126 
Transactions of the Royal Society of South Africa. 
Dimeriella annulata Syd. has a large part of its mycelium internal to the 
leaf, lying between the cuticle and the epidermis, and therefore does not 
belong to the genus Dimeriella as at present defined. 
^ - — ■ 
Fig. 6.- 
-Shows sclerenchyma fibres in longitudinal section penetrated by 
the haustorium of M. i^cltata (comp. oc. No. 6). 
Fig 
-Haustorium of M. peltata piercing- its way through in wall of 
epidermal cell (comp. oc. No. 8). 
Balladyna velutina (B. & C.) v. Hohn on Kraussia jlorihunda and 
Bimerium, iisilostomatis (Thuem) Sacc. on Plectronia ciliata have the same 
type of haustoria as many species of Meliola. The penetrating filament is 
thin-walled, staining blue, and there is a hyaline, globular, thin-walled 
uninucleate vesicle in the epidermal cell. 
