190 



infection of the sporophyte is mainly due to the endophyte 

 within the prothalliura. 



14. Under the name, 0. moluccanum Schlect., it is evident 

 that at least three distinct species have been included. 0. inter- 

 medium Hooker must he considered as a good species. 



In conclusion the w^riter w^ishes to express to Professor 

 Treub and his colleagues at the gardens in Buitenzorg, his 

 great appreciation of the many kindnesses shown him during 

 his stay in Java. These alone have made possible the collection 

 and study of the materials upon which this paper is based. 



