> [!cite] BHL link: this entry starts at [page 109](https://www.biodiversitylibrary.org/page/33066449) of TL-2 Vol. VII
> Author links: [IPNI](https://www.ipni.org/a/11443-1) LSID 11443-1, [Wikidata](https://www.wikidata.org/wiki/Q21612289) QID Q21612289
> Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]]
### Author
Watt, John Mitchell (1892-1980), South African botanist, physician and pharmacologist; studied at Edinburgh (Dr. phil. 1916) and München universities; served in the Royal Army Medical Corps in the Middle East (World War I) and in the S. African Medical Corps (World War II); professor of pharmacology and therapeutics Univ. Witwatersrand 1921-1957; in retirement lecturing in Plymouth, England and Demonstrator, Dept. Physiology, Univ. Queensland, Brisbane, Australia.
**Abbreviated name**: *J.M. Watt* \[standard form in IPNI: *J.M.Watt*\]
#### Herbarium and types
[[Collection PRE|PRE]], [[Collection J|J]].
#### Bibliography and biography
Barnhart 3: 465; BFM 2886; BL 1: 54, 323.
#### Biofile
- Bullock, A.A., Bibl. S. Afr. bot. 127. 1978.
- Guillarmod, A.J., Fl. Lesotho 54, 65-66. 1971.
- Gunn, M. & L.E. Codd, Bot. explor. S. Afr. 371. 1981 (biogr. sketch, coll., portr., b. 1 Dec 1892, d. 23 Apr 1980).
### Publications
##### n.16.834. The medicinal and poisonous plants of Southern Africa
**Title**
*The medicinal and poisonous plants of Southern Africa* being an account of their medicinal uses, chemical composition, pharmacological effects and toxicology in man and animal... Edinburgh (E. & S. Livingstone...) 1932. Oct.
**Abbreviated title**: *Med..poison. pl. S. Afr.*
**Notes**
*Co-author*: Maria Gerdina Breyer-Brandwijk.
*Publ*.: 1932 (J. Bot. rev. Nov 1932; Kew Bull. rev. 2 Dec 1933), p. \[i-ii\], frontisp., \[iii\]-xx, \[1\]-314, *25 pl. Copies*: HH, USDA.
*Preliminary publ*.: S. Afr. J. Sci. 25: 227-236. Dec 1928, *The present position of our knowledge of S. African medicinal and poisonous plants.*
*Note*: Also: *The medicinal and poisonous plants of Southern and Eastern Africa*, Edinburgh-London, 1962, p. \[i\]-xii, \[1\]-1457. *Copy*: B. Peterson (actually a greatly enlarged second ed. of the above).