INDEX. 



279 



dejectum, Staurastruin, V 7, 11, 12, 



14 

 var. a, V (j 



var. [3, V 1 1 



var. apiculatum, V 



var. connatum, V 15 



var. Debaryanum, \ '2 



- var. Dickiei, V .'! 

 var. inttatum, V 10 



- var. lunatum, A' 7 



- f. major, V 9 



var. mucronatum, V 11 

 var. patens, V 9 



- f. punctata, V 7 



- subsp. Tellaniii. IV W 

 Delpontei, Arthrodia, 1 185 



- ' 'losterium, I 185 

 deltoideum, Staurastrum, \" r>7 

 denticulata, Helierella, II lo.l 



Micrastcrias, J Id. 14 ; 11 105 

 var. aiiirulosa, II 107 



- var. angusto-sinuata. II 108 



var. intermedia, 11 lo'.i 



- var. licmoides, 1 1 lit 1 .) 



- var. notata, II 108 



- var. subnotata, II 108 



- var. Thomasiana, II 1 1( 

 denticulatum, Didymidium (Micras- 



tcrias), II lo.'i 

 Euastrum, II 56 



- var. granulatum, II 57 



- Ph vast rum (Pachyactinium), V 



38 



Maurastnim, \' 38, 41 

 dentiferum, Cosmarium, 111 156 

 Denotarisii, Cosmarimn, III 124 

 ilrpn-ssa. I'rsinella, II ITti 

 depressum, Cosmarium, II 176 



- var. achondrum, II 177 



- var. minor, A' 268 



- var. renifnrinc. 1 1 178 

 Euastrum (Tetracanthium), il 



170 



- Spli;cn>/,i>sma. \' 223 



- Spomlylosium, V 223, 224 



- Staurastruin, IV 135 



f. aperta, IV 134 

 desmidioides, Debarya, I 12, 24 

 Dcsiiiidium, 1 2, V 240 



- Aptogonum, V 242 



- Odontella. V 243 



De Tonyi, Staurastruin, V 174 

 diagoiium, Aptogonum, V 243 

 Diana?, Arthrodia, I 130 



- Closterium, I 130 



var. arcuatum, 1 131 



- var. incurvum, I 130 

 var. Jenneri, I 135 



Dianse, Closterium, var. tvpicum, I 

 130 



- var. Venus, I 137 

 dichotoma, Alicrasterias, II 115 

 Dichotomum, V 121 

 Dickiei, Staurastrum, V 3 



var. circulare, V 5 



- f. punctata, V 4 



- var. rhomboideum, V 5 



- var. semicirculare, V 5 

 Dictyosphserium, V 1!J8 

 Didelta, Cosmarium. II 15 



Kuastrum, II 10, 15 



- f. scrobiculata, II 17 



- var. sinuatum, II 15 

 var. tatricum, II 15 



- var. tvpicum, II 15 

 Heterocarpella, II 15 



didymacanthum, Euastrum, II 81 

 didymocarpa, Schiznspora, I 7!i 

 didymocarpum, Closterium, I 181 



iVniuin. I 11, 79 



didymochondra, L'rsinella, ill 202 

 didymochondrum, Cosmarium, 111 262 

 Didymocladon, IV 119 

 Didymoprium, V 241 

 didymoprotupsum, C.'o.smarium, III 



192 



didymotoca, Arthrodia, I 117 

 didymotocum, Closterium, 1 116 



- var. asperulatum, 1 118 



- var. BailJyanum, I 117, 118 

 dim'cilc, Cosmarium, J 1 1 96 



var. subla3ve, III 97 

 Diiritus, Closterium, I 64, 06 

 Xetrium, I 64 



- var. constrict um, I 64 

 Penium, I 14, 64 



- f. curta, I 04 



- var. montanum, I 04 



- f. recta, I 04 



dilatata, C.oniocystis (Staurastruin), 



IV 173 



dilatatum, Closterium, I 121 

 Docidium, I 195 



- var. subundulatum, I 190 

 Phycastrum, IV 173 

 Pleurotseiiium, I 100 



- Staurastrum, IV 172 



- var. alternans, IV 170 



- var. extensum, IV 177 



- var. hibernicum, IV 175 



- var. iiidicum, IV 177 



- var. insigne, IV 170 



- var. obtusilobum, IV 173 



- var. truncatum, IV 175 

 diplacanthum, Staurastrum, V 186 



var. anglicum, V 186 



