DEMATOPHORA. 



203 



-r^ 



Fi<i. 03. — Vine-root with rows of black 

 sclerotia exposed, and bearing bristle-like 

 conidiophores here and there. (After R. 

 Hartig.) 



Fio. 92.— Vine-stock with Dcmo.tophora lucatrix 

 (after a prolonged stay in a moist chamber), a, Fila- 

 mentous mycelium passing over into rhizoctonia- 

 strands {b), which anastomose at c c. d and e, 

 Rhizomorphs growing outwards from the interior. 

 (After R. Hartig.) 



Fig. IH.— rurtion of Fig. !<3 after for- 

 mation of conidiophores. x J. (After 

 R. Hartig.) 



