Fig. 1. Cross-section of ectotrophic mycorrhiza from Quercus ilicifolia show- 

 ing fungal mantle of pseudoparenchyma tissue (A); intercellular net (B) pro- 

 ducing radial elongation of cortical cells (C); hypertrophy of cortical cells 

 (D); X200. 



Fig. 2. Cross-section of ectotrophic mycorrhiza from Lyonia mariana show- 

 ing clamp connections (A) on hyphae projecting from the prosenchymatous 

 fungal mantle (B) ; intercellular net (C) ; hypertrophy of cortical cells (D) ; X200. 



