CHENOPODIUM 
1 6 1 
7. CHENOPODIUM MURALE. Plate 162 
A triplex procurnbens folio sinuato lucido crasso Ray Hist, i, 198 (1686). 
Chenopodium murale L. Sp. PI. 219 (1753)!; Smith FI. Brit. 274 (1800)!; Eng. FI. ii, 11 (1824); 
Syme Eng. Bot. viii, 16 (1868); Rouy FI. France xii, 43 (1910). 
leones: — Curtis FI. Lond. ii, t. 66; Smith Eng. Bot. t. 1722; FI. Dan. t. 2048; Beck in Reichenbach Icon. 
xxiv, t. 245, fig. 1—5, as C. murale. 
Camb. Brit. FI. ii. Plate 162. (a) Flowering shoot, (b) Lower leaf. ( c ) Flower (enlarged), (d) Seed 
(enlarged). Jersey (E. W. H.). 
Exsiccata : — Billot, 3764; Fries, xv, 59; Thielens et Devos, iv, 331; Todaro, 1026. 
Slightly mealy; ? foetid. Stem 3 — 7 dm. high, much branched from the base; branches more 
or less decumbent. Petioles about half as 
long as the laminae. Laminae usually broadly 
triangular or rhomboid, coarsely and irregu- 
larly and acutely toothed, teeth more or less 
incurved, apex acute or subobtuse. Inflores- 
cences short, rather crowded, very leafy, lateral 
ones usually spreading. Flowers in August 
and September. Achenes almost completely 
enveloped by the persistent perianth. Seeds 
black, finely rugose, about romm, by 1*2 or 
1 '2 by 1 '4 in size. 
(/ 3 ) subvar. microphyllum Cosson et Ger- 
main FI. Paris 453 (1845); C. murale var. micro- 
phyllum Gurke PI. Europ. ii, 132 (1897); Rouy 
FI. France xii, 43 (1910). 
Exsiccata: — Herb. Marshall, no. 1081. 
Smaller in all its parts. 
Kent, and perhaps elsewhere. 
France, Greece, and doubtless elsewhere. 
Locally abundant as a weed of culti- 
vated ground and waste places, on light soils 
chiefly ; rare on sand-dunes. Local, but 
widely distributed in the lowlands of England 
and Wales ; adventitious in southern and 
eastern Scotland, and in Ireland (near Cork, 
Dublin and Belfast). 
Southern Sweden, Denmark, Germany, Holland, Belgium, France, central Europe, southern 
Europe; northern Africa; south-western and southern Asia; America (not indigenous); Australia 
(not indigenous). 
Map 33. Distribution of Chenopodium murale in England and Wales 
8. CHENOPODIUM URBICUM. Plates 163, 164 
C. erectum foliis triangularis dentatis spicis e foliorum alis plurimus longis erectis tenmbus Dillenius in Ray 
Syn. ed. 3, 155 (1724). 
Chenopodium urbicum L. Sp. PI. 218 (1753)!; Smith FI. Brit. 273 (1800); Eng. FI. ii, 10 (1824); 
Syme Eng. Bot. viii, 18 (1868); Rouy FI. France xii, 42 (1910). 
leones: — FI. Dan. t. 1148, as Blitum urbicum\ Beck in Reichenbach Icon, xxiv, t. 246. 
Annual, slightly mealy. Stein erect, 3 — 7 dm. high, grooved. Petioles rather long. Laminae 
of the lower leaves triangular, more or less truncate at the base, margin usually more or less 
M. 11. 
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