Palmogloea endospira 75. 



— macrococca 74, 75. 



— Meneghinii 74. 

 Penium 50, 73. 



— Brvbissonii 74. 



— closterioides 73. 



— crassiusculum 73. 

 furtum 72 

 Cylindrus 74. 



— Digitus 73. 



— docidioides 41, 73. 



— Jenneri 74. 

 inteiTuptum 42 — 44, 



46, 73. 

 ■ — lamellosum 41, 73. 



— margaritaceum 46, 73. 



— Navicula 73. 



— oblongum 42, 73. 

 Ralfsii 45, 73. 



Pentasterias 71. 

 Phycastrum 71. 



— longispinurn 72. 

 Pleurocarpus mirabilis 25, 81. 

 Pleurotaeniuin 40, 45, 75. 



— Baculum 75. 



— clavatum 75. 



— cosmarioides 75. 

 Ehrenbergii 75. 

 nodulosum 75. 



— trancatum 75. 

 turgidum 75. 



Polyedrium lobulatum 71. 

 Raphidium 77. 

 Rhynchonema 5, 78. 



Rhynchonema reversum 62. 

 Salmacis 78. 

 Saprolegnieae 61, 66. 

 Sirogonium 13, 78. 

 Braunii 78. 



— breviarticidatum 78. 

 notabile 7S. 



— sticticum 13, 78. 

 Sphacroplea 58. 

 Sphaerozosma 41, 46, 50, 76. 



— excavatum 45, 76. 



— secedens 45, 76. 



— yertebratum 45, 76. 

 Spirogyra 1, 78. 



— alpin a 5. 



— crassa 3. 



— Heeriana 4-6 



— longata 3, 5. 



— mirabilis 7. 

 nitida 3. 



— orthospira 1, 5. 

 quinina 3. 



Spirotaenia 40, 45, 75. 



— condensata 75. 



— muscicola 75. 



— obscura 75. 

 trabeculata 75. 



Spondylosium 76. 

 Sporodinia grandis 65. 

 Staurastrum 41, 45, 47, 50, 71 



dejectum 44, 48, 50. 



enorme 71. 



— orbiculare 38. 

 spiiiösum 44. 



Staurastrum tetracerum 71. 

 Staurocarpus 81. 

 Stauroceras 73. 

 Staurospermum 19, 21, 23, 81 



— caerulescens 81. 



— capucinum 81. 



— glutinosum 81. 



— gracillimum 81. 



— quadratum 22, 81. 



— viride '22, 81. 

 Steph a n oxanthium 7 1 . 

 Stigeoclonium 61. 

 Surirella bifrons 64. 

 Syzygites megalocarpus 

 Tetmemorns 73. 



Brcbissonii 73. 

 -■ .granulatus 29,41, 51,74. 



— 'laevis 51, 74. 



minutus 41, 74. 

 Tetracanthium 72. 

 Thwaitesla 11. 

 Trichiaceen 61. 

 Tyndaridea anomala 8. 



— conspicua 77. 

 decussata 77 

 immersa 11. 



— Ralfsii 11. 

 Uredineen 5 

 Ulothrix 62. 

 Vaucheria 58, 62. 

 Volvox 58. 



Xanthidium 44, 50, 72. 

 Zygnema 78. 

 Zygnema 6, 8, 77. 



Zygnema Brcbissonii .78. 



— insigne 11, 78. 



— leiospennum 10, 11, 77. 



— mirabile 1. 



— pectinatum 9, 56, 77. 

 stellinum 10, 11, 78. 



— tenue 78. 



— Vaucheri 10, 78 

 Zygnemeae 70. 

 Zygogonium didymuni 79. 



— ericetorum 79. 



— torulosum 79. 

 Zygogonium 11, 77. 



64. — aequale 78. 



— affine 78. 



— anomalum 78. 



— crassum 80. 



— cruciatum 80. 



— decussatum 78. 



— delicatulum 80. 



— gracile 80. 



— herc.ynieum 80. 



— laeve 80. 



— lutescens 78. 



— nivale 78. 



— parimlum, 78. 



— ■pectinatum 80. 



— peruvianum 80. 



— pleurospermum 80. 



— salinum 80. 



— saxonicnm 80. 



— scalare 80. 

 Zygoxanthium 72. 



