MULFORD EXPLORATION OF THE AMAZON VALLEY 



273 



Figure 4. Jubistylis mollis Rusby. A, leaf, natural size; B, umbel, nat- 

 ural size; C, upper part of sepal, x 2; D, petal, x 2; E, two stamens, x 5; F, 

 antlier, x 10; G, pistil, x 2. 



JUBISTYLIS gen. nov. 



Calyx 5-parted, giandless. Petals iinguiculate, glabrous, 

 creiiate, the base of the unguis slightly dilated. Stamens 10, all 

 perfect, unequal, the filaments dilated at the base and slightly con- 

 nate, the anthers ovate, versatile, not appendaged (I), but hav- 

 ing a narrow translucent margin. Pistils 3, distinct, pubescent, 

 the lower portion of the style densely long-pilose and ferru- 

 ginous, the summit recurved, the stigma truncate, small, the 

 ovary apparently Avithout crest or appendages. Fruit not seen. 



