> [!cite] BHL link: this entry starts at [page 540](https://www.biodiversitylibrary.org/page/33190011) of TL-2 Vol. IV > Author links: [IPNI](https://www.ipni.org/a/8086-1) LSID 8086-1, [Wikidata](https://www.wikidata.org/wiki/Q1714544) QID Q1714544 > Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]] ### Author Radius, Justus Wilhelm Martin (1797-1884), German (Saxonian) physician and botanist; practicing physician and professor of medicine at the University of Leipzig, director of the "medicinische Gesellschaft" in Leipzig. **Abbreviated name**: *Radius* \[standard form in IPNI: *Radius*\] #### Herbarium and types Some material at [[Collection CGE|CGE]]. #### Bibliography and biography Barnhart 3: 123 (b. 14 Nov 1797, d. 7 Mar 1884); BM 4: 1637; Herder p. 318; Hortus 3: 1202; Kew 4: 388; PR 7393, ed. 1: 8300-8301; Rehder 2: 657; Tucker 1: 575. #### Biofile - Anon., Bonplandia 3: 33 1855, 6: 50. 1858 (cogn. Leopoldina Ludwigius). #### Eponymy *Radiusa* H.G.L. Reichenbach (1828) was probably named for this author. ### Publications ##### n.8503. De Pyrola et Chimophila **Title** *De Pyrola et Chimophila* specimen primum botanicum. Dissertatio quam amplissimi philosophorum ordinis auctoritate... h.c. die x. mens. mart. a.r.s. mdcccxxi illustris ictorum ordinis venia in auditorio juridico publice defendet Justus Radius... Lipsiae \[Leipzig\] 1821. Qu. **Abbreviated title**: *Pyrola & Chimophila*. **Notes** *Specimen primum*, thesis issue, 10 Mar 1821, p. \[i-iii\], \[1\]-39, \[40, theses\], *pl. 1-5* (uncol. liths.). *Copies*: HH, NY, USDA. *Specimen primum, commercial issue*: 1821, p. \[i\], \[1\]-39, *pl. 1-5* (id.). *Copies*: G(2), HH, M, NY, WU. – "Dissertatio de Pyrola et Chimophila..." Lipsiae (apud Hartmannum) 1821. Qu. *Specimen secundum medicum*: 11 Jul 1829, p. \[i\], \[1\]-33. *Copy*: HH. –"... Dissertatio qua ad audiendam orationem professionis medicae extraordinariae adeunda causa h. et l. const. die xi. mensis Julii a. mdcccxxix habendam observatissime invitat Justus Radius..." Lipsiae (literis Hirschfeldi). *Specimen secundum, commercial issue*: 1829, p. \[i\], \[1\]-33. *Copies*: NY, USDA, WU. – Lipsiae (apud Leopoldum Voss) 1829. Qu. *Ref*.: Nees von Esenbeck, CG., Flora 5(2): 12-16. 1822. - Sprengel, K., Neue Entd. 3: 294-296. 1822.