a New Genus of Plasmodiophoraceae. 
6 45 
Text-fig. 2. Part of a transverse section of a normal stem of Diplanthera Wrightii. 
To the right the central cylinder with four phloem groups, surrounded by the endodermis. In the 
cortex two layers can be distinguished, the inner having nearly isodiametric, the outer radially 
elongated cells. On the limit of the two tissues is seen a cortical strand, x 200. 
Text-fig. 3. Transverse section through the central cylinder of the stem of Diplanthera 
Wrightii. Four phloem groups (not filled in) are seen surrounding a small central channel. 
Outside, the endodermis cells of the inner cortex, x 435. 
X X 3 
