192 Transactions of the Royal Society of South Africa. 
PLATE XX. 
Specimens of D. Junodii, Pole Evans and Bottomley. The specimen in the lower 
right-hand corner shows the compartments into which the stroma is divided ; all 
natural size. 
PLATE XXI. 
a. Diagram illustrating structure of stroma of Diplocystis. h. Spores of D. Junodii, 
Pole Evans and Bottomley ; greatly enlarged, c. Diagram illustrating structure 
of stroma of Broomeia. d. Spores of B. congregata, Berk. ; greatly enlarged, 
e. Photograph of a section through B. congregata. Berk., showing the individual 
"puff-balls" embedded in the thick, white, columnar stroma. 
PLATE XXII. 
Fig. 1. B. congregata. Berk., at the base of A. Karroo, Hayne, showing the white 
exoperidium. Fig. 2. The same plant photographed nine days later, after the 
exoperidium has disappeared. Both greatly reduced. 
PLATE XXIII. 
Fig. 1. A large specimen of B. congregata. Berk., removed from the base of an A. 
Karoo tree. The gap in the upper portion is where the fungus wrapped almost 
round the stem of the tree. The specimen contained over 900 "puff-balls." 
Much reduced. Fig. 2. A specimen of B. congregata, Berk., photographed from 
above, and showing the exoperidium before it has begun to peel off. Natural size. 
