EXPLANATION OF THE ILLUSTRATION 
Prare XII. Brassta Attentr L. O. Wms. ex C. 
Schweinfurth, 1, plant, natural position, about one 
half natural size. 2, flower, from front, about five 
sevenths natural size. 3, column and base of lip, 
from side, about twice natural size. 
Drawn by Dorotuy O. ALLEN 
[ 146 | 
