PLATE 6 

 JanczeivsMa lappacea Setchell 



28. Transverse section through the frond of Chondria nidifica at point of 

 parasitism of Janczewslcia lappacea showing penetration of parasite (shaded fila- 

 ments) into the host. X 300 diam. 



29. Portion of section shown in fig. 28 to show relation of pits of the para- 

 site (shaded cells) and those of the host (unshaded cells). X 300 diam. 



30. Vertical section of tip of free branch of JancseivsMa lappacea to show 

 apical pit with hairs, etc., arising towards the base. X 300 diam. 



31. Vertical section through the tip of a free branch of Janczewslcia lappacea 

 to show an antheridial conceptacle. X 300 diam. 



32. Vertical section through the tip of a free branch of JanczeivsMa lappacea 

 to show two antheridial conceptacles. X 300 diam. 



All the drawings were made by Miss Helen Gilkey under the direction of 

 W. A. Setchell. 



[34] 



