<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><span></span></div><div><br></div><div><br></div><div><br></div><div><br><div><html>On Apr 21, 2008, at 11:34 AM, Maria A. Gandolfo wrote:</html><br class="Apple-interchange-newline"><blockquote type="cite"> <font size="3"><br> Hi Chih-Wei, <br><br> For many years paleobotanists have used leaf architecture as one tool to describe leaf remains.<br><br> There are several papers that address the leaf vein architecture terminology (Dilcher 1973, Hickey 1974 and more recently LAWG 1999).<br><br> What the photo is showing is considered to be the typical brochidodromous venation (secondary veins joined together in a series of prominent arches).<br><br> <br> If you want the papers I mentioned, I can send them to you<br><br> Alejandra<br><br> <br> At 10:27 AM 4/21/2008, you wrote:<br> </font><blockquote type="cite" class="cite" cite=""><font size="3">Dear PO developers,<br><br> We recently got a request from AGRONO-MICS group regarding to the <br> term " peripheral vein: a vein located toward the margin of the leaf <br> lamina" (see attached picture).<br> Pankaj raised a issue about how peripheral vein differs from tertiary <br> vein or high order vein, it is very tricky to determine the vein <br> orders when the veins form a continuous structure at the proximal <br> ends. If you have any thoughts about this structure, please share <br> wit us, we would like to resolve it as soon as possible.<br><br> Best,<br><br> Chih-Wei<br><br> <br><br> <br> Content-Type: application/octet-stream;<br> <x-tab> </x-tab> x-mac-type=5738424E;<br> <x-tab> </x-tab> x-unix-mode=0644;<br> <x-tab> </x-tab> x-mac-creator=4D535744;<br> <x-tab> </x-tab> name=peripheral vein.doc<br> Content-Disposition: attachment;<br> <x-tab> </x-tab> filename="peripheral vein.doc"<br><br> <br><br> <br><br> </font></blockquote> </blockquote></div><br></div></body></html>