INDEX. 



The names printed in inalics are synonyms. 



Page 



Achnanthes. 



dbnorpha, Turpin . 191 

 obliqua, Turpin ... 192 

 octalterna, Tuqjin 19.3 

 quadralterna, Turp. 193 

 quadricauda, Turp. 190 

 quadrijuga, Turpin 190 



Ankistrodesmus, 179, 205 



convolutus 222 



falcatus 180 



fusiformis 222 



gregariuSf^rih. ... 180 



Aptogonum 63, 196 



Baileyi 208 



Desmidiuui 64 



Arthrodesmus ... 117,200 



acutus,^h.x 191 



acutus, Bailey 193 



convergens 118 



cylindriciis, Ehr.... 57 



Incus 118 



minutus 213 



octocornis, Ehr. ... 116 

 pectinatus, Ehr. ... 191 

 quadricaudatus, YAir. 190 

 ? truncatus 213 



Bacillarla. 



Lunula, Schrank... 163 



Bambusina. 



Brebissonii,Kutz.. 59 



Binatella. 



aculeata, Breb. ... 113 

 bacillaris, Breh. ... 214 



hispida, Breh 127 



muricata, Breb. ... 126 

 muticum, Breb. ... 125 

 tricornis, Breb. ... 134 

 tricuspidata, Breb. 122 

 tumida, Brel) 126 



Closterium 159, 204 



acerosum 1 64 



acuminatum, Kiitz. 220 



Acus, Nitzsch 175 



acutuni 177 



Amblyonema 220 



angustatum 172 



ai'cuatum , 219 



Page 



attenuatum 169 



Baculum, Breb. ... 158 

 Baillyanum, Br^b. . 169 

 £re6is5o?ji j.Menegh. 145 

 caudutum, Corda... 175 

 clandestinum,Kutz. 109 



Cornu 176 



costatum 170 



crenulatum, Ehr.... 219 



Cucumis 219 



curtum, Breb 109 



cuspidatum 219 



Cylindrocystis,Ktz. 153 

 Cylindrus, Ehr. ... 150 



decussatum 220 



Dianae 168 



didymotocum 168 



Digitus, Ehr 151 



dilatatum, Kiitz 170 



doliolatum, Breb... 170 



Ehrenbergii 166 



elongatum, Breb.... 173 

 falcatvm, Menegh. 180 



gracile 221 



granulatum, Breh.. 147 

 gregarium,Menegh. 180 



insequale 221 



intermedium 171 



Jenneri 167 



juncidum 1 72 



l(Bve, Kiitz 146 



lamellosum, Breb. . 151 



lanceolatum 164 



Leibleinii 167 



lineatum 173 



lineatum, Bailey ... 220 



Lunula 163 



Lunula, Kiitz 166 



Lumila,lje\h\ 167 



margaritaceum,^hr. 149 



monile, Kiitz 145 



moniliferura 166 



nodosum, Bailey ... 218 



obtusanguliun 221 



quadrangulare 22 1 



Ralfsii 174 



rostratum 175 



rostratum,'R,2\h... 174 

 rostratum, B&iley .. 176 



ruficeps, Ehr 168 



Sceptrum, Kiitz.... 158 



setaceum 176 



striolatum 170 



subrectum, Breb.... 169 

 sulcatum, Breh. ... 172 



tenerrimum 222 



tenue, Kiitz 176 



tenue, Bailey 165 



Thureti 219 



Trabecula, Ehr. ... 157 

 TraiecwZa, Bailey. . 155 

 trabeculoides,Corda. 158 

 truncatum, Breb.... 156 

 truncatum,K.iitz... 156 



turgidulum 221 



turgidum 1 65 



uncinatum 220 



Venus 220 



verrucosum, Bailey 218 



Conferva. 



dissiliens. Smith... 51 

 mucosa, Mertens... 53 



Cosmarium 91, 198 



aculeatum, Menegh. 1 13 



amcenum 102 



antilopcBum, Br&o. . 114 

 armatum, Breb. ... 112 



attenuatum 110 



binale, Menegh. ... 90 



bioculatum 95 



bioculatum, Menegh. 96 



biretura 102 



Botrytis 99 



Brebissonii 100 



Broomeii 103 



ca;latum 103 



commissurale 105 



connatum 108 



conspersum 101 



crassu7n,Breh 81 



crenatum 96 



cristatum 105 



Cucumis 93 



Cucumis, Ralfs 93 



