EXPLANATION OF THE ILLUSTRATION 
Figure II. Sphondylophyton hyenioidrs Schultes 
4- Dorf gen. et sp. nov. Heliotype reproduction of 
a photograph of a portion of the type specimen, en¬ 
larged three times. The color of the rock matrix 
is a dull pinkish-buff. The photographs for Figures 
I and II were taken through a red filter with the 
specimen submerged in xylol. Paleobotanical Col¬ 
lections, Princeton University, No. 24101; Bear- 
tooth Butte formation, Beartooth Butte,Wyoming, 
U.S.A. Lower Devonian. 
[30] 
