283 
Souru we Without precise locality (probably Caledon 
River, O. F. 8.), Zeyher 805 in herb. Cantab. ex herb. Lemann, 
1852. Transvaal: Vereeniging Distr., Uitasvallen 197, Burtt- 
Davy; Marico Distr., Matebe Valley, Holub ; Rustenburg, 
Nation 198. Natal: without precise locality, Cooper 1267; 
Inanda, Wood. Orange Free State: Caledon River (Wepener 
Distr. 2), Jan. 1841, Burke; Harrismith, Sankey 101. Cape 
Province : Somerset ‘East, by streams at 600 m. alt., Mch. 1866, 
Bolus 300; British Caffraria, Cooper 37; Bazeia, Koffraria, Sg 
weed in cultivated lands, 600-750 m. alt.”’ Baur 3 
ERNACULAR Names: Horseweed, Canadian Mee bane 
Native of N. America where, also, it is described as a ‘‘ common 
weed’; now naturalized — through the Old World. An 
early introduction into S. Africa, having been collected in the 
Eastern Province and Natal prior to 1865 by Burke and others. 
Sowerby states that the name Fleabane was given to this 
plant because of “its reputed power, when burned, of destroying 
fleas. According to M. Losanne, in a paper read to the Agricul- 
tural Society of Turin, the bark of this plant, after having under- 
gone the process of soaking, may be made into excellent paper.” 
There has been a good deal of confusion in herbaria between 
the Asiatic H. linifolius, Willd. and the North American 
E. canadensis, L., as indicated by names and notes on herbarium 
sheets from Australia, etc. In some cases the specimens of £. 
linifolius have been equally divided between the covers of 
E. canadensis, L., and Conyza ambigua, DC. Tenore also appears 
(Syll. Fl. Neap.) to have misunderstood the species, calling the 
Mediterranean plant by the name Linnaeus applied to the 
N. American species. The illustration of HE. canadensis in 
Bentham and Hooker’s Handbook to the British Flora is ena 
as is also that in Britton & Brown’s JIlustrated Flora of N 
America & Canada. 
Both plants are commonly met with in S. Africa, ofte 
growing together as weeds of, fallow or badly cultivated banda 
Of the two, F. linifolius is the most P apoonss They are readily 
distinguishable, when associated, canadensis being usually 
taller and greener, with a more Peaiais paniculate inflorescence, 
than E. linifolius. The following synopsis indicates the points 
of difference :— ; 
Branches long, corymbose, often much 
exceeding the main stem, and flowering 
after the heads which terminate the 
latter have shed their fruit; heads 
fully 3 lines high (7.e., larger than in 
E. canadensis); leaves grey-green, 
not ciliate, the lower distantly and 
incisely toothed or laciniate ; involucre 
pubescent; pappus usually ae fi 
herbarium specimens somet 
inkish, pertinns feos ape effect of 
ey ?) - 1. £. linifolius. 
