BIVERTICILLATA-SYMMETRICA 



585 



Bailey as an isolate from bread from Bangkok, Siam; NRRL 1018 received 

 in 1930 from B. O. Dodge, New York Botanical Garden, as an isolate 

 from Cuba; NRRL 1013, isolated from gingerale in Washington, D. C. in 



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Fig. 149. Penicillium ivortmanni Klocker. A and B, Ten-day-old colonies of 

 NRRL 1013 on Czapek and malt agars. C, Detail of two typical penicilli, X 1000; 

 observe lanceolate pattern of sterigmata that is characteristic of the Biverticillata- 

 Symmetrica section. D, Mature ascospores of NRRL 1017 showing elliptical form 

 and rough spore walls that are characteristic of species, X 1500. 



1940; NRRL 1614 from Harvard University as Penicillium sulfureum Sopp, 

 contributed by F. A. Wolf, Duke University; and two strains received 

 from the Centraalbureau as Penicillium wortmanni in June 1946. The 

 species has been represented in the present study by 13 additional strains 



