INDEX. 



EXCLUSIVE OF SYNONYMS. 



FRESH-WATER. Classi- 

 fication of, . . . 47-50 

 ANAB^ENA, Bory, . . . 285 

 sub -genera of, . . 286 



" Cupressaphila, Wolle, 288 

 Flos-aquse, Kg., . . 286 

 Var. circinalis, Kg., 287 

 '* aestuarii, Wolle, 287 

 gigantea, Wood, . . 287 

 osc'illarioides, Bory, . 288 

 " stagnalis, Kg., . . 288 

 variabilis, Kg., . . 288 

 ANACYSTIS, Menegh., . . 328 

 " Brnnnea, (Naeg.) Wolle, 329 

 " Marginata, Kg., . . 329 

 pnlvereus,(Wood)Wolle, 329 

 APHANIZOMENON, Morren, . 291 

 flos-aqu^e, Allman, . 291 

 APHANOCAPSA, Naeg., . . 333 

 Grevillei, (Hass.) Rab., 333 

 APHANOCHAETE, A. Br.,. . 119 

 " globosa, (Nord.) Wolle, 119 

 repens, A. Br., . . 119 

 " verniiculoides, Wolle, . 119 

 APHANOTHECE, Naeg., . . 325 

 pallida, Rab., . . . 325 

 prasina, A. Br., . . 325 

 APIOCYSTIS, Naeg., . . . 201 

 Brauniana, Naeg., . 202 

 ARTHRODESMUS. See Desmids 



U. S., p. 95, . . . 35 



incrassatus, Lagh., . 35 



Var. Cyclacadus, Lagh., 35 



notochondrus, Lagh., . 35 



pachycerus, Lagh., . 36 



triangularis, Lagh., . 36 



ASTEROTHRIX, Kg., . . 322 



" Creginii, Wolle, . . 322 



" Per ty ana, Naeg.. . 323 



AUTHORITIES QUOTED, . . vii 



BAMBUSINA, See Desmids, U. S., 



p. 24, 21 



" gracilescens, Nord., . 21 



BANGIA, Lyngb., . . . .54 

 Atro-purpurea,(Dillw. ) 



Ag., .... 55 



BATRACHOSPERMACEJE, . . 55 



BATRACHOSPERMUM, Roth, . 55 



" moniliforme, Roth, . 56 



Var. atrum, Harv., 57 



" confusum, Hass., 57 



" Kuehnianum,Rab. 57 



" pulcherinum,Bory,57 



" setigerum, Rab., 57 



" vagum, Ag., . . . 57 



Var. keratophytum, 



Bory, . . . .58 

 BEGGIATOA, Trevis, . . 318 



leptomitiformis, 



(Menegh.) Trevis, :519 



" niveum, Rab., . . 318 



BOTRYCOCCUS, Kg., . . . 195 



Braunii. Kg., . . . 195 



BOTRYDIACE^E, . . . 154 



BOTRYDIUM, Wallr., . . . 155 



granulatum, Linn., . 155 



BOTRYDINA, Breb., . . . 194 



" vulgaris, Breb., . . 195 



BUI.BOCHAETE, Ag., . . .95 



" species of, ... 96 



Brebissonii, Kg., . . 99 



" crenulata, Pringsh., . 97 



" elachistandra, Wittr., . 97 



" gigantea, Pringsh., . 99 



insignis, Pringsh., . .101 



" intermedia, D. By., . 97 



" minor, A. Br., . . 101 



" mirabilis, Wittr., . 100 



nana, Wittr., . . .100 



poly and ra, Cleve., . 9S 



py gmaea, ( Pringsh . ) 



Wittr., ... 100 



rectangularis, Wittr., . 102 



repanda, Wittr., . . 102 



rhadinospora, Wittr., . 103 



" setigera, (Roth) Ag., . 98 



" subsimplex, Wittr., . 101 



