Classijicatio n. 197 



r 



•minutely prominent, brown, up to 300 /u- diameter, 

 globose or elliptical, rarely irregular, numerous, 

 seated on yellowisli spots that are for the most part 

 determinate and orbicular, 4 — 10 mm. long, rarely 

 subconfluent and circinately arranged ; resting-spore.^ 

 globose, broadly elliptical, or angularly globose, 10-14 

 X 8-11 fXj sometimes larger, epispore tbin, smooth, pale 

 brown ; primary sporidia elongate cylindrical, nume- 

 rous, springing from the apex of the promycelium ; 

 general integament of spore-cluster well developed, 

 cellular, brown. 



Doassansia alismat is , Cornu, Sur quelques Usti- 

 laginees nouvelles on pen connus, Ann. Sci. Nat. 

 ser. vi. vol. xv. (I880) p. 285, t. xvi. ff. 1 — 4; Sacc. 

 Syll. vii. pt. ii. n. 1842; Plow. Brit. Ured. aud 

 Ustilag. p. 294. 



Entyloma alismaceani'm, Sacc. in Michelia, v. ii. 

 p. 44. 



In \Q?iYe^ oi Alism a plant ago. Rare. 



Often found along with Cylindrosporlum alisma- 

 cearuriiy Sacc, with which it is considered to be 

 genetically connected. 



Doassansia sagittarisey Fischer. 



Spore-clusters pustulate, on the under surface of 

 the leaves, numerous, sometimes more or less 

 confluent, spots yellowish, centre darker, on both 

 surfaces of the leaf, 5 — 10 mm. across ; spore-clusters 

 globose or irregular, yellow-brown, up to 100 ^^ 

 diameter ; resting-spores globose or angularly globose, 

 epispore rather thick, smooth, yellowish, 9-14 x 9- 

 12 /a; primary sporidia elongate cylindrical, nume- 



