> [!cite] BHL link: this entry starts at [page 145](https://www.biodiversitylibrary.org/page/33068387) of TL-2 Vol. II > Author links: [IPNI](https://www.ipni.org/a/12538-1) LSID 12538-1, [Wikidata](https://www.wikidata.org/wiki/Q5799101) QID Q5799101 > Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]] ### Author Hellenius, Carl Niclas (from 1816 adl. von Hellens) (1745-1820), Finnish botanist, professor of economics and natural history at Åbo 1793-1816. **Abbreviated name**: *Hell.* \[standard form in IPNI: *Hell.*\] #### Herbarium and types Destroyed almost completely in the great fire of Turku (Åbo); remaining part at [[Collection H|H]]. *Ref*.: Kukkonen, I. & Viljamaa, K., Herb. Christ. Steven 53. 1971; Ann. Bot. Fenn. 10: 309-336. 1973. #### Bibliography and biography AG 3: 603; Barnhart 2: 153; BM 2: 818; CSP 3: 264; Dryander 5: 276; GR p. 617; Kew 2: 638; KR p. 283; LS 11772; MW p. 166; PR 3934-3943 (ed. 1: 4318-4331); Rehder 5: 379-380; Saelan p. 161-164; TR 521-530. - Collander, R., Hist. bot. Finland 14. 1965. - Eriksson, G., Bot. hist. Sverige 283. 1969. - Fries, Th. M., Bref Skrifv. Linné 1(5): 221, 236. 1911. - Hjelt, O. E. A., Naturhistoriens studium i Finland, Helsingfors 1868, p. 168-174 (incl. bibliography, p. 169-174); Naturalhistoriens studium vid Åbo universitet, Helsingfors 1896, p. 327-359 etc. - Scheutz, N. J. W., Bot. Not. 1863: 69. - Urban, I., Symb. ant. 1: 67. 1898. #### Eponymy *Hellenia* A. J. Retzius (1791); *Hellenia* Willdenow (1797). #### Handwriting Ann. bot. fenn. 10: 333. 1973. ### Publications ##### n.2609. Hypericum **Title** D.D. *Hypericum*, quod, dissertatione botanico-medica, consens. exper. facult. med. upsal. praeside viro nobilissimo atque generosissimo, D: no Doct. Carolo à  Linné,... pro gradu doctoris, in audit. Carol. maj. die 20 nov. a. 1776. Horis a. et p.m. solitis. Exhibet Carolus Nicol. Hellenius, Tavastia-Fenno, mag. doc. ad reg. acad. aboënsem. Upsaliae \[Uppsala\] (typis Edmannianis) s.d. \[1776\]. Qu. **Abbreviated title**: *Hypericum*. **Notes** *Orig. ed*.: 20 Nov 1776, p. \[i-iv\], \[1\]-14, *1 pl*. (uncol. copper engr. of drawings by Joh. Afzelius). *Copies*: MICH, MO, NY. – Accepted by Krok as having been written by Hellenius, in view of the late date. Carl von Linné fil. acted as praeses on behalf of his father. (Egenhändiga Anteckningar af Carl Linnaeus 155. 1823) (SO 2459). *Note*: last dissertation defended under Linnaeus. *Reprint*: *in* Linnaeus, Amoen. acad., ed. Schreber, 8 (no. 171): 318-332. 1785 (SO 1313). ##### n.2610. Dissertatio **Title** D.D. *Dissertatio* academica *sistens hortum academiae aboensis*, cujus partem primam, venia amplissimae facultatis philosophicae in regio academia aboënsi, publico examini submittunt Carolus Nic. Hellenius,... ex Josephus Mollin, stipend, reg. ostrobotniensis, in auditorio majori die xix junii mdcclxxix, h.p.m.s. Aboae \[Abo, Türkü\] (impressa apud viduam reg. acad. typ. J. C. Frenckell) s.d. 1779. Qu. **Abbreviated title**: *Diss. hort. abo.* **Notes** *Publ*.: 19 Jun 1779, p. \[i-iv\], \[1\]-30. *Copies*: H, NY. – This is the first of a series of eight dissertations with this title, as follows (*copies* at NY): |pars |(1) author, (2) co-defend. |pagination |date| |--- |--- |--- |--- | |1 |Josephus Mollin (2) |\[i-iv\], \[1\]-30 |19 Jun 1779| |2 |Joh. Fedr. Wallenius (1),<br/>Carolus Fredericus Kunckel (2) |\[i-ii\], 32-48 |15 Jun 1803| |3 |Joh. Fredr. Wallenius (1),<br/>Josephus Ikalén (2) |\[i-ii\], 49-61 |5 Dec 1804| |4 |Fredr. Wilh. Radloff (1),<br/>Gustavus Eriksson (2) |\[i-iii\], 65-72 |17 Dec 1807| |5 |Fredr. Wilh. Radloff (1),<br/>Nicolaus Abrahamus Ursin (2) |\[i-iii\], 73-81 |17 Dec 1807| |6 |Laur. Joh. Prytz (1),<br/>Petrus Adolph. Bonsdorff (2) |\[i-ii\], 83-97 |11 Jun 1814| |7 |Laur. Joh. Prytz (1),<br/>Matthias Baeck (2) |\[i-ii\], 98-111 |11 Jun 1814| |8 |Laur. Joh. Prytz (1),<br/>Christoph. Rud. Hjertman (2) |\[i-iii\], 112-125 |15 Jun 1814| ##### n.2611. de Hippuride **Title** D.A.G. Dissertatio botanico *de Hippuride*. Quam cons. ampl. fac. philos. aboëns. praeside Dn. Carolo Nicol. Hellenio,... pro laurea publico examini modeste submittit Carolus Reginaldus Brander satacundensis. In auditorio majori die \[xxii, in ink or pencil\] Februarii anni mdcclxxxvi, horis ante meridiem consvetis. Aboae (typis viduae R. Acad. Typogr. J. C. Frenckell) \[1786\]. Qu. **Abbreviated title**: *De Hippuride*. **Notes** *Publ*.: 22 Feb 1786 (date defense thesis), p. \[1\]-21, *1 pl. Copies*: H, NY. – Reprinted: Usteri, *Delectus opusculorum botanicorum* 1: 1-22. 1790. ##### n.2612. de Evonymo **Title** D.D. Dissertatio botanica *de Evonymo*. Quam consens. ampliss. facult. philosoph. in reg. Acad. aboënsi, praeside Dn. Carolo Nicol. Hellenio,... pro laurea publico examini tradit Carolus Ascholin satacundensis. In auditorio majori die \[xxv.\] februarii anni mdcclxxxvi, horis ante meridiem solitis. Aboae (typis viduae R. Acad. Typogr. J. C. Frenckell) s.d. \[1786\]. Qu. **Abbreviated title**: *De Evonymo*. **Notes** *Publ*.: 25 Feb 1786 (date defense thesis), p. \[1\]-25, *1 pl. Copies*: H, NY. – Reprinted: Usteri, *Delectus opusculorum botanicorum* 1(5): 81-104. 1790. ##### n.2613. de Tropaeolo **Title** Q.F.S.F.Q. Dissertatio botanica *de Tropaeolo*. Quam consent. ampl. facult. philos. aboëns. praeside d: no Car. Nicol. Hellenio..., pro gradu publico examini subjicit, Axelius Fredericus Laurell,... in auditorio majori die xiii junii an. mdcclxxxix, h.p.m.c. Aboae \[Åbo, Türkü\] (typis Frenckellianis) \[1789\]. Qu. **Abbreviated title**: *De Tropaeolo*. **Notes** *Publ*.: 13 Jun 1789, p. \[i-ii\], \[1\]-26, *1 pl*. (uncol. copp.). *Copies*: H, NY. ##### n.2614. de Cichorio **Title** D.D. Dissertatio botanicae *de Cichorio*. Quam, consent. ampl. facult. philos. aboëns. praeside D: no Car. Nicol. Hellenio,... publico examini subjicit Henricus Nelly, Svio-Gothius, in auditorio majori die xxx maji an. mdccxcii. h.a.m.c. Aboae \[Åbo, Türkü\] (typis Frenckellianis). s.d. \[1792\]. Qu. **Abbreviated title**: *De Cichorio*. **Notes** *Publ*.: 30 Mai 1792, p. \[i-ii\], \[1\]-18. *Copy*: NY.