286 



INDEX. 



macrococcum, Mesotaenium, var. 



micrococcum, 1 52 

 magnificum, Euastrum, var. cras- 



soides, II 5 

 Mahabuleshwarensis, Helierella, II 



121 



- Micrasteiias, II 121 



- A. genuina, a indica, II 122 



- var. Wallichii, II 122 

 Malinverniana, Arthrodia, I 145 

 Malinvernianum, Closterium, I 145 



- Cosmarium, III 199 



- var. Badense, III 199 

 mammillosa, Helierella, II 31 

 mammillosum, Euastrum, II 31 

 Manfeldtii, Staurastrum, V 114, 168 



- var. annulatum, V 115 

 margaritacea, Cylindrocystis, I 83 

 margaritaceum, Closterium, I 83 



Didymidium (Staurastrum), V 



131 

 Penium, I 24, 83 



- var. punctatum, I 88, 90 

 Pentasterias, V 131 

 Phycastrum, V 131 



- (Stenactinium), V 131 



- Staurastrum, I 14 ; V 131 



- var. coronulatum, V 132 



- var. hirtum, V 133 



- var. inflexum, V 108 



- var. ornatum, V 111, 133 



- var. robustum, V 133 



- var. subcontortum, V 134 



- var. truncatum, IV 175 

 margaritatum, Cosmarium, IV 18 



- f. subrotundata, IV 19 

 margaritifera, Helierella, III 199 



- Micrasterias, III 199 

 margaritiferum, Cosmarium, III 160, 



199 



- f. confusa, III 203 



- f. genuina, III 157 



- var. geiiuinum, III 199 



- var. incisum, III 159 

 f. Kirchneri, III 203 



- f. regularior, III 203 



- var. reniformis, III 157 

 Didymidium (Cosmarium), III 



199 



Euastrum, III 199 

 maximum, Docidium, I 213 

 Pleurotsenium, I 213 



- var. occidentale, I 212 

 megacanthum, Staurastrum, V 20 



- var. scoticum, V 21 

 megalonotum, Staurastrum, V 182 



- f. hastata, V 77 



" forma,' 1 Nordst. V 185 



melanospora, Ursine! la, II 162 

 melanosporum, Cosmarium, II 162 

 melitensis, Micrasterias, II 113, 116 



var. gracilior, II 113 

 Meneghinianum, Dysphinctium, III 



Meneghinii, Cosmarium. Ill 90 



- " forma," II 58 



var. angulosum, III 93 

 var. concinnum, III 95 



- f. crenulata, II 150 



- var. genuinum, III 91 



- f. Isevis, III 95 



- f. latiuscula, III 92 



- var. nanum, III 93 



- f. octangularis, III 101 



- f. Reinschii, III 86 



- f. rotundata, III 97 



- var. simplicissimum, III 86, 

 100 



- var. subhexagonum, III 100 



- f. tricrenata, II 150 



- f. vulgaris, III 91 



- var. Wollei, III 52 

 Meneghinii, Euastrum (Cosmarium), 



III 91 

 Ursinella, III 91 



Meriani, Didymidium (Staurastrum), 



IV 122" 



- Staurastrum, IV 122 ; V 269 



- f. constricta, IV 122 



- f. rotundata, IV 124 

 mesochondrium, Cosmarium, III 242 

 mesoleium, Staurastrum, V 196 

 Mesotaenium, I 1, 2, 3, 24, 26, 48 ; 



V239 



Micracanthum, IV 50 

 Micrasterias, I 2, 4 ; II 76 

 micrococca, Palmoglcea, I 52 

 micrococcum, Mesotaenium, I 52 

 micron, Staurastrum, V 123 

 microsphincta, Ursinella, II 156 

 microsphinctum, Dysphinctium, II 

 156 



- Cosmarium, I 14 ; II 156 



- var. ma jus, II 157 



- f. parvula, II 157 

 minimum, Cosmarium, III 66 

 minor, Schizospora, I 79 

 minus, Cosmarium, III 173 

 minuta, Spirotsenia, I 41 



- var. eboracensis, I 42 



- var. minutissima, I 41 



- var. obtusa, I 41 

 minutissima, Cylindrocvstis, I 62; V 



260 



minutissimum, Cosmarium, III 47, 

 126 



