Diemen territory according to the celebrated J. Hooker.

- [Goodenia Nicholsonii.] stirpem decoram illustri Carolo Nicholson, Equiti, M.D., LL.D., D.C.L., Universitatis Sydneyensis Cancellario offero (F. Mueller), I present the beautiful plant to the honorable Carl Micholoson, Knight, M.D., LL.D., D.C.L., Chancellor of the University of Sydney.

- South Port, Tasmaniae. Stuart. Alibique in terra Van Diemen ex ill. J. Hooker (F. Mueller), South Port, Tasmania. Stuart. and elsewhere in Van Diemen land by the illustrious J. Hooker.

- descriptio quam dedit Ill. JACQUIN (amer.234.) bona, cui vero addere licet sequentes circa characterem animadversiones (Swartz), the description which the most eminent Jacquin (amer. 234) gave was a good one, [with which] one may with certainty truly augment the following observations concerning the character.

- Petrus Franciscus Riccius Flor. Senat. Sacri, & Illustrissimi Ordinis Equestris Divi Stephani Praeses (Mich.), Peter Francis Riccio Florentine [Florentinus] Senator, [Governor] of the holy and most eminent Equestrian Order of Saint Stephen.

- Buccaferrea ab Illustrissimo Domino Comite Camillo Antonio Buccaferro Patritio, ac Senatore Bononiensi; omnium bonarum artium cultore, & fautore eximio (Tourn.), [the genus] Buccaferrea from the Most Celebrated Lord Count Camillo Antonio Buccaferro Patritio [Patrician?], and senator of Bologne; supporter and distinguished patron of all the good [i.e. liberal] arts.

NOTE: ill. or Ill. (abbrev.): illustris,-e (adj.B), q.v., “celebrated” (Stearn); superl. illustrissimus,-a,-um (adj.A), most celebrated; see ‘ill.’

NOTE: the abbreviation –mi (masc. gen.sg.) may represent the superlative of an adjective: -issimus,-a,-um (adj.A): illustrissimi = ill. mi (masc. gen.sg.), most celebrated [man]; see ‘ill.’

- per manus ill. mi ac ex. mi Aloysii de Vasconcellos & Souza, by the hand of the most illustrious [illustrissimi] and most expert [eximissimi] Aloysius de Vasconcelos et Sousa.