INDEX TO PLATES. 



259 



Euastrum puloherrimum W. 8f 0. 8. West var. divisum 



Euastrum serratum Josh 



Euastrum validum W. fy Q. S. West . 



Plate. 

 sir, fig. 7 

 xiv, fig. 2, 9 



xir, fig. 4 



H 



Hapalosiphon Welwitschii W. 8f 0. 8. West 

 Herpesteiron conf ervicola Nag . 



Hyalotheca Burmensis . . . , 



Hyalotheca dissiliens (8m.) Brib. 



xii, figs. 29—32 



x, figa. 1 —4 

 xii, figa, 1 — 4 

 xii, figs. 11—15 



M 



Miorasterias foliacei Bail var. ornata Nordst xiv fig. 22 



Micrasterias incisa Breb. var. Mansangense xiv, fig. 18 



Miorasterias Mobii (Borge) W. fy 0. 8. West var. Burmense. 

 Miorasterias Mobii var. integrum 

 Micrasterias tropica Nordst. 



Microthamnion curvatum 



Mougeotia parvula Ease. . 



Mougeotia producta . 





xiv, figs. 19, 20 

 xiv, fig. 21 

 xiv, fig. 23 



xi, figs. 14-lfi 



x, figi. 14, 15 



x, figs. 16—19 



N 



Nostoc humifusum Carm. var. fluitans 



xii, figs. 27, 28 



O 



{Edogonium oblongellum Eirchn. 



Onychonema compaction 



Onychonema lseve Nordst. 



Ophiocytium cochleare (Eichw.) A. Br. 



Ophiocytium elongatum 



xi, figs. 1, 2 



xii, figs. 6, 7 

 xii, figs. 8 — 10 

 xi, fig. 13. 

 xi, figs. 11,12 





P 



Penium adeloohondrum Elfv 



Penium Clevei Lund, Jorma elongata 

 PeDium cucurbitinum Biss, var. subpolymorphum 

 Pleuroteenium cristatum (Turn.) Borge * 

 Pleutrotasnium Cuyabense Borge 

 Pleurotsenium ovatum Nordst. var. tumidum . 



xiii, fig. 16 



xiii, fig. 2 

 xiii, fig. 14 



xiii, fig. 1 1 

 xiii, fig. 10 

 xiii, figs. 8, 9 



S 



Scenedesmus iucrassatulus Bohlin 

 Spirogyra decimina (Mull.) Kutt . 



Spirogyra exilis 



Spirogyra orientalis . • • • 



Staurastrum Avicula Breb. var. rotundatum 

 Staurastrum bifidum, Breb. . 



Staurastnun birotatum . • • 



Staurastnun Burkillii . 

 Staurastrum calodermum . 

 Staurastrum capitellatum . 

 Staurastnun compsobrachiatum 

 Staurastrum disparatum . 

 Staurastnun gyratum. 



xii, fig. 26 

 x, figs. 6-8 

 x, figs. 11—13 

 x, figs. 9, 10 



xv, fig. 25 

 xvi, fig. 7 

 xvi, fig. 13 

 xvi, fig. 3 

 xv, fig. 26 



fig 



23 



xn 

 xv. 



