EXPLANATION OF THE ILLUSTRATION 
Prare XXV. PrroarRNtA MACARENENSIS L. B. Smith. 
1, habit, one twentieth natural size. 2, floral bract 
and flower, natural size. 3, sepal, natural size. 4, 
base of petal, natural size. 
Navid Garcra-Barricar L. B. Smith. 5, branch of 
inflorescence, natural size. 6, floral bract and flow- 
er, five times natural size. 7, sepal, five times nat- 
ural size. 8, petal and filament, five times natural 
size. 9, diagrammatic cross-section of floral bract 
and sepals, five time natural size. 
Drawn by Roserr J. Downs 
