EXPLANATION OF THE ILLUSTRATION 
Ouicocarpia vera Darrah. The figure at top shows 
how the sporangia are borne at the ends of sec- 
ondary veins. Drawn ten times natural size. The 
lamina is not indicated. The figure in middle is re- 
drawn from Stur, It shows a sorus composed of 
four sporangia. Twenty times natural size. 
Both drawings executed by G.W.DILLon 
The figure at bottom is a photograph of a nitrocel- 
lulose peel made from the type specimen. It shows 
four annulate sporangia filled with the subspherical 
spores. Fifteen times natural size. 
