Index 



Monostroma (cont.) 

 angicava, 238. 

 arcticum, 236, 238. 

 areolatum, 236, 240; plate showing, 

 opp. 358 ; figure showing, opp. 

 360. 

 Blyttii, 238, 243. 

 cylindraceum, 238. 

 fuseum, 236, 238, 242. 

 var. Blyttii, 243, 244. 

 var. splendens, 242, 243. 

 Grevillei, 236, 237, 238. 

 var. lubricum, 237. 

 var. Vahlii, 237. 

 groenlandicum, 248. 

 latissimum, 236, 238, 241, 242. 

 leptodernmm, 239. 

 lubricum, 237. 

 orbiculatum, 236, 242. 

 quaternarium, 236, 240, 241. 

 saccodeum, 238. 

 splendens, 238, 243. 

 Vahlii, 237. 



zostericola, 236, 237, 238, 239; fig- 

 ures showing, opp. 336. 

 Myxophyeeae, 1-138. 

 Myxophykea, 3. 

 Nitella, 289. 

 Nostoc, 90, 92. 

 Linckia, 92. 

 Quoyi, 111. 

 Nostocaceae, 51, 89. 

 Nostoceae, 89. 

 Nostochopsis, 112. 

 Oedogonium, 163. 

 Oscillaria 



margaritifera, 61. 

 neapolitana, 66. 

 submembranacea, 71. 

 Oscillarideae, 52. 

 Oscillatoria, 58. 



acuminata, 59, 65; figure showing, 



opp. 124. 

 amphibia, 63. 

 Bonnemaisonii, 59, 60. 

 brevis, 59, 65. 



var. neapolitana, 66. 

 chalybea, 59, 67. 

 Corallinae, 59, 62. 

 geminata, 59, 63. 

 laetevirens, 59, 64. 

 limosa, 59. 



margaritifera, 59, 61. 

 nigro-viridis, 59, 62. 

 Okeni, 59, 66. 

 Oscillatoriaceae, 51, 52, 53. 

 Oscillatorieae, 57. 

 Palmella conferta, 17. 

 Palmella? tuberculosa, 16. 

 Palmellaceae, 143. 

 Palmelleae, 143. 

 Percursaria, 245, 273, 274. 



percursa, 274; figure showing, opp. 

 336. 



Phormidium, 53, 68. 

 ambiguum, 68, 70. 

 fragile, 68, 69. 

 hormoides, 68, 69; figure showing, 



opp. 134. 

 laminosum, 90. 

 lucidum, 68, 71 ; figure showing, opp. 



124. 

 submembranaceum, 68, 71. 

 Phycochromophyceae, 3. 

 Phycoseris lapathifolia, 265. 

 Linza, 265. 

 lobata, 269. 

 Placoma, 6, 11. 



violacea, 12 ; figures showing, opp. 

 130. 

 Planosporaceae, 146. 

 Plectonema, 53, 78. 



Battersii, 79 ; figure shoAving, opp. 



124. 

 Golenkinianum, 80. 

 mirabile, 78. 

 Pleuroeapsa, 21, 23, 24, 26, 36. 

 amethystea, 24. 



var. Schmidtii, 31. 

 conferta, 17. 

 entophysaloides, 36, 38; figures 



showing, opp. 130 and 136. 

 fuliginosa, 36, 39. 

 gloeocapsoides, 36, 37 ; figures show- 

 ing, opp. 132. 

 Pleurococcus rufescens, 10. 

 Polyeystis, 13. 

 Porphyra, 261. 

 Prasiola, 9, 275, 276. 



borealis, 276, 277, 278 ; figures show- 

 ing, opp. 328. 

 calophylla, 276, 277. 

 delicata, 276, 278; figures showing, 



opp. 342, 346, and 348. 

 furfuracea, 278. 

 meridionalis, 276,. 278, 279; figure 



showing, opp. 348. 

 tesselata, 278. 

 Principes, 59. 

 Pringsheimia scutata 



f. Cladophorae, 16, 33. 

 Protococcales, 142, 143. 

 Protococcoideae, 143. 

 Protococcus 

 rufescens, 10. 

 turgidus, 11. 

 Protosiphon, 154. 

 Protosiphonaceae, 153, 154. 

 Pseudodictyon, 287, 293, 294. 



geniculatum, 293, 294; figures show- 

 ing, opp. 330. 

 Pseudospringsheimia, 287, 296, 297, 

 299. 

 apiculata, 300 ; figures showing, opp. 



342. 

 confluens, 300. 



[379] 



