BOTANICAL MUSEUM LEAFLETS 
HARVARD UNIVERSITY 
Cambridge, Massachusetts, December 16, 1988 
Vol. 7, No. 2 
A SPHENOPSID FROM THE 
LOWER DEVONIAN OF WYOMING 
BY 
Richard Evans Schultes and Erling Dorf 
Sphondylophyton Schultes Dorf gen. nov. 
Herba laxe caespitosa ut videtur, ex axibus simplici- 
I bus aliquid flexuosis constans. Axes appendices com- 
planatas, probabiliter rigidas, basi dichotomas, foliosas 
incurvatas verticillatas ferentes. Verticilli parte termin- 
\ ali (?) congesti, inferne laxiusculi. Fructus ignoti. 
Plant apparently loosely caespitose; composed of un- 
[ branched, somewhat flexuous axes bearing flat, probably 
stiff, basal ly dichotomous leaf-like appendages which are 
I disposed in whorls rather widely spaced except near the 
I tips (?) where the whorls are crowded. Fructifications 
| unknown. 
Sphondylophyton hyenioides Schultes § Dorf 
I sp. nov. 
Herba laxe caespitosa ut videtur. Axes simplices, 
I flexuosi, plus minusve 3 cm. longi (probabiliter imper- 
t fecti), 1-2 mm. lati,verticillos ferentes. Verticilli e duabus 
1 ad quattuor appendicibus foliosis constant. Appendices 
| complanatae foliosae, basi ramosae, incurvatae, proba- 
I biliter rigidae; segmenta truncato-linearia, aequalia, 5-8 
p' mm. longa, plus minusve 1-2 mm. lata. Verticilli regu- 
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