> [!cite] BHL link: this entry starts at [page 116](https://www.biodiversitylibrary.org/page/33259162) of TL-2 Suppl. V
> Author links: [Wikidata](https://www.wikidata.org/wiki/Q123676981) QID Q123676981
> Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]]
### Author
Day, Reuben Noble (1874-1931), American botanist, studied at the Res. Wansau, Wisconsin 1884-1892, at the University of Minnesota at Minneapolis 1892-1898, Duluth, Minnesota 1898-1900, at New Orleans, La. 1900-1931, more than 20 years engaged in experimental rose-growing.
**Abbreviated name**: *R.N. Day*
#### Herbarium and types
Unknown.
#### Bibliography and biography
Barnhart 1: 429 (b. 25 Dec 1874, Decorah, Iowa, d. 11 Sep 1931, New Orleans, La.); CSP 14: 510.
### Publications
##### n.29.299. forces
**Title**
XLVI. The *forces* determining the position of *dorsiventral leaves*... \[Minnesota Botanical Studies... 1897\]. Oct.
**Notes**
*Publ*.: 31 Mai 1897 (in journal), p. \[743\]-752, *pl. 40* (uncol. phot.). *Copy*: B. – Reprinted and to be cited from Minnesota Bot. Stud. 1: 743-752, *pl. 40.* 1897.