EXPLANATION OF THE ILLUSTRATION 
Prare XXIV. Prievroruarcis cartnata C, Schwein- 
Jurth, 1, plant, two thirds natural size. 2, flower 
from side, two and one half times natural size. 3, 
petal, five times natural size. 4, column and lip 
from side, five times natural size. 5, lip from above, 
natural position, five times natural size. 
Drawn by Evmer W, Smiru 
