260 FEESH-WATEli ALGfE FBOM BtJEMA. 



Plate. 

 Staurastmm lsevispinum Bis*, var. tropicum • • . . xvi, fig. 1 



Staurastrum leptcdormum Lund. Tar. Ikapoae . xvi, fig. 8 



Staurastrum limneticum Schmidle var. Burmense • . . xvi, fig. 13 



Staurastrum Mansangense * xvi, fig. 4 



Staurastrum monticulosiforme xv, fig. 33 



Btaurastrum mucronatum Ralfs var. subtriangulare W. 8f 0. 8. xv, fig. 20 



West. 



Staurastrum Prainii . X vi, fig. 10 



Staurastrum protectum xvi, fig. 12 



Staurastrum retusum J«»*». var. punctulatum Eichl. 8f Quite. . . xv, fig. 30 32 



Staurastrum Sebaldi Reintch ....... xvi fig. 9 



Staurastrum sexaDgulare (Butn.) Lund. var. bidentatum Quite. . xvi, fig. 16 



Staurastrum Sonthalianum Turn. xvi fig. 6 



Staurastrum subindentatum xv, figs. 21 22 



Staurastrum subt rifuroatum W. fy Q. S. Went var. majua . xvi, fig. 15 



Staurastrum tauphorum W. 8f Q. S. West forma Burmense . xv, fig. 28 



Staurastrum tetracerum Ralfs var. trigranulatum . . . xv fig. 19 



Staurastrum unguiferum Turn. var. inerme (Turn.) . . , X vi, fig. 11 



8taurastrum unicorne Turn. Var. Ceylanicum, W. 8f Q. 8. West . xvi, fig. 2 



Staurastrum zonatum Borges, var. productum . . . xvi, fig. 14 



T 



Tetra«idron bif urcatum . ( JPVM) Lagerh. , ... . # xii fik. 22 * 



U 



Urococcus tropicus ..... •*-,*«, 



r '•••■••. xi, figs. 17—21 



V 



Vaucheria globulifera . fi 



Vaucheria orientalis . . . " "? „ g * n _ 



si, fig. 3—9 



X 



Xanthidium Burkillii 



Xanthidium sexmamillatum . . . [ [ ' ' * V * fi g * *? 

 Xanthidium sexmamillatum var. robustum '. '. ". \ x v fi 1 3 



Xanthidium spinosum Josh. * ' * \ &' 



• • • sv,'figs» 1—3 



' 2 



Zygnema spontaneum Nordtl. . « „ 



X, fig. 5 



v 



■••■>. 



^ * • 



B. S. Pre«-H666-305~25.2.1908-J. S. 



I 









