382 The Philippine Journal of Science wis 



The collector reports that this fungus is particularly abundant on a 

 variety of rice known as "awa" or "maca-awa." Where the rice is grow- 

 ing under very moist conditions it may cause the loss of a large part of 

 the crop. This disease of rice has also been reported from Japan. 



DEMATIACEAE 



CERCOSPORA Fries 



CERCOSPORA GLIRICIDIAE Syd. in Philip. Journ. Sci. 8 (1913) Bot. 

 283. 

 Luzon, Manila and vicinity, Bur. Sci. 30621 Yates, February 20, 1918, 

 on leaves of Gliricidia sepium. 



CONIOSPORIUM Link 



CONIOSPORIUM ORYZINUM Sacc. in Nuov. Giorn. Bot. Ital. 23 (1916) 

 213. 



LUZON, Manila and vicinity, Bur. Sci. 30624 Yates, February 20, 1918, 

 on leaves and glumes of Oryza sativa. 



This organism was described by Saccardo from Philippine specimens 

 said to be on dead and partly decayed leaves of rice. The present collec- 

 tion occurred on dying and dead leaves and glumes and appeared to be 

 the cause of the injury. If it should prove to be the primary cause of 

 the disease, and be widely distributed, it may cause a very appreciable 

 reduction in the yield of rice in the Philippines. 



HADRONEMA Sydow 



HADRONEMA ORBICULARE Syd. in Ann. Myc. 7 (1909) 172. 



Luzon, Camarines Province, Mount Isarog, Bur. Sci. 22125 Ramos, 

 November 29, 1913, on leaves of Quercus sp. 



HELMINTHOSPORIUM Link 

 HELMINTHOSPORIUM FICUUM sp. nov. 



Mycelio abundante, ex hyphis subhyalinis, 2-3.5 n crassis com- 

 posite); conidiophoris numerosis, erectis, obscure brunneis (casta- 

 neis) , septatis, 350-450 /* longis, 8-10 /x crassis, deinde ad apicem 

 torulosis; conidiis ad basim truncatis, plerumque 4-septatis, 

 44-50 ft longis, 6-9 n latis, brunneis, ad septa non constrictis. 



Luzon, Tayabas Province, Mount Binuang, Bur. Sci. 28897 Ramos & 

 Edano, May 15, 1917, on sterile mycelium of Meliola on leaves of Ficus 

 caudatifolia. 



The conidiophores are often aggregated into tufts and then approach 

 Arthobotryum sp. 



HELMINTHOSPORIUM LEUCOSYKEAE sp. nov. 



Mycelio ex hyphis brunneis septatis 5-5.5 fi crassis formato; 

 conidiophoris numerosis, erectis, brunneis, septatis, 300 /i. longis, 

 7-8 fi crassis, conidiis ad basim truncatis, 3-septatis, ad septa 

 non constrictis, apicem rostratis, 30 x 8 fi. 



Luzon, Tayabas Province, Umiray, Bur. Sci. 29084 Ramos & Edano, 



