234 FETCH 



ALEyKODIICOL^. 



Hypocrella ; subgenus Eu-hypocrdla. 



Hypocrella discoidea (B. & Br.) Sacc, Michelia, I., p. 322 

 (1878). — Stromata usually discoid, up to 4 mm. diameter 

 and 1'25 mm. high, upper surface almost plane, edge vertical 

 or rounded, sometimes umbihcate in the centre, with or 

 without a thin, fibrillose hypothallus ; or irregularly pulvinate, 

 1-2 mm. diameter ; minutely pulverulent ; orange-red, or more 

 rarely yeUow, internally yellowish -white ; substance rather 

 soft. Perithecia scattered ; ostiola red-brown, or dark brown, 

 slightly projecting ; perithecia flask -shaped, 0'35mm. deep, 

 0*15 mm. diameter; asci 140-180 X 6-8[ji,, four-oreight-spored; 

 part-spores 8-12 X 2 [x, cylindric, ends rounded, Pycnidial ori- 

 fices sunk, each in the centre of a circular scarious area about 

 • 1 mm diameter, red-brown, usually circularly arranged ; 

 pycnidia flattened-globose or lateially oval, • 3 mm. diameter, 

 neck short ; pycnospores narrow-oval or fusoid, sometimes 

 shghtly inequilateral, ends pointed and slightly produced, 

 10-15 X 1 • 5-2 \}. ; paraphyses up to 180 ^ long, rather stout, 

 1-1*5 [JL diameter. Hypocrea discoidea B. & Br., Jour. Linn. 

 Soc, XIV., p. 113 (1873) ; Hypocrella Zingiheris Massee, Kew 

 Bulletin (1899), p. 174 ; Hypocrella Zimmermanniana P. Henn., 

 Hedwigia (1902), p. 142 ; Hypocrella Grewise Koord., Bot. 

 Untersuch., p. 179 (1907). Aschersonia stage — Aschersonia 

 samoensis P. Henn., Engler's Bot. Jahrbuch., XXIII. p. 289 

 (1896) ; Aschersonia cinnaharina P. Henn., Monsunia, I. p. 37 

 (1899) ; Aschersonia Napoleonas Pat. & Har., Bull. Soc. Myc 

 Prance, XX., p. 65 (1904). 



This species is common in the East, at least in the Aschersonia 

 stage. The pycnidia and perithecia are not usually found in the 

 same stroma. Berkeley and Broome's type specimen is the 

 Hypocrella stage, but immature. Nearly all the collections of 



