INDEX. 



299 



turgidum, Cosmaridium, III 115 

 - Cosmarium, III 115 



var. subrotundatum, III 116 

 Docidium, III 115 

 Dysphinctium. Ill 115 

 Pleurotaenium, III 115 

 turgidus, Caloeylindrus. Ill 115 



PJeurotaeniopsis, III 115 

 Turner!, Cosmarium, 111 160 

 Turnerianum, Cosmarium, II 145 

 Turnerii, Euastrum, II 37 

 Turpinii, Cosmarium, III 189 



var. Brebissonii. III Is'.t 

 var. cambrirum. IV 4S 

 var. eximium, III 192 

 f. gallica, III 189 

 - var. Lundfllii. Ill ls 

 var. podolicum, III 191 

 var. polonicum. III 182 

 frsinella, III ls.i 



, Closterium, I 127 

 umbilicatum, Cosmarium, 1 1 1 88 



undulata. H \ a]<-t hcca, V 239 

 var. producta, \ 23*. > 

 rrsinella, II 14S 



undulatum, Cosmarium, II 148 

 var. crenulatum. II 150 

 var. minutum. II 149 

 \ar. nbtusatum. III 7 

 \ ar. subundulatum, II 151 



- var. tumidum, II 151 

 var. Wollei, II 150 



Didymidium (Cosmarium), II I -is 

 Docidium, I 14. 194 



var. dilatatum, I 196 



- f. perundulata, I 196 

 Euastrum (Cosmarium), II 14S 

 I'lfUi-otii-nium. I 195 



Ungeriana, Ursinella, III 195 

 Ungerianum, Cosmarium, 111 195 



var. subtriplicatum, III 196 

 Kiiastrum (Cosmarium), III 1 ( .>5 

 Timeri, Didymidium, V 28 



- Staurastrum. V 28 

 unidentata. Sphserozosma, V 2<><) 

 tYsinella, II 126 



Vacuoles, I 5 



validum, Euastrum, II 75 



variabile, Xanthidium, IV 81 



- var. complexum. IV 83 

 variabilis, ActinocA'dus, V 235 

 Variation, I 7 



variolata, Ursiuella, II 203 

 variolatum, Cosmarium, II 203 

 vastum, Staurastrum, V 181 

 Vegetative reproduction, I 8 



ventricosa, Helierella, 11 4 

 ventricosum. Euastrum, II 4 

 Venus, Arthrodia, I 137 



- Closterium, 1 137 

 venusta, Ursinella, III 9 

 venustum, Cosmarium, III 8 



var. hypohexagonum, III 10 



- f, incrassata. Ill 10 

 var. majus. 1 1 1 11 



f. minor. III 10 

 Euastrum, III 8 ; V 269 



var. majus. Ill 11 

 vrrrurosa. Helierella, II 64 



]\Ii( rast( lias, 1 I 109 

 verrueosum. Kuastrum, 11 2. 64 

 var. alatum, II 67 



- var. coarctatum, 1 1 66 



\ ar. plain toiiicum, 1 1 67 



- var. roductum, II 65 

 var. sim])lcx. II <i~ 



- f. tuiiit'M -ens. 1 1 Ii7 

 var. t\|>icuni. 1 1 Ii4 



vrrtobrata. Istliniia. \" L'li'.l 



- IstliniMsim. \" iMKI 

 vertebratum. Desmidium, \" 2<> ( .t 



- Sphaerozosma, \' 209 



var. latins. \* 211 



- f. minor. V 210, 213 



\ ar. pimrtulatum, A" 210 

 vertioillatum, Staurastnnn, I 14 : V 



155, 156 

 vestitum, Didymidium (Staurastrum), 



V 158 



Staurastrnm, \' 158 



var. diplacanthum, V 186 

 var. ornatum, V 158 

 var. semi vestitum, V 160 

 var. subanatinum, \" 159 



vexatum. Cosmarium, III 187 

 var. concavum, III 187 



violascens. Mesota-nium, I 6, 55 



Palmogloea, I 55 

 viride, Cosmarium, III 113 



- f. glabra, III 114 



- f. minor. III 113 

 Dysphinctium, III 113 



viridis. Colpopelta, III 113 

 Volkensii. Pleurotaeniopsis, III 22 



Wallichii, Helierella, IT 122 

 Micrasterias, II 122 



var. Hermanniana, II 122 



- f. major, II 122 



- f. typica, II 122 



- Sphserozosma. V 214 



- var. anglicum, V 215 

 Webbianum, Euastrum. II 34 



