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The mission of the International Association of Bryologists (IAB), as a society, is to strengthen bryology by encouraging interactions among all persons interested in byophytes.

Tuesday, October 27, 2009

BRYONET: (no subject)

BRYONET

From: Rod Seppelt <Rod.Seppelt@aad.gov.au>
To: "bryonet-l@mtu.edu" <bryonet-l@mtu.edu>
Date: Wed, 28 Oct 2009 08:18:30 +1100
Subject: RE: BRYONET: Ventral surface of a leaf [SEC=Unclassified]

Well, I am moved to reiterate my original point (along with David
Wagner) - ad = adjacent to and thus it matters not whether the plant is
erect, horizontal, or hangs down vertically (or obliquely). There is
only ever one side adjacent to the axis (i.e., adaxial). I also agree
that the situation is different in liverworts and mosses.
And, I hasten to add, I have become utterly confused by the various
definitions and reasons given for upper and lower, dorsal and ventral,
adaxial and abaxial, antical and postical, etc.

Prof Rod Seppelt
Principal Research Scientist
Australian Antarctic Division
203 Channel Higway
Kingston, Tasmania, 7050
Australia
Ph +61 (0)3 6232 3438


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