Thecaphoret. 295 
On Alisma plantago. 
July to October. 
BIOLOGY.—See p. 92. 
Doassansia sagittarie. (Fckl.) 
Spots yellowish, pustulate, rounded, ‘5-1 cm. across, hypophyl- 
lous. Spore-balls roundish, 50-6op in diameter. Teleutospores 
firmly cohering, angular, pale brown-yellow, smooth, 8-11 in 
diameter. Promycelial spores numerous, cylindrical. 
Synonym. 
Schrot., doc. czt., p. 286. 
Protomyces sagittaria, Fckl. Cooke, “ Micro. Fungi,” 4th 
edit., p. 227. 
Lxsiccatt, 
On Sagittaria sagittifolia. 
May to.September. 
BIOLOGY.—See p. 92. 
THECAPHOREI Schrét. 
Spore-forming hyphz not gelatinized. Teleutospores com- 
pound. Promycelium sometimes branched. Promycelial spores 
produced in concatenate chains from the end of the promycelium. 
Thecaphora. Fingerhuth. 
Spore-balls composed of large teleutospores, firmly adherent, 
convex externally. Promycelium filiform, sometimes with lateral 
branches. 
Thecaphora hyalina. Fing. 
Spore-masses rich chestnut-brown, pulverulent, produced in the 
seeds. Spore-balls irregularly rounded, very variable in size, 
brownish yellow, 50-60 xX 20-504. Teleutospores from two 
to ten in number, firmly cohering, broadly and shortly cunei- 
form internally, internal flat surfaces smooth, external rounded 
surface rough with large rounded tubercles, brown, 15-20 in 
. diameter. 
