298 PETCH : 



Phytophthora Meadii McRae. 



On fruit, &c., of Hevea brasiliensis, Hunasgiriya, August, 

 1919 ; No. 6084 in Herb. Peradeniya. 



Peronospora parasitica (Pers.) de Bary. 



On BrassicajunceaHk.i. & Th., Peradeniya, January, 1918 ; 

 No. 5611 in Herb. Peradeniya. 



P YRENOM YCET^ . 



Perisporiacese . 



Eurotium repens de Bary. 



On drying plants in the herbarium, Hakgala, April, 1917 ; 

 No. 5268 in Herb. Peradeniya. The usual species on herbarium 

 specimens at Hakgala (5,600 ft.). 



Eurotium orientale n. sp. 



Perithecia lemon-yellow, globose, smooth, 120-180 (ji diameter, 

 in clusters on loose tufts, up to 0*5 mm. diameter, of radi- 

 ating red or red-brown hyphse. Hyphse red-brown, hyaline 

 at the tips, 4-6 [i diameter, clothed with long spines, or rough 

 with incrustations in warts or granules. Asci eight-spored, 

 ovate or globose, 12-15 ^ diameter ; ascospores pale yellow, 

 lenticular, circular in one aspect and 5-6 t*- diameter, in the 

 other ovoid, ends truncate and slightly incised, 5-6 x 3-4 i^. 

 Conidia greenish-fuscous, strongly spinulose, spherical, 3-7 [>- 

 diameter, or oval, 6-7 X 5-4 {J"-, borne singly on short lateral 

 pedicels on the red mycelium. 



On drying plants in the herbarium, Peradeniya, August, 

 1906 ; No. 5518 in Herb. Peradeniya. The common species 

 on drying plants at Peradeniya. Also on herbarium specimens 

 from Burma ; No. 5519 in Herb. Peradeniya. 



In some cases the mycelium exactly resembles that of 

 Myriococcum spinuligerum Penz. & Sacc. From the descrip- 

 tions, Eurotium lateritium var. asperulum differs in its 

 verrucose ascospores, and Eurotium rubrum in the perithecia 

 being ultimately red-brown. 



Balladyna Butleri Syd. 



On bamboo, 1910 ; No. 6731 in Herb. Peradeniya. 



