Plate 57 



Fig. 1. Closteriopsis longissima Lemmermann, x 300 



Figs. 2, 3. Closteriopsis longissima var. tropica West & West: 2, x 

 220; 3, X 400 (after Smith) 



Fig. 4. Schroederia setigera ( Schroed. ) Lemmermann, x 1000 



( after Smith ) 



Figs. 5, 6. Schroederia Judayi G. M. Smith: 5, x 1000 (after Smith); 

 6, X 1500 



Figs. 7, 8. Kirchneriella contorta (Schmidle) BohUn: 7, x 650; 8, x 

 1000 



Fig. 9. Selenastrum Bibraianum Reinsch, x 1000 (redrawn from 



Smith) 



Fig. 10. Selenastrum Westii G. M. Smith, x 1000 (redrawn from 

 Smith) 



Fig. 11. Selenastrum gracile Reinsch, x 1000 (redrawn from 

 Smith) 



Fig. 12. Kirchneriella ohesa var. major (Bernard) G. M. Smith, 

 x500 



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