622 



TEXTBOOK OF BOTANY 



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Fig. 284. Various forms of desmids, and conjugation in Desmidium (14). 

 Genera represented: 1-2 Micrasterias, 3 and 8 Euastrum, 4 and 7 Staurastnim, 

 5, 6 and 13 Cosmarium, 9 Pleitrotaenium, 10 Triploceras, 11 Closteriiim, 12 

 Penium, 14-15 Desmidium. Figures from Fr. Irene-Marie, H. Skuja. 



