Scott,
There are no leaf gaps and only one vein per leaf, making them
microphylls. To my knowledge, there are no exceptions. Ferns are the
first group to have macrophylls, even though horsetails have a
siphonostele.
Janice
***********************************
Janice M. Glime, Professor
Department of Biological Sciences
Michigan Technological University
Houghton, MI 49931-1295
jmglime at mtu.edu
906-487-2546
FAX 906-487-3167
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On Wed, 24 Sep 2003, Scott Shumway wrote:
> Are horsetail leaves microphylls or megaphylls? I've seen references to both.
> --
> Scott Shumway
> Professor of Biology
> Dept. of Biology
> Wheaton College
> Norton, MA 02766
> 508-286-3945
>sshumway at wheatonma.edu> fax 508-285-8278
>>> ---
>---
