RECORD: Darwin, C. R. n.d. Ledebour [vols 1-4] Proportions of var: species in Larger & Smaller. CUL-DAR16.115-118. (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.
Ledebour, Carl Friedrich von. 1842-1853. Flora Rossica, sive enumeratio plantarum in totius imperii Rossici provinciis Europaeis, Asiaticis et Americanis hujusque observatarum. 4 vols. Stuttgart.
115
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Ledebour Vol I. Proportions on Var. species in Larger & smaller gen
Genera with 10 & upwards |
Genera with 9 & downwads |
207 number of var. &c [÷] 1237 no' of species. [=] 167/1000 (Q) |
62 [÷] 576 [=] 107/1000 (Q) |
294 no' of var. [÷] 207 no' of sp. having vars. [=] 1.420 average vars. to each species (Q) |
82 [÷] 62 [=] 1.322 (Q) |
Vol 2 |
|
192 [÷] 1243 [=] 154/1000 (Q) |
X 94 [÷] 756 767 [=] 124/1000 X |
|
94 [÷] 767 [=] .122 (Q) |
116
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Ledebour Vol. 2. cont: Proportion of 1 vars. to sp. in large & small gen
Genera with 10 sp & up . |
Genera with 9 & down |
300 no' of vars. [÷] 192 sp. with vars [=] 1.562 Q |
127 [÷] 94 [=] 1.3451 1.351 Q |
Vol. 3. |
|
|
|
171sp. having vars [÷] 171 905 no species [=] 190 188/1000 (Q) |
X 94 [÷] 589 [+] 6 [=] 595 595 [=] 159/1000 X |
|
94 [÷] 595 [=] 1.587 (Q) |
|
|
256n'. of vars [÷] 171sp. have vars [=] 1.497 1.496 1.497 (Q) |
141 [÷] 94 [=] 1.4500 1.500 (Q) |
117
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Ledebour. Vol 4. Proportion of vars. to species in large & smll gen
Genera with 10 & up. |
Genera with 9 & down |
122 sp. having vars . [÷] 570 no of sp. [=] .214/1000 (Q) |
57 [÷] 470 [=] .121/1000 Q |
|
|
177n' of vars. [÷] 122sp having vars. [=] 1.450 (Q) |
78 [÷] 57 [=] 1.368 (Q) |
All 4 Vols. together |
|
|
|
692 sp. having vars. [÷] 3955 no' of sp. [=] .174/1000 (Q) |
X 307 [÷] 2391 2407 [=] .128/1000 X |
|
307 [÷] 2407 [=] .127 (Q) |
118
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Ledebour all 4 Vols together : proport. of Vars. to sp.
Genera with 10 & upwards. |
Genera with 9 & under |
438 [÷] 307 [=] |
|
1027 no' of vars. [÷] 692 n' of sp. having vars [=] 1.484 |
428 [÷] 307 [=] 1.394 (Q) |
Labiatae in vol. 3 of Ledebour.
Large genera (6) have 107, with 19 species presenting 28 vars.— |
Small genera (32 genera) have 120 sp. with 19 sp. varying with 35 vars |
|
|
19 [÷] 107 [=] .177/1000 |
19 [÷] 120 [=] .158/1000 |
|
|
28 no' of vars. [÷] 19 [=] 1.473 |
35 [÷] 19 [=] 1.842 |
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 2 December, 2025