RECORD: Darwin, C. R. n.d. Decandolle / Genera with 11 & up / Genera with 10 & down. CUL-DAR15.2.47-52. (John van Wyhe ed., 2002-. The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Text prepared and edited by John van Wyhe. RN1
NOTE: See record in the Darwin Online manuscript catalogue, enter its Identifier here. Reproduced with permission of the Syndics of Cambridge University Library and William Huxley Darwin. The volume CUL-DAR15.2 contains calculations and tables for Darwin's 'big book' Natural Selection F1583.
Candolle, Augustine Pyramus de. 1824-1825. Prodromus systematis naturalis regni vegetabilis, sive, Enumeratio contracta ordinum generum specierumque plantarum huc usque cognitarium, juxta methodi naturalis, normas digesta. vols. 1-2. Paris: Treuttel & Würtz. [Darwin Library-Down] vol. 1 PDF vol. 2 PDF
47
(1
(Decandolle)
(Q)
Genera with 11 & up. Genera with 10 & down
Leguminosae Leguminosae
223.000sp with vars [÷] 2937 [=] .075
38.000 [÷] 619 [=] .061
Proportion of vars to spec
300.00 [÷] 223 [=] 1.34
53.000 [÷] 38 [=] 1.39
Rosaceae
103.000 [÷] 562 [=] .183
24.000 [÷] 144 [=] .166
Proportion of var to sp.
319.00 [÷] 103 [=] 3.09
53.000 [÷] 24 [=] 2.20
48
D. Cand.
(2
(Q)
Gen. with 11. sp & up Gen with. 10 sp. & down
Borragineae
59.000 sp. with vars [÷] 480 [=] .122
10.000 [÷] 111 [=] .090
Proportion of vars to spec
82.000 [÷] 59 [=] 1.38
14.000 [÷] 10 [=] 1.40
Scrophulariaceae
118.000 [÷] 1412 [=] .083
24.000 [÷] 347 [=] .0768
Proport of Vars to sp
136.000 [÷] 118 [=] 1.15
31.000 [÷] 24 [=] 1.29
49
D. C.
(3
(Q)
Genera with 11 s. & up. Genera with 10 & down
Acanthaceae
232.000 [÷] 1088 [=] .213
65.000 [÷] 335 [=] .194
Proportion of vars to sp
333.000 [÷] 232 [=] 1.43
88.000 [÷] 65 [=] 1.35
Verbenaceae
21.000 [÷] 506 [=] .041
5.000 [÷] 82 [=] .060
Proportion of vars to sp.
21.000 [÷] 21 [=] 1.000 5.00 [÷] 5 [=] 1.000
50
D. Candolle .Vol 12
(4
Gen. with aa sp & up. Gen. with 10 sp. & down
Labiatae
207.000 [÷] 1999 [=] .103
32.000 [÷] 278 [=] .115
Proprtion of Vars to sp
278.000 [÷] 207 [=] 1.34
52.000 [÷] 32 [=] 1.62
Solanaceae
258.000 [÷] 1419 [=] .194 .181
11.000 [÷] 139 [=] .079
Proportion of var to sp.
375.000 [÷] 258 [=] 1.45
19.000 [÷] 11 [=] 1.72
51
De Candolle
(5
Genera with 11 sp. & up Genera with 10 sp & down
Proteaceae
153.000 [÷] 912 [=] .167
6.000 [÷] 72 [=] .083
Proprtion of vars to sp
217.000 [÷] 153 [=] 1.41
7.000 [÷] 6 [=] 1.16
Nineteen small orders
94.000 [÷] 832 [+] 283 [=] 1115 [÷] 832 [=] .112
34.000 [÷] 283 [=] .120
Some error here If the equally divded tables are right
Proportion of vars to sp.
133.000 [÷] 94 [=] 1.41
37.000 [÷] 34 [=] 1.08 1.09
52
D. C.
(5 bis
(Q)
Polygonaceae Vol 14
Genera with 11 & up
Genera with 10 & down
130.00 [÷] 619 [=] .211
8.000 [÷] 62 [=] .129
Proportion of vars to species
212.000 [÷] 130 [=] 1.63
11.000 [÷] 8 [=] 1.37
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 2 December, 2025