C si^s ] 
Saxifraga Sedi folio anguftiore, ferrato Tourn. ? X 
believe, it is not now to be found on Biellon-caftle, 
Chelhire, where Gerard fays he found it. 
In this Catalogue, I have thought it needlefs to 
mention, except comparatively, the particular native 
places already pointed out by others. I have pafTed 
over the maritime plants, unlefs found alfo in inland 
places ; becaufe fuch as I have obferved, are not pe- 
culiar to any part of our coaft ; and I have endea- 
voured to avoid a needlefs multipicity of fynonyma, 
uhng generally the fhorteft name, if fufficiently de-. 
fcriptive, or that ufed by the author, whofe icon, or 
defcription, Teemed to me to be the beft ; and there- 
fore I have not adhered to any one fyflem. 
Upon the whole, it may be difficult to determine 
what plants, if any, arc originally Britifh. 
With regard to biennials, if there has been im- 
memorialiy a conftant annual flowering in wafte 
places, or in ground that does not appear, or is not 
known to have been cultivated for the pur- 
pofe, it may perhaps be reafonably prefumed that 
they are the natural and fpontaneous prodiid: of 
fuch places j for, in this cafe, I underftand natural 
and fpontaneous, according to common acceptation, 
to be fynonymous, and applicable to any feminal pro- 
duction, however happening, or effected, without the 
affiflance of art, whether from feeds depofited there, 
or in that foil, at the creation, or from fuch as are 
conveyed by the wind, by birds, or any other cafual 
means, Otherwife, in ftriCtnefs, there may be no fuch 
thing in nature as a fpontaneous produ(Sion ; for as 
to the old doctrine of equivocal generation, I fup- 
VoL. LXI. D d d pofc 
