SPECIES OF ALG^E. 73 



IIQ. GL06OCAPSA. 



These forms have been divided into as many species as there 

 are different colors to the cells or to the integument; they are green, 

 red, black, brown, coppery, orange, yellow, olive, purple or colorless. 

 They have no value as distinct plants, being phases or stages of de- 

 velopment of higher Algae. Mr. Wolle considers them to be spores 

 or macrogonidia, of Sirosiphon 331 



120. APHANOCAPSA. 



Submerged; thallus globose Grevillei, 333 



On wet rocks; thallus expanded virescens, 333 



121. CHROOCOCCUS. 

 a. Cell contents bright bluish, becoming brownish; 13-25/4 diam. 



turgidus, 334 

 a. " " reddish or yellowish brown; 12-16^ diam. 



rufesccns, 335 

 a. " " blue green; 3-6// diam cohcerens, 335 



