525 



Eijl Fuiimori and Kenneth Quinlan 



q: 



o 



3 



500 



600 



700 



800 



X (mfi.) 



Fig. 5 Fluorescence spectra of Porphyridium cruentum , 

 (pH 7.0,6.8x10-5m PCMB, Excitation at 500 m|x) 



X (m^) 



BOO 



Fig. 6 Fluorescence spectra of Anacystis nidulans. 

 (pH 7.0,6.8x10-5m PCMB, Excitation at 615 mh^) 



