> [!cite] BHL link: this entry starts at [page 197](https://www.biodiversitylibrary.org/page/33259243) of TL-2 Suppl. V
> Author links: [Wikidata](https://www.wikidata.org/wiki/Q17630857) QID Q17630857
> Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]]
### Author
Demerson, L. (17..-18..), French botanist with L. Demerson being a pseudonym or a later name of L(ouis) Hanin \[TL-2/2: 45\], born in Metz, "chevalier de l'ordre royal de la Légion-d'Honneur".
**Abbreviated name**: *Demerson*
#### Herbarium and types
Unknown.
#### Bibliography and biography
BM 1: 439; MD p. 84-86; Plesch p. 195, PR 2153, ed. 1: 2434; Rehder 1: 85, 3: 582.
#### Note
Main source for L. Demerson is by W.D. Margadant, *Early bryological literature*, Meded. Bot. Mus. Herb. Rijksuniv. Utrecht no. 283. Jun 1968.
### Publications
##### n.29.741. botanique enseignée en vingt-deux leçons
**Title**
La *botanique enseignée en vingt-deux leçons*. Ouvrage dans lequel sont exposés, les éléments et les principes relatifs à cette science et orné de onze planches coloriées... Paris (P. Persan et Cie, éditeurs...) 1825. 12-mo.
**Abbreviated title**: *Bot. enseign. 22-leçons*.
**Notes**
*Publ*.: 1825 ("1-re éd."), p. \[i\*-ii\*\], col. frontisp., \[i\]-xvi, \[1\]-462, *pl. 1-10* (col. copp. engr.).
*Copies*: BM, Plesch.
*Ed. 2*: Paris 1826 (n.v.). – See note by Margadant p. 85, see also Plesch, p. 195: p. \[i\]-xvi, \[1\]-462, *11 pl*. – *Note*: Title is engraved.
*Ed. 3*: 1827, p. \[i\*-ii\*\], col. frontisp., \[1\]-498, *pl. 10* (col. copp. engr.). *Copies*: BM, BR, NY. – *Note*: Title is engraved.