INDEX 



175 



orthospira, 125 

 parvula, 127 

 petitiana, 127 

 porticalis, 127 

 pratensis, 127 

 propria, 127 

 protecta, 127 

 punctiformis, 127 

 quadrata, 127 

 rectangularis, 127 

 rectispira, 155 

 reflexa, 128 

 reticulata, 128 

 rivularis, 155 

 rugosa, 128 

 scrobiculata, 128 

 setiformis, 128 

 singularis, 128 

 spreeiana, 128 

 stictica, 121 

 subaequa, 155 

 submaxima, 128 

 tenuissima, 128 



V. rugosa, 128 

 teodoresci, 129 

 ternata, 126 

 tetrapla, 129 

 triplicata, 129 

 varians, 129 



V. minor, 129 



V. scrobiculata, 128 

 velata, 129 



V. occidentalis , 126 

 wabashensis, 129 

 weberi, 130 



V. elongatum, 155 

 Spirulina, 25 

 gomontiana, 25 

 jenneri, 25 

 major, 25 

 nordstedtii, 25 

 Spondylosium, 141 

 planum, 141 

 pygmaeum, 141 

 Staurastrum, 141 

 alternans, 141 

 crenatum, 141 

 cuspidatum, 141 

 dilatatum, 141 

 gracile, 141 

 hexacerum, 142 

 margaritaceum, 142 

 oxyacanthum, 142 

 polymorphum, 142 

 punctulatum, 142 



Staurogenia lauterbornei , 112 

 Stauroneis, 58 

 acuta, 58 

 anceps, 58 



V. birostris, 58 

 V. linearis, 58 

 gracilis, 58 

 linearis, 58 

 phoenicentron, 58 



V. amphilepta, 58 

 phyllodes, 58 

 producta, 58 

 Stephanodiscus, 40 

 astraea, 40 



V. intermedia, 40 

 V. minutula, 40 

 hantzschii, 40 

 minutus, 40 

 niagarae, 40 



V. magnifica, 40 

 Stichococcus, 75 

 bacillaris, 75 

 flaccidus, 76 

 subtilis, 76 

 Stigeoclonium, 80 

 glomeratum, 80 

 longipilum, 80 

 lubricum, 80 



V. varians, 81 

 nanum, 81 

 stagnatile, 81 

 subsecundum, 81 

 tenue, 81 

 V. uniforme, 155 

 Stigonema, 29 

 minutum, 29 

 Stigonemataceae, 3, 29 

 Slriatella 

 fenestrata, 41 

 flocculosa, 41 

 Surirella, 67 

 angusta, 67 

 apiculata, 67 

 biseriata, 67 



V. bifrons, 67 

 campylodiscus , 155 

 cardinalis, 68 

 didyma, 67 

 legans, 67 



V. norvegica, 67 

 guatimalensis, 68 

 linearis, 68 



V. constricta, 68 

 minuta, 68 

 norvegica, 67 



