Re: [IAWA Forum] Pinaceae identification

From: levyadun@research.haifa.ac.il
Subject: Re: [IAWA Forum] Pinaceae identification
Date: Thu, 20 Aug 2009 11:00:48 +0300
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Dear all,
For charcoal analysis I prefer to use a scanning electron microscope.
One has to create a comparative collection of local woods because there are no
SEM atlasses.
Simcha Lev-Yadun




Quoting Barbara Godbout <barbaragodbout@videotron.ca>:

> I did charcoal identification for most of North American east coast species,
> and I used an episcopic microscope with reflected light. Unfortunately, we
> don't find Cedrus here, but I'm pretty sure I saw some description of the
> genus either in Sweingrubber or Jacquiot's identification keys. As far as I
> can remember, Cedrus should have small crossfield pits. For Pinus, the north
> american species are evidently not the sames either. But try to create a good
> longitudinal radial section: if you have window like (fenestriform)
> crossfield pitting and smooth ray tracheids walls = white pine group; if you
> have window like pitting with dentate ray tracheids walls = red pine group;
> and if you have pinoid crossfield pitting and dentate ray tracheids walls =
> yellow pine group. My experience also showed me that white pine have bordered
> pits in the cell wall of the last tracheid of latewood (you can see that
> detail on a longitudinal tangential section). K.A. Chowdhury and S.S. Ghosh
> wrote something about Indian woods, but I don't know if it's complete enough
> to help you.
>
> Barbara Godbout, research assistant
> Department of Geography
> Université Laval
> Quebec (QC) CANADA
> 418-628-1443
> barbaragodbout@videotron.ca
>   ----- Original Message -----
>   From: Kathleen Hawes
>   To: rmiller1@wisc.edu ; cl379@cam.ac.uk
>   Cc: iawa@COF.ORST.EDU
>   Sent: Wednesday, August 19, 2009 8:53 PM
>   Subject: RE: [IAWA Forum] Pinaceae identification
>
>
>   I am also conducting charcoal identification on the Pacific Northwest Coast
> of the United States, and find that many for many of the genus/species that I
> am trying to identify, I have to collect the wood myself and creat my own
> charcoal for the comparitive collection. I use a metallurgical microscope for
> these identifications; is this what you are using?
>
>   Kathleen L. Hawes, Laboratory Director
>   SPSCC Anthropology Lab
>   aragalen@msn.com
>   hawkat01@evergreen.edu
>   khawes@spscc.ctc.edu
>   (360) 754-7711 ext. 3970 Anthropology Lab
>   (360) 561-5139 cell
>
>
>
>
>
>
> ------------------------------------------------------------------------------
>   Date: Wed, 19 Aug 2009 19:15:34 -0500
>   From: rmiller1@wisc.edu
>   Subject: Re: [IAWA Forum] Pinaceae identification
>   To: cl379@cam.ac.uk
>   CC: iawa@COF.ORST.EDU
>
>   Normally you can only identify the pines into 3 groups -- red, white and
> yellow pines.  What groups are Pinus gerardiana and P. roxburghii? Cedrus
> should be rather distinctive. However, working with charcoal can be
> difficult.
>
>
>   Regis
>
>
>   Dr. Regis B. Miller, Executive Secretary of IAWA
>   USDA Forest Service, Forest Products Laboratory
>   Center for Wood Anatomy Research
>   One Gifford Pinchot Drive
>   Madison, WI  53726-2398
>
>
>   Tele:  608/231-9341
>   Fax :  608/231-9508
>   Email: rmiller1@wisc.edu
>   http://www2.fpl.fs.fed.us
>
>
>
>
>
>
>   On Aug 19, 2009, at 5:27 PM, Carla Lancelotti wrote:
>
>
>   Dear list members,
>
>
>   I am working on wood charcoal from Pakistan for my PhD and have recently
> found some conifer species that I am trying to identify. I have arrived to
> Family (Pinaceae) but I am having problems discerning genus and species for
> lack of reference material.
>
>
>   Do any of you have, or can tell me where to find, descriptions and possibly
> pictures of Pinus gerardiana, P. roxburghii and Cedrus deodara? I am almost
> sure it is one of these three as both Pine and Cedar have been previously
> identified in archaeological material from this area. Unfortunately the
> publications I have read don't get to species level for pine and don't give a
> full description of cedar.
>
>
>   Many thanks for your help.
>
>
>   Carla
>
>
>
>   ************************************************
>   Carla Lancelotti
>   Pitt-Rivers Laborotory for Bioarchaeology
>   Department of Archaeology
>   Downing Site
>   Cambridge
>   CB2 3DZ
>   UK
>
>
>   Tel (lab): +44 (0) 1223 333537
>   cl379@cam.ac.uk
>
>
>
>
>
>
>
>
>
>
>
>
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