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Re: <f25r> Marsh St. John's Wort

   Yes, I agree that this American plant is probably not the same as the one referenced in the VMS; however, it
is certainly possible, I believe, that plants from the Americas reached Europe prior to the writing of the VMS
(after 1492). I wouldn't put it past an botanist/alchemist/physician to get his feet a little wet to collect
important specimens. The picture of Triadenum virginicum and f25r are very close match. The tips of the leaves in
one are a bit more rounded than in the other. One is a cut plant and the other is rooted. Buds at the bases of
the leaves are arranged a little bit differently. I can't quite decide if the leaves in the VMS are cerrated or
not. So yes, there is certainly room for further investigation here. Thank you for your comments.


Jovra wrote:

> Re-Hello Dana,
> Earlier, you mentioned the following link (TRIADENUM VIRGINICUM)
> with a picture to be compared with <f25r> :
> http://www.csdl.tamu.edu/FLORA/dcs420/a/hdw23109902s.jpg
> I have several comments about Triadenum virginicum.
> First, here is another view of Triadenum virginicum :
> http://www.portableherbarium.com/Triadenum-virginicum.jpg
> Second, I see some arguments in favor of :
> <f25r> does not represent Triadenum virginicum :
> For instance, a serious Finnish botanical website mentions no
> European name, but only an American one for this plant :
> http://www.funet.fi/pub/sci/bio/life/plants/magnoliophyta/magnoliophytina/magnoliopsida/clusiaceae/hypericum/
> And all the sites mentioning "TRIADENUM VIRGINICUM" considered this
> plant
> to be only North American.
> Third, at page :
> http://www.sel.barc.usda.gov/Coccoidea/aphid/hyalo.htm
> One can read ...   a semiaquatic herb called Triadenum virginicum
>  (formerly in the genus Hypericum).
> But there all several web sites sayinf that this plant is
> semi-aquatic !!!
> So, is it realistic to imagine some alchemists went culling plants in
> marshes ?
> I have absolutly no idea of the pertinence of this argument. All I can
> imagine is that it is less easy to gather semi-aquatic plants.
> As it was said, f25r is not easy to examine !
> I always use www.google.com, because most of the time, it retrieves more
> documents than the other search engines !
> As a main conclusion, I feel that Triadenum Virginicum is exclusively an
> indigenous American plant.
> So, now it remains to find another identification for <f25r>  !!!!
> --Jovra
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fn:Dana Scott