TEXAS RESEARCH FOUNDATION: CONTRIBUTIONS, VOLUME 5 
34 
> WS Oe 
AK US 
So OMA 
tel YS (4 
Se 
bs 
or, 2 
ee Me: > : 
bo, 
ee 
2, Leaf, undersurface 
Fig. 7. Parathesis columnaris Lundell. 1, Flowering branch; x 4. 
3, Calyx, spread out; X 5. 4, Flower with anthers 
Illustrated from type, Julian A. Steyermark 
showing bizonal pubescence; * 1%. 
adhering to form a column; X 5. 5, Pistil; x 5. 
33205 (F), by Vivien Frazier. 
