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T H E M E R T O N C A T A L O G U E
A LIST OF CHROMOSOME NUMBERS OF
BRITISH PLANTS
SUPPLEMENT No. i
B Y J. P. RUTLAND
John Innes Horticultural Institution, Merton, London
(With 19 figures in the text)
RANUNCXn.,ACEAE
L. (Fig. I)
CRUCIFERAE9. N A S T U R T I U M
DC 32 Scheerer 1939
CISTACEAE. H E L I A N T H E MU M
Mill. 2ot Bowden 1940Mill. 20 „
Baumg. 22 ,,
PORTULACACEAE5 . C L A Y T O N I A
Donn 36 Rutland num.nov.
TAMARICACEAE77 . TAMARIX
L. 24 Bowden 1924
88. OXALISL.
92. R H A M N U SFrangtda L.
GERANIACEAE
24 Rutland num.nov.
RHAMNACEAE
20 Rutland num.nov.
LEGUMINOSAE99. T R I G p N E L L Aornithopodioides D C . 18 Rutland num.nov.100. MEDICAGOfcdcata L. 16, 32! Ledtngham 1940
1 0 2 . T R I F O L I U Mresupinatum L.agrarium L.dubium Sibth.104. L O T U Sangustissimus L.tenuis Waldst. & Kit.
Uspidut Desf.
I4§1 42 8
12II1 2
2 4
W i p f 1939
R u t l a n d n u m . n o v .D a w s o n 1941 (N at i
mater ial)R u t l a n d n u m . n o v .
CRASSULACEAE134 . SEDUMrosea Scop.rosea var. elongatum
2 2
2 2L e v a n 1933T a y o h u k o & Matsuu
1 3 5 . S E M P E R V I V U Mtectorum L. 72
19 39
R u t l a n d n u m . n o v .
HALORAGACEAE138. M Y R I O P H Y L L U Matternifotium D C . 14 Scheerer 1939
142 . EPILOBIUMpalustre L.
ONAGRACEAE36 Rutland num.nov . -
UMBELLIFERAE153. S MY R N I U MOtusatrum L.156. APIUMinundatum Reichb. f. 22nodiflorum Reichb. f. 22
• 1 5 8 A . P E T R O S E L I N U Mcrispum Nym. 22172. O E N A N T H Esitaifotia Bieb. 22
22 Rutland num.nov. (Fig
' » ' » Scheerer 1939
Rutland num.nov. (Fig
Rutland num.nov.
Rutland num.nov.
CAPRIFOLIACEAE
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The Merton Catalogue 2 1
COMPOSITAE204. S O L I D A G OVirgaurea L. 1820 7 . E RIGE RONacris L. 18211. G N A P H A L I U Msupinum L. 28212. I N U L AHelenium L . 2 0 *
crithmoides L. 18217 . DIOT ISmaritima Hook. 18220. M A T R I C A R I Asuaveolens Buch. 18222. T A N A C E T U Mvulgare L. 18
225 . P E T A S I T E Salbus Gaertn. 6 0227. SENECIOintegrifotius Clairv. 482 4 7 . S O N C H U Soleraceus L. em. Hill 3 2 tasper Hill 18
Scheerer 1939
Rutland num.nov.
Rutland num .nov. (Fi f . 6 )
Rutland unpub. (Fig. 8)Rutland num.nov. (Fig. 7)
Rutland num.n ov. (Fig. 5)
Rutland num.n ov. (Fig. 4)
Rosenberg IQ05Rutland unpub.
Scheerer 1939
Rutland num.nov. (Fig. 9)
Rutland unpub.Rutland num.nov.
CAMPANULACEAE254. C A M P A N U L Apatuld L. 20 Rutland num.nov,255. L E G O U S I A
. hybrida (L . ) De l . 20 Rutland num.nov.
VACCINIACEAE256. V A C C I N I U MMyrtiltits L . Rutland num.nov.
262. ERICAmediterranea
L .
- 283. V I N C Amajor L .
ERICACEAE
i
APOCYNACEAE
minor L .[and two colour
varieties]
92S
46§
Pannocchia-Laj 1938Bowden 1940Rutland unpub.Pannocchia-Laj 193SBowden 1940Rutland unpub.
GENTIANACEAE288 . GE NT IANAPneumonantbe 26
290. N Y M P H O I D E SpdUxtum Britton & Rendle 54
Scheerer 1939
Scheerer 1939
SCROPHULARIACEAE314. S C R O P H U L A R I Anodosa L. 363 16 . L IM OSE L L Aaquatica L . 40II319. V E R O N I C Ahumifusa Dickson 14icutalata L. 18
Scheerer 1939
Blackburn & Vachell 1939
Rutland num.nov.Scheerer 1939
LABIATEAE332. O R I G A N U M
vutgare L . 30 Rutland num.nov.(Fig. 14)
334. C L I N O P O D I U Mvulgare L . 2 0338. NEPETACataria L . 3 6 ?hederacea Trev. 18hederacea Trev. 36
342. M A R R U B I U Mvulgare L. 34
343. S T A C H Y Slylvatica L . c. 6 6345. L E O N U R U SCardiaca L. 18
3 4 7 . B AL L OT A
nigra L. 22
3 4 8 . T E U C R I U MScorodonia L. 34349. A J U G AChamaepitys Schreb. 28
S c h e e r e r 1 9 3 9
S u g i u r a 1 9 4 0
R u t l a n d n u m . n o v .( F i g . 1 3)
R u t l a n d n u i n . n o v .
S c h e e r e r 1 9 3 9
R u t l a n d n u m . n o v .
(Fig. 10)
Rutland num.nov.(Fig. 11)
Rutland num.nov.
Rutland num.nov.
(Fig. 12)
ILLECEBRACEAE353. H E R N I A R I Aglabra L . 18 Scheerer 1939
3 66 . RUM E XAcetosella L. var.
tenuifolia
POLYGONACEAE
2 8** Ixive 1940
EUPHORBIACEAE373. E U P H O R B I ACyparissias L. 20 Rutland num.nov.exigua L. 24 „Lathyris L . 2 0 Bowden 1940
389. P O P U L U Snigra L. var. italica
SALICACEAE
38 Suto, cit . Matsuura 1
MONOCOTYLEDONS
ORCHIDACEAE399. N E O T T I ANidus-avis Rich. 36tt404. CEPHALANTHERASrandiflora Gray405. E P I P A C T I Slatifotia All .4 0 6 . ANACAM PT ISpyramidalis
Rich.409. A C E R A Santhropophora ' B T .
410. O P H R Y Smusdfera Huds.apifera Huds.
36
38
36
336
Barber 1941
Barber 1941
Barber 1941
Barber 1941
Barber 1941
Barber 1941Barber 1941
445. P A R I Squadrijotia L .
LILIACEAE
2o§§ Darlington and La C
NAIADACEAE462. POTAMOGETONcrispus L . c. 52
pectinatus L . c. 78perfoliatus L . c. 52IIII
Scheerer 193O
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2 1 2
Fig. I. R. Ficaria, x = 6. (See p. 210.)
2 3Figs. 2-3. Umbelliferae, a:= 11. (See p. 210.)
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The M erton Catalogue 2 1
10
11
12
Figs. 1014. Labiateae, x=%, 7, 9, i i . (See p. 211.)14
.-fh
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214 J. p. RUTLAND
CYPERACEAEERIOPHORUM
L. 58CAREXL. 60
L. var. disjuncta 54Schrank. 60
Willd. 64
H^ansson 1928
Wahl 1940
Heilbom 1939
POLYPOGONSm.
GRAMINEAE
28
GASTRipiUMSchinz &
Thell.
Rutland num.nov,(Fig. 18)
Rutland num.nov.(Fig. is)
500. AVENApubescens Huds. 14*501. ARRHENATHERUMtuberosum Schultz 28
514A. P U C C I N E L L I Afasdcutata Bickn.
rupestris Fern. & Weath.
28
42
515. FESTtJCA{Vidpia) ambigua Le Gall. 28516. BROMUSsecatinus L. I4tcommutatus Schrad. 56
Carson & Fyfe unpub.
Rutland num.nov.(Fig. 19)
Rutland num.nov.(Fig 17)
Rutland num.nov.(Fig. 16)
Maude lg40
Nielsen 1939
* Kattermann (1934) givest A tetraploid, 8
, B"«.> ^ " - - 6 (see Tischler 1936). , .. ,28 , previously reported by Avdulov (1931) and Nakajima (1931).
Notes, (i) My new counts here recorded are all from British material.
(2) All figures are magnified 3000 diameters from Flemminggentian violet
preparations.
ACKNOWLEDGEMENTS
I am indebted to Mr E. M. Marsden Jones, Mr H. N. Barber and Miss B. Schafer
for many plants, and to Dr W. B. Turrill for assistance with the nomenclature.
REFERENCES
BLACKBURN, K. B. & VACHELL, E. (1939). The Limosella plants of Glamorgan. Parti. The historyof their discovery. Part II. Chromosomes and species. J. Bot., Lond., 77, 65.BowDEN, W. M. (1940). Diploidy, polyploidy and winter hardiness relationships in the flowering
plants. Amer. J. Bot. VJ, 357.BusHNELL, E. P. (1936). Cytology of certain Labiatae. Bot. Gaz. 98, 356.DAWSON, C. D . R. (1941). Tetrasomic inheritance in Lotus cornicutatus L. .5"- Genet, 42, 49.LEDINGHAM, G. F . (1940). Cytological and developmental studies of hybrids between Medicago
sativa and a diploid form oi M.fatcata. Genetics, 25, i.LEV AN, A. (1933). Uber das Geschlechtschromosom von Sedum Rhodiola DC. Bot. Notiser, p. 195.L6vE, A. (1940). Polyploidy in Rumex Acetosetta L. Nature, Lond., 145, 351.MATSUURA, H . (1939). Problems of the secondary association of chromosomes (Engl. summary).
Botany and Zoology, 7, 1665.
MAUDE, P. F. (1939). The Merton Catalogue. New Phytol. 38, i.(1940)- Chromosorne numbers in some British plants. New Phytot. 39, 17.NIELSEN, E. L. (1939). Grass studies. III. Additional somatic chromosome complements. Amer.J.
Bot. 26, 366.PANNOCHIA-LAJ, F . (1938). Embriologia e caryologia del genere Vinca (Apocynaceae). N. Giarn.
bot. itat. 45, 157.RoHWEDER, H. (1939). Weitere Beitrage zur Systematik und Phylogenie der Caryophyllaceen mit
besonderer Berucksichtigung der karyologischen Verhaltnisse. Beih. bot. Zbt. 59 B, i.ScHEERER, H. (1939). Chromosomenzahlen aus der Schleswig-Holsteinischen Flora. I. Planta, 29,
636.SuGiURA, T. (1940). Chromosome numbers and meiosis in the genus Qarex. Amer. J. Bot. 27, 4S8-WiPF, L. (1939). Chromosome numbers in root nodules and root tips of certain Leguminosae. Bot.
Gaz. IOI, 51.
The references to earlier work given in the footnotes will be found in the Merton Catalogue.
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