> [!cite] BHL link: this entry starts at [page 223](https://www.biodiversitylibrary.org/page/33264950) of TL-2 Suppl. I > Author links: [IPNI](https://www.ipni.org/a/357-1) LSID 357-1, [Wikidata](https://www.wikidata.org/wiki/Q514668) QID Q514668 > Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]] ### Author Babcock, Ernest Brown (1877-1954), American botanist, born in Edgerton, Wisc., came to California 1896, educated at the Los Angeles Normal School and the University of California, B.S. 1905, assistant at the Biological Faculty ib. 1907, chairman of the Division of Genetics, College of Agriculture ib. 1913-1947, studied Crepis from a genetic and evolutionary point of view, L.L.D. Univ. California 1947. **Abbreviated name**: *Babc.* \[standard form in IPNI: *Babc.*\] #### Herbarium and types [[Collection UC|UC]]. – Further material at [[Collection B|B]] (*Crepis*), [[Collection G|G]] (id.), [[Collection GH|GH]]. – Field notes at [[Collection UC|UC]]. #### Bibliography and biography Barnhart 1: 96 (b. 10 Jul 1877, d. 8 Dec 1954); Hortus 3: 1187; IH 2: 47; Kew 1: 109-111; NW p. 39; TL-2/5: 12.848, 12.852, 12.856, 12.858, see also W.A. Setchell; Tucker 1: 764; Urban-Berl. p. 326. #### Biofile - Bullock, A.A., Bibl. S. Afr. bot. 5. 1978. - Ewan, J. et al., Leafl. W. Bot. 7(3): 76. 1953; Short hist. bot. U.S. 56, 65, 111, 113. 1969. - Hagen, J.B., Taxon 32(3): 409. 1983 (general discussion exp. taxonomy). - Stebbins, G.L., Madroño 13(3): 81-83. 1955 (obit., portr., b. 10 Jul 1877, Edgerton, Wisc., d. 8 Dec 1954, Berkeley, Calif.); Biogr. Mem. Natl. Acad. Sci., Washington D.C. 32: 50-66, *2 portr*. 1958 (biogr., bibl. on p. 58-66). - Thomas, J.H., Huntia 3: 31. 1969 (expl. Calif.). - Verdoorn, F., Chron. bot. 1: 44, 120, 283, 284. 1935, 2: 42, 294, 299, 300, 303, 375. 1936, 3: 266, 267. 1937, 5: 108, 122, 313, 359, 361, 370. 1938. #### Outside our period *The genus Crepis*. The taxonomy, phylogeny, distribution, and evolution, systematic treatment, Berkeley 1947, 2 vols., 1040 p., *36 pl*. Oct. – See also *Supplementary notes on Crepis* I, *in* Travaux botaniques dédié à René Maire, Alger, Mai 1949, p. 9-19, *pl. 1-2* with text (Mém. Soc. Hist. nat. Afr. Nord 20. 1949. *Copy reprint*: B). #### Composite works - (1) With G.L. Stebbins, *The genus Youngia* 1937, TL-2/12.848. - (2) With id., *Amer. sp. Crepis* 1938, TL-2/12.852, Babcock senior author. - (3) With id., *The effect of polyploidy*... 1939, TL-2/12.856. - (4) With id., *Systematic studies in the Cichorieae*... 1943, TL-2/12.858. - (5) *in* T.H. Goodspeed, *Essays in geobotany*, p. 9-54. 1936: *The origin of Crepis and related genera*. ### Publications ##### n.19.756. Studies in Juglans **Title** *Studies in Juglans* I-III... University of California Publications in Agricultural Sciences... 1913-1916. Oct. **Notes** *1*: 4 Dec 1913 (in journal), cover-t.p., p. \[1\]-46, *pl. 1-12.* – Issued as Univ. Calif. Publ., Agr. Sci. 2(1). 1913. *2*: 31 Oct 1914 (in journal), cover-t.p., p. \[47\]-70, *pl. 13-19.* – Id. 2(2). 1914. *3*: 20 Sep 1916 (in journal), p. \[71\]-80, *pl. 20-21.* – Id. 2(3). 1916. *Copies*: L., U. ##### n.19.757. Genetics in relation to agriculture **Title** *Genetics in relation to agriculture*... New York (McGraw-Hill Book Company...) London (Hill Publishing Co.,...) 1918. Oct. **Abbreviated title**: *Genetics agriculture*. **Notes** *Co-author*: Roy Elwood Clausen (1891-1956). *Publ*.: 1918, p. \[i-ii\], frontisp. (*pl. 1*), \[iii-v\], \[ix\]-xx, 1-675, *pl. 2-4* (col.). *Copies*: NY, U. *Ed. 2*: 1927 (MO rd. 28 Jan 1928, copyright 1927), p. \[i\]-xiv, \[1\]-673, *pl. 1-3* (col.). *Copies*: MO, NY. – Parts i and iii revised by Clausen, part ii by Babcock. ##### n.19.758. Interspecific hybrids in Crepis **Title** *Interspecific hybrids in Crepis* I. Crepis capillaris (L.) Wallr. x C. tectorum L.... Berkeley (University of California Press) 1920. Oct. **Notes** *Co-author*: Julius Lloyd Collins (1889-?). *1: 19 Oct 1920* (in journal), cover-t.p., p. \[191\]-204, *pl. 36-38* (uncol. phot.). *Copies*: B, L, U. – Reprinted and to be cited from Univ. Calif. Publ. Agr. Sci. 2(5): 191-204, *pl. 36-38.* 1920. *Abstract*: Nov 1920 (in journal), cover-t.p., p. \[670\]-673. *Copy*: L. – Reprinted and to be cited from Proc. Natl. Acad. Sci. 6(11): 670-673. 1920. ##### n.19.759. Bud selection **Title** *Bud selection* and the frequency of mutations... Reprint from the Monthly Bulletin ... Sacramento, Calif. 1921. Oct. **Notes** *Publ*.: Apr 1921 (in journal), p. \[137\]-140. *Copy*: B. – Reprinted and to be cited from Monthly Bull. Calif. State Dept. Agr. 10(4): 137-140. 1921. ##### n.19.760. A case of duplicate genes **Title** *A case of duplicate genes* in Crepis capillaris (L.) Wallr.... Reprinted from Science ... 1922. Qu.(form.) **Notes** *Co-author*: Julius Lloyd Collins (1889-?). *Publ*.: 6 Oct 1922 (in journal), p. 1-2. *Copy*: B. – Reprinted and to be cited from Science 56(1449): 392-393. 1922. *Followed by*: *Inheritance of glandular pubescence* in Crepis capillaris (L.) Wallr., by E.B. Babcock and J.L. Lloyd, Science 56(1449): 393. 6 Oct 1922 (p. 3 of reprint). ##### n.19.761. Remarkable variations in Tarweeds **Title** *Remarkable variations in Tarweeds*... Reprinted... from the Journal of Heredity... 1924. Oct. **Notes** *Publ*.: Mar 1924 (date in journal and on t.p. reprint), p. \[i, t.p., ii, photo\], 133-144. *Copy*: B. – Reprinted and to be cited from J. Heredity 15(3): 133-144. 1924. ##### n.19.762. Genetics and plant taxonomy **Title** *Genetics and plant taxonomy*... Reprinted from Science... 1924. Qu.(form.). **Notes** *Publ*.: 11 Apr 1924 (in journal), p. \[1\]-2. *Copy*: G. – Reprinted and to be cited from Science 59(1528): 327-328. 1924. ##### n.19.763. Species hybrids in Crepis **Title** *Species hybrids in Crepis* and their bearing on evolution... Reprinted from the American Naturalist... 1924. Oct. **Notes** *Publ*.: Jul-Aug 1924 (in journal), p. 296-310. *Copy*: B. – Reprinted and to be cited from Amer. Naturalist 58: 296-310. 1924. ##### n.19.764. Species of Crepis **Title** *Species of Crepis*... Reprinted from Science... 1914. Qu.(form.) **Notes** *Publ*.: 22 Aug 1924 (in journal), p. \[1\]. *Copy*: B. – Reprinted and to be cited from Science 60(1547): 175-176. 1924. ##### n.19.765. Hemizonia congesta **Title** *Hemizonia congesta* a genetic, ecologic, and taxonomic study of the hay-field tarweeds... Berkeley, Calif. (University of California Press) 1924. Oct. **Notes** *Co-author*: Harvey Munroe Hall (1874-1932), see TL-2/2: 18-19. *Publ*.: 31 Dec 1924, cover-t.p., p. \[i-ii\], \[15\]-100, *pl. 1-7* (uncol. phot.). *Copies*: G, L. – Reprinted and to be cited from Univ. Calif. Publ. Bot. 13(2): 15-100, *pl. 1-7.* 1924. ##### n.19.766. Chromosome number **Title** *Chromosome number* and individuality in the genus *Crepis*. II. The chromosomes and taxonomic relationships... University of California Publications in Agricultural Sciences ... 1926. Oct. **Notes** *Co-author*: Margaret Mann Lesley (Margaret Campbell Lesley, née Mann) (1891-x); sole author of part I of *Chromosome number... Crepis*: A comparative study of the chromosome number and dimensions of nineteen species, Univ. Calif. Publ. Agr. Sci. 2(10): 297-314, *pl. 53.* Mar 1925. *Publ*.: 6 Mar 1926 (in journal), cover-t.p., p. \[315\]-341. *Copies*: G, L, U. – Univ. Calif. Publ. Agr. Sci. 2(11): 315-341. 1926. ##### n.19.767. New species of Crepis **Title** *New species of Crepis* from southern Asia... Berkeley, California (University of California Press) 1928. Oct. **Notes** *Publ*.: 3 Dec 1928 (date on p. \[ii\]; Nat. Nov. Mar 1929), cover-t.p., p. \[i-ii\], \[323\]-333. *Copies*: B, G, U. – Reprinted and to be cited from Univ. Calif. Publ. Bot. 14(13): 323-333. 1928. ##### n.19.768. Meiosis in **Title** *Meiosis in* two species and three hybrids of *Crepis* and its bearing on taxonomic relationship... University of California Publications in Agricultural Sciences... 1929. Oct. **Notes** *Co-author*: Jens Christian Clausen (1891-1969). *Publ*.: 8 Mai 1929 (in journal), cover-t.p., p. \[i-ii\], \[401\]-432, *pl. 58-61* (uncol.). *Copies*: KNAW, L, U. – Reprinted and to be cited from Univ. Calif. Publ. Agr. Sci. 2(15): 401-432, *pl. 58-61.* 1929. ##### n.19.769. Chromosomes and phylogeny in Crepis **Title** *Chromosomes and phylogeny in Crepis*... Berkeley, California (University of California Press) 1930. Oct. **Abbreviated title**: *Chromos. phylog. Crepis*. **Notes** *Senior author*: \[Edna\] Lillian Hollingshead (1900-x), married 7 Sep 1931 Forest Frank Hill. \[*1*\]: 4 Jan 1930 (p. ii), cover-t.p., p. \[i-ii\], \[1\]-53. *Copy*: U. – Issued as Univ. Calif. Publ. Agr. Sci. 6(1): 1-53. 1930. *2*: 11 Oct 1934 (p. ii), cover-t.p., p. \[i-ii\], 287-324. *Copy*: U. – Id. 6(11): 287-384. 1934. *Authorship*: Babcock, senior author, with Donald Ross Cameron (1907-x). – II. The relationships of one hundred eight species. *3*: 30 Nov 1943 (p. ii), cover-t.p., p. \[i-iii\], 241-292. *Copy*: U. – Id. 18(12): 242-292. 1943. *Authorship*: Babcock, senior author, with James Angus Jenkins (1904-x). – III. The relationship of one hundred and thirteen species. ##### n.19.770. The genus Crepis **Title** *The genus Crepis*... Reprint from Bibliographia genetica... The Hague (Martinus Nijhoff) 1930. Oct. **Notes** *Publ*.: 1930, cover-t.p., p. \[1\]-90. *Copy*: L. – Reprinted and to be cited from Bibl. genet. 6: 1-90. 1930. ##### n.19.771. Cytogenetics and the species-concept **Title** *Cytogenetics and the species-concept*... The American Naturalist... 1931. Oct. **Notes** *Publ*.: Jan-Feb 1931, p. 5-18. *Copy*: B (mimeographed!). – Reprinted and to be cited from Amer. Naturalist 65(696): 5-18. 1931. ##### n.19.772. Genetic evolutionary processes **Title** *Genetic evolutionary processes*... Reprinted from the Proceedings of the National Academy of Sciences... 1934. Oct. **Notes** *Publ*.: Sep 1934 (in journal), cover-t.p., p. \[510\]-515. *Copy*: G. – Reprinted and to be cited from Proc. Natl. Acad. Sci. 20(9): 510-515. 1934. ##### n.19.773. Meiosis in **Title** *Meiosis in* certain *interspecific hybrids in Crepis* and its bearing on taxonomic relationship... Berkeley, California (University of California Press) 1936. Oct. **Abbreviated title**: *Meiosis intersp. hybr. Crepis*. **Notes** *Co-author*: Samuel Leonard Emsweiler (1898-x). *Publ*.: 27 Nov 1936 (p. ii), cover-t.p., p. \[i-ii\], 325-368, *pl. 14-15* (uncol. phot.). *Copy*: U. – Issued as Univ. Calif. Publ. Agric. Sci. 6(12): 325-368, *pl. 14-15.* 1936. ##### n.19.774. Crepis foetida **Title** *Crepis foetida* and four closely related species... Extracted from The Journal of Botany... 1938. Oct. **Notes** *Publ*.: Jul 1938 (in journal), cover, p. \[202\]-211. *Copy*: G. – Reprinted and to be cited from J. Bot. 76: 202-211. 1938. ##### n.19.775. A study of **Title** *A study of* intra- and interspecific relations of *Crepis foetida* L.... Sonderabdruck aus der Zeitschrift für induktive Abstammungs- und Vererbungslehre... 1938. Oct. **Notes** *Co-author*: Marion Elizabeth Cave (née Stilwell), (1904-x). *Publ*.: 1938 (submitted 15 Jun 1938), cover-t.p., p. \[124\]-160. *Copies*: G, L. – Reprinted and to be cited from Z. indukt. Abstamm. Vererb.-Lehre 75(1): 124-160. 1938.