CANTHARELLALES 



531 



Fig. 351. — Kordyana Polliae. Section of hymenium on underside of leaf. (X450; 



Gaumann, 1922.) 



Fig. 352. — Exobasidium vaccinii. Section of periphery of stem of Vaccinium Vitis- 

 idaea, showing hymenium; ep, epidermis; p, bark parenchyma; m, hyphae in intercellular 

 spaces; b, erumpent basidia; b', basidium, still without sterigmata; b", basidium after 

 formation of sterigmata; b'", basidium with mature basidiospores. ( X 620; after Woronin, 

 1867.) 



