> [!cite] BHL link: this entry starts at [page 125](https://www.biodiversitylibrary.org/page/33260113) of TL-2 Suppl. VI
> Author links: [IPNI](https://www.ipni.org/a/32985-1) LSID 32985-1, [Wikidata](https://www.wikidata.org/wiki/Q36553538) QID Q36553538
> Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]]
### Author
Ducellier, François Charles (1866-1940), Swiss physician and botanist, born at Carouge, Genève, 17 Jun 1866, studied first medicine in Genève, later in Paris (1887-1893), returned to Genève and practised there, retired from his practise during WW I and devoted himself from that time to the study of Desmidiaceae, died 24 Feb 1940 at Genève.
**Abbreviated name**: *F. Ducell.* \[standard form in IPNI: *F.Ducell.*\]
#### Herbarium and types
Unknown.
#### Bibliography and biography
Barnhart 1: 474; Kew 2: 130.
#### Biofile
- Bocquet, G., Musées de Genève 41: 18-19. Jan 1964 (Algologue et Médecin, portr., text).
- Briquet, J., Biogr. botanistes à Genève, Ber. Schweiz. bot. Ges. 50a: 217-218. 1940.
- Fuchs, H.P., Bull. Murith. 109: 137-138. 1991 (biogr.).
- Prescott, G.W., Bibl. Desmid. Univ. 132-133. 1984.
### Publications
##### n.31.741. Étude
**Title**
*Étude* critique sur quelques *Desmidiacées* récoltes *en Suisse* de 1910 à 1914... Genève (Georg & Cie., Éditeurs...) 1914. Oct.
**Notes**
*Publ*.: 30 Jun 1914 (in journal, read 9 Feb 1914), cover-t.p., p. \[1\]-47, expl. fig. added loose \[1\]. *Copies*: B, G(2). – Reprinted and to be cited from Bull. Soc. bot. Genève ser. 2. 6(2): 33-78. 1914.
##### n.31.742. Catalogue
**Title**
*Catalogue* des *Desmidiacées* de la Suisse et de quelques localités frontières... Genève (Georg & Cie., Éditeurs...) 1914. Oct.
**Notes**
*Publ*.: 20 Jul 1914 (date on p. \[68\]), cover-t.p., p. \[1\]-67, \[68\]. *Copies*: B, G, NY. – Reprinted and to be cited from Annu. Cons. Jard. bot. Genève 18: 1-67. 1914.
*Follow-up*: 1914: Adjonctions au catalogue des Desmidiacées de la Suisse *in* Bull. Soc. bot. Genève ser. 2. 6: 136-137. 1914. – No reprint seen.
*Ref*.: Matouschek, F., Bot. Centralbl. 140(25): 388. 24 Jun 1919 (rev.).
##### n.31.743. Note
**Title**
*Note* sur un nouveau *Coelastrum*... \[Bull. Soc. bot. Genève... 1915\]. Oct.
**Notes**
*Publ*.: 30 Aug 1915 (in journal, read 12 Apr 1915), cover-t.p., p. \[1\]-2. *Copies*: B, G. – Reprinted and to be cited from Bull. Soc. bot. Genève ser. 2. 7(3/4): 73-74. 1915.
##### n.31.744. polymorphisme
**Title**
Contribution à l'étude du *polymorphisme* et des monstrosités chez les *Desmidiacées* ... Genève (Bull. Soc. bot. Genève)... 1915. Oct.
**Notes**
*Publ*.: 30 Aug 1915 (in journal, read 12 Apr 1915), cover-t.p., p. \[1\]-44, 32 vignettes, *3 pl*.
*Copies*: B, G. – Reprinted and to be cited from Bull. Soc. bot. Genève ser. 2. 7(3/4): 75-118, *3 pl*. 1915.
*Ref*.: Matouschek, F., Bot. Centralbl. 138(6): 86. 6 Aug 1918 (rev.).
##### n.31.745. flore desmidiologique
**Title**
Contribution à l'étude de la *flore desmidiologique* de la *Suisse*... première partie... Genève (Librairie Georg & Cie., Éditeurs... 1916\[-1918\]). Oct.
**Notes**
*Publ*.: 20 Jul 1916 (in journal, read 13 Dec 1915), cover-t.p., p. \[1\]-51. *Copies*: B, G, NY. – Reprinted and to be cited from Bull. trav. Soc. bot. Genève ser. 2. 8(1-3): 29-79. 1916.
*Deuxième partie*: 30 Sep 1918 (in journal, read 2 Mai 1917), cover-t.p., p. \[51\]\[sic\]-120, \[1\]-4 (index). *Copies*: B, G, NY. – Id. ser. 2. 10(1-4): 85-154. 1918 (also paged \[1\]-70).
*Ref*.: Matouschek, F., Bot. Centralbl. 138(3): 38. 16 Jul 1918 (rev.). \[*Troisième partie*\]: 1918, p. \[1\]-4. *Copy*: G. – This is a general index to both above-mentioned parts, not included in the journal!
##### n.31.746. Notes
**Title**
*Notes* sur le *Pyrénoide*... \[Extrait du Bulletin de la Société Botanique de Genève... 1917\]. Oct.
**Notes**
*Publ*.: 20 Jun 1917 (in journal, read 12 Feb 1917), p. \[1, identif.\], \[3\]-11. *Copies*: B, G, NY. – Reprinted and to be cited from Bull. Soc. bot. Genève ser. 2. 9(1-3): 36-44. 1917.
##### n.31.747. Trois Cosmarium
**Title**
*Trois Cosmarium* nouveaux de notre flore helvétique... \[Extrait du Bulletin de la Société Botanique de Genève... 1918\]. Oct.
**Notes**
*Publ*.: 30 Sep 1918 (in journal, read 22 Mai 1917), cover-t.p., p. \[1\]-7. *Copies*: B, G, NY. – Reprinted and to be cited from Bull. Soc. bot. Genève ser. 2. 10(1-4): 12-16. 1918.
##### n.31.748. Étude
**Title**
*Étude* critique sur *Euastrum ansatum* Ralfs et quelques-unes de ses variétés helvétiques... Extrait du Bulletin de la Société Botanique de Genève... 1918. Oct.
**Notes**
*Publ*.: 30 Sep 1918 (in journal, read 22 Mai 1917), cover-t.p., p. \[1\]-12. *Copies*: B, G(3), NY. – Reprinted and to be cited from Bull. Soc. bot. Genève ser. 2. 10(1-4): 35-46. 1918.
##### n.31.749. Desmidiacées nouvelles
**Title**
Deux *Desmidiacées nouvelles*... Extrait du Bulletin de la Société Botanique de Genève... 1919. Oct.
**Notes**
*Publ*.: 1 Nov 1919 (in journal), cover-t.p., p. \[1\]-5. *Copies*: B, G, NY. – Reprinted and to be cited from Bull. Soc. bot. Genève ser. 2. 11(1-4): 117-121. 1919.