> [!cite] BHL link: this entry starts at [page 494](https://www.biodiversitylibrary.org/page/33066834) of TL-2 Vol. VII > Author links: [IPNI](https://www.ipni.org/a/11956-1) LSID 11956-1, [Wikidata](https://www.wikidata.org/wiki/Q21613325) QID Q21613325 > Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]] ### Author Youngken, Heber Wilkinson (1885-1963), American pharmacologist; studied pharmacy and natural sciences at Med. Chir. Coll. Philadelphia, Buchnell Univ. and Univ. of Pennsylvania 1903-1915; Dr. phil. Pennsylvania 1915; demonstrator of biology and pharmacy at Med. Chir. Coll. 1909; professor of botany and pharmacognosy at Philadelphia College of Pharmacy and Science 1911-1923; id. at Massachusetts College of Pharmacy, Boston, 1923-1951; research professor ib. 1951-1956; emeritus professor from 1956. **Abbreviated name**: *Youngken* \[standard form in IPNI: *Youngken*\] #### Herbarium and types [[Collection PENN|PENN]], [[Collection MCP|MCP]]. – *Letters* at [[Collection NY|NY]]. #### Bibliography and biography Barnhart 3: 534; BJI 2: 196; BL 1: 160, 325, 2: 8, 734; Hirsch p. 331; IH 1 (ed. 1): 13, (ed. 2): 26, (ed. 3): 29, (ed. 4): 31, (ed. 5): 23; Lenley p. 444; MW suppl. p. 409; Plesch p. 462; Roon p. 126; Tucker 3: 344. #### Biofile - Anon., Amer. men sci. eds. 3-10. 1921-1961; Index Amer. bot. lit. 1886-1966. 4: 597-598. 1969; New York Times 21 Jul 1963, p. 64 (d. 20 Jul 1963); Who's who Amer. 14-32. 1926-1963; Who was who Amer. 4: 1044. 1974. - Ewan, J., et al., Short hist. bot. U.S. 23, 150. 1969. - Hoch, J.H., Amer. J. pharm. Educ. 29: 161-162. 1965 (tribute). - Poggendorff, J.C., Biogr.-lit. Handw.-Buch 6(4): 2947. 1940. ### Publications ##### n.18.455. The comparative morphology, taxonomy and distribution of the Myricaceae **Title** *The comparative morphology, taxonomy and distribution of the Myricaceae* of the Eastern United States... (Thesis presented to the Faculty of the Graduate School of the University of Pennsylvania, May 8, 1915, in partial fulfilment of the requirements for the degree of Doctor of Philosophy)... Reprinted from Contributions from the Botanical Laboratory of the University of Pennsylvania... \[1915\]. Oct. **Abbreviated title**: *Comp. morph. Myricac.* **Notes** *Publ*.: 1915 (as thesis, 8 Mai 1915), cover-t.p., p. \[339\]-400, *pl. 81-90. Copy*: HH. – Preprinted from Contr. bot. Lab. Univ. Penn. 4(2): \[339\]-400, *pl. 81-90.* 1920. *Preliminary text* (same title): Amer. J. Pharm. 87: 391-398. Sep 1915. ##### n.18.456. Pharmaceutical botany **Title** *Pharmaceutical botany*... Philadelphia (P. Blakiston's Son & Co....) \[1914\]. **Abbreviated title**: *Pharm. bot.* **Notes** *Ed. I.* Feb 1914 (rd. at LC 18 Feb 1914), p. \[i\]-xi, \[1\]-106. *Copy*: LC. – Edited by Frank E. Stewart. *Ed. 2*: 1918, p. \[i\]-xvi, \[1\]-386. *Copy*: HH.- Philadelphia (P. Blakiston's Son & Co....) \[1918\]. Oct. *Ed. 3*: 1921, p. \[i\]-xix, \[xxi, err.\], \[1\]-479. *Copy*: HH. *Ed. 4*: n.v. *Ed- 5*: 1927 (n.v.) *Ed. 6*: 1938 (p. ix: Jun 1938), p. \[i\]-xxviii, 1-793. – *Copy*: G. – A college textbook of *Pharmaceutical Botany*... Philadelphia (The Blakeston Company) \[1938\]. *Ed*. 7: 1951 (p. viii: Sep 1950), p. \[i\]-xviii, 1-752. *Copy*: BR. – *Pharmaceutical Botany*.