22 THE BOTANICAL MAGAZINE. LVoi. xxijc. No. 33s. 



10. The Erysiphaceae of Japan, II. (Ann. Mycol., 3, 1905). 



11. On Oidiopsis taurica (Lev.), an Endophytic Member of Erysiplaceae. (Ann. 



Bot., 20, 1906). 



22. The Erysiphaceae of Japan, III. (Ann. Mycol., 6, 1908). 



13. Sawada, K. The Classification of the Erysiphaceae, based on the Conidial 



Stage. (Special Eeport of Formosan Exp. St., 9, 1914), (in Japanese). 



14. SchrechtendAl, D. F. L. de. Anhang zu der Abhandl. des Hrn. Dr. Wall- 

 roth, etc. (Berl. Ges. Nat. Freund. Verhandl., I, 1819). 



Explanation of Plate I. 



(The microscopical drawings were done with the aid of the camera lucida). 



Fig. 1. Two leaves of Quercus glandulifera attacked by Typhulochaeta Japonica. 



Natural size. 

 Fig. 2. Hyphae of the fungus, showing tlie granules on the surface. (Zeiss 4 X DD). 

 Fig. 3. Ditto, showing the appressoria on the side. (4 X DD). 

 Fig. 4. Section of an affected leaf, showing haustorium in the epidermal cell. 



(4 x DD). 

 Fig. 5. Three perithecia with appendages, a. Apical view. b. Lateral view. (4 X 



AA). 

 Fig. 6. Badial section of a perithecium, showing the structure of the wall, the 



appendages and the asci. (2 X DD). 

 Fig. 7. Surface view of the perithecial wall. (4 X DD). 

 Fig. 8. Various forms of appendages, showing central protoplasmic threads. (4 X 



DD). 

 Fig. 9. Ditto, with the cell of perithecial wall at the base. (4 X DD). 

 Fig. 10. Ditto, showing mucilaginous change at the apex in potassium hydroxide. 



(4 X DD). 

 Fig. 11. Protoplasmic threads immersing in the homogenous mucilaginous mass. 



(4 X DD). 

 Fig. 12. Various forms of asci. (2 X DD). 



Fig. 13. Perithecium artificially burst open, forcing out the asci. (4 X AA). 

 Fig. 14. Apical view of perithecium, showing the inner asci after boiling in potas- 

 sium hydroxide. (4 x AA). 

 Fig. 15. Ascospores. (4 x DD). 

 Fig. 16. Penicillate cell of Phyllactinia corylea on Quercus (from Salmon, in Bull. 



Torrey Bot. Club, 29, 1902, PL 11, Fig. 1). 



Dec. 1914. In the Botanical Institute, 



College of Agriculture, 



Tohoku Imperial University, 

 Sapporo, Japan. 



