Index 



309 



catenatum Ralfs (Cylindrospermum) 



198, 201 

 catenula (Kuetz.) Born, and Flah. 

 (Anabaena) 186, 191 

 var. americana Collins 192 

 centrifuga Bornet (Isactis) 281, 282 

 cesatiana Rab. (Oncobyrsa) 45 

 chalybea Mert. (Oscillatoria) 61, 82 

 var. genuina Collins, Holden and 

 Setchell 82 

 chalybea (Kuetz.) Gom. (Schizothrix) 



IS2 



Chamaesiphon Braun and Grunow 46, 



55 

 Chamaesiphonaceae 2, 46 

 chlorina Kuetz. (Oscillatoria) 60, 75 

 Chlorogloea Wille 3, 46 

 Chondrocystis Lemmermann 2, 24 

 Chroococcaceae i, 2 

 Chroococcus 2, 3, 31 

 Chroothece Hansgirg 2, 12 

 chrysochlorum KuiCtz. (Scytonema) 



217 

 chthonoplastes (Fl. Dan.),Thur. (Mi- 



crocoleus)' 155 

 cincinnata Kuetz. (Lyngbya) 214 

 cincinnatum Thur. (Scytonema) 214 

 cinereum Crouan (Scytonema) 216 

 cinereum Menegh. (Scytonema) 219 

 circinalis Rab. (Anabaena) 186, 190 

 cladophorae n. sp. (Lyngbya) 109, 



116 

 Clathrocystis Henfrey 3, Z7 

 coactile Mont. (Scytonema) 211, 213 

 var. radians Crouan (Scytonema) 

 213 

 coadunata (Sommerfelt) Foslie (Rivu- 



laria) 283, 291 

 Coccogoneae i 



Coelosphaeriopsis Lemmermann 3, 41 

 Coelosphaerium Naegeli 3, 39 

 cohaerens (Breb.) Naeg. (Chroococ- 

 cus) 4, 9 

 collinum Kuetz. (Nostoc) 169 

 comatum Wood (Cylindrospermum) 



197, 198 

 comminutum Kuetz. (Nostoc) 162, 165 

 commune Vaucher (Nostoc) 163, 171 

 var. flagelliforme (Berk, and Cur- 

 tis) Born, and Flah. 173 

 comoides (Harv.) Gom. (Hydroco- 



leus) 1.34 

 compacta (Ag. ?) Born, and Flah. 



(Dichothrix) 274, 277 

 compacta Crouan (Lyngbya) I2t 

 compacta Collins (Rivularia) 283, 288 

 concharum Hansg. (Pleurocapsa) 47 

 conchophilum Humph. (Scytonema) 



211, 213 

 conferta Richt. (Aphanothece) 29, 30 

 conferta Crouan (Calothrix) 217 



confervicola (Roth) Ag. (Calothrix) 



254, 256, 26s 



var. purpurea Born, and Flah. 257 

 confervoides Reinsch (Anabaena) 187, 



I9S 

 confervoides C. Ag. (Lyngbya) no, 



119 

 forma violacea Collins 120 

 confluens Naeg. (Gloeothece) 25 

 congesta Crouan (Lyngbya) 120 

 congestum Rab. (Phormidium) 118, 



158 

 conglomerata Kuetz. (Gloeocapsa) 



14, 18 

 consociata (Kuetz.) Born, and Flah; 



(Calothrix) 254, 257 

 contarenii (Zanard.) Born, and Flah. 



(Calothrix) 254, 259 

 contarenii Collins (Calothrix) 262 

 contortum Wille (Trichodesmium) 



84, 85 

 convolutum Breb. (Merismopedium) 



42, 44 

 corallicola Crouan (Oscillaria) 123 

 corallinae Gom. (Oscillatoria) S9, 7o 

 coralloides Kuetz. (Sirosiphon) 250 

 coriacea Kuetz. (Hypheothrix) 139, 



142 

 forma meneghinii Kuetz. 142 

 coriacea Gom. (Schizothrix) 142 

 coriacea (Kuetz.) Gom. (Schizothrix) 



142 

 cerium (Ag.) Gom. (Phormidium) 92, 



loi 

 cortex Wolle (Scytonema) 221 



forma ravenelii Wolle 221 

 cortex Wood (Scytonema) 216 

 cortiana Menegh. (Oscillatoria) 61, 



71, 81 

 corymbosa (Harv.) Grun. (Polythrix) 



280 



corymbosus Harv. (Microcoleus) 280 

 crameri Brugg. (Sirosiphon) 247 

 creginii Wolle (Asterothrix) 29s 

 crepidinum (Rab.) Thur. (Gloeocap- 

 sa) 14, 20 

 crepidinum Collins (Pleurocapsa) 47, 



49 

 crispum (Ag.) Born. (Scytonema) 157, 

 211, 214, 26s 



cristatum Bailpy (Nostoc) 181 

 crosbyanum Tilden (Phormidium) 91, 



96 

 cruenta Grun. (Oscillatoria) 60, 80 

 cruentum (Ag.) Naeg. (Porphyridi- 



um).296 

 Crustacea Thur. (Calothrix) 50, 204, 



255, 264 



forma prolifera (Flah.) Collins 262 

 forma simulans Collins 26s 



