Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
5/19/2011 At The SI
w Scott wing.
On the holotype of
Araucarioxylon virginianum
- Some very few limited
areas of p+++ Araucaroid
Trach-pitting appear to
be present. These are ~ 1/2
The width of the tracheids.
But they are more ragged
so I am suspicious of
them. In particular
somewhat similar structures
were found in the tangential
sec Zion (Knowlton #38)
These strs. have often have
several rings w/in the margin