/I/ Possesses antibiotic properties but is not In clinical use. /&/ Compare Items no. 85, 89, 99, and 123. Differ- 

 ent species of Helmlnthosporlum have different proportions of these pigments, /ll/ Geodln and erdln are closely re- 

 lated compounds. /12/ Mono-chloro-nalgloTensln. /13/ Hydrolysis yields mannose, glucose, galactose and mannonlc acid. 

 /lU/ Hydrolysis yields glucose. /15/ Hydrolysis yields fructose. /16/ Hydrolysis yields B-glucose-mcaonlc acid 

 (2:1), demalonylated lutelc acid. /17/ Hydrolysis yields galactose. /18/ Hydrolysis yields mannose. 



218 



