354 



INDEX. 



PITHOPHORA, Wittr., . . 130 



" aequalis, Wittr., . 131 



Var. Floriderise,Wolle, 131 



Kewensis, Wittr., . 13t 



Oedogonia,( Mont.) Wittr., 130 



Var. Vaucherioides, 



(Wolle) Wittr., . 130 



PlTHOPHORIN.33 . . . 129 



PLAGHOSPBBMUM, Cleve, . . 233 



" tenue, Cleve, . . 233 



Var. minor, Wolle, . 233 



PLEUROCARPUS, A. Br., . 231 



Columbianus, Wolle, . 232 



" compressus, Lyngb., 232 



" mirabilis, A. Br., . . 232 



PT.ECTONEMA, Thur., . . 266 



" mirabile, Thur., . . 266 



POLYCYSTIS, Kg., . . . 330 



" Icthyoblabe, Kg., . . 330 



POLYEDRIUM, Naeg., . . 183 



enorme, (Ralfs) Rab., . 184 



" gigas, Wittr., . . 1S4 



longispinum, (Perty) 



Rab., ... 185 



" minimum, A. Br., . . 185 



muticum, A. Br., . 185 



trigonum, Naeg., . . 184 



Var. bifurcatum,Wille,184 



" minus, Reinsch, . 184 



" pentagonum, Rab., 184 



" punctatum, Kirch. ,184 



" tetragonum, Rab., 184 



" typicum, Kirch., 184 



PORPHYRACE,E, . . . .54 



PORPHYRIDIUM, Naeg., . . 194 



u cruentum, Naeg., . . 194 



PRASIOLA, Kg., . . . 106 



" crispa, Kg., . . .106 



" Mexicana, Liebm., . 107 



PROTOCOCCACE.E, . . . 169 



PROTOCOCCOIDE.E, . . . 156 



PROTOCOCCUS, Ag., . . xiv, 178 



" viridis, Ag., . xiv, 181 



Var. aiigulosa, 



Menegh., . 181 



" dissectus, Naeg., 181 

 " miniatus, (Kg.) 



Naeg., . . 181 

 " botryoides, Rab., 182 

 " gigas, Kg., . 183 

 " humicola, Naeg., 182 

 " infusionem, Rab., 182 

 " vestitus, Reinsch., 183 

 " wimmeri, Rab., . 183 



PSEUDO-COENOBIA, . . 174 



RAPHIDIUM, Kg., . . . 1P7 



Braunii, Naeg., . IPs 



" convolutum, (Corda) 



Rab IPS 



polymorphum, Fres., . 197 



Var. aciculare, A. Br., 197 



" contortum, Wolle, IPS 



" falcatum, (Corda) 



Rab., . . IPs 



" sigmoideum, Rab., 19S 



RHIZOCLONIUM, Kg., . . 144 



Casparyi, Harv., . 145 



fluitans, Kg., . . . 145 



fontinali, Kg., . . 144 



hieroglyphicum, Kg., 144 



Var. Americana, Wolle, 144 



Hosfordii, Wolle, . . 145 



major, Wolle, . . 146 



" salinum, (Schleich) Kg., 145 



" stagnate, Wolle, . 145 



RHODOPHYCE^E. Orders of, . 47 



RHODOPHYCEJE, .... 51 



RIVULARIA, .... 24S 



dura, Kg., . . . 249 



echinulata, Smith, . 249 



RIVULARIE^:, .... 23(i 



SCENEDESMUS, Meyen, . . 172 



acutus, Meyen, . 173 



" antennatus, Breb., . 172 



Var. rectus, Wolle, 172 



candatus, Corda, . . 172 



Var. abundans, Kirch., 172 



" horridus, Kirch., 172 



" setosus, Kirch., 172 



" typicus, Kirch., . 172 



" dimorphus, Kg., . 173 



obtusus, Meyen, . . 173 



polymorphus, Wood, 173 



" rotundatus, Wood, . 174 



SCHIZOCHLAMYS, A. Br., . 192 



SCHIZOGONIUM, Kg., . . . 139 



mu rale, Kg., . . 139 



SCHIZOSPOREJE, .... 235 



SCIADIUM, A. Br., ... 174 



" arbuscula, A. Br., . . 174 



" gracilipes, A. Br., . 175 



SCYTONEMA, Ag., . . . 250 



" Austinii, Wood, . 260 



" calotrichoides, Kg., . 251 



Castellii, Mass., . . 255 



cataracta, Wood, . . 252 



" chrysoclorum, Kg., . 253 



" cincinnatum, Thur., . 254 



" cinereum, Menegh., 258 



" cortex, Wood, . . 256 



