354 



Index 



Antheridium, 17. 



Antherozoids (or spermatozoids), 17. 

 Anthoceros, 325. 



Aphanizomenon Morren, 308, 311, 326, 

 328. 



Flos-aquae (L.) Ealfs, 328. 

 Aphanocapsa Nag., 346, 351. 



Grevillei (Hass.) Rabenh., 351 (fig. 



165 A). 



Aphanochcete A. Br. ; Berth. ; Huber, 

 71, 72, 89, 182. 



globosa var. minor Hansg. , 182. 



pilosissima Schmidle, 72. 



repens A. Br., 72. 

 Aphanothece Nag., 13, 346, 347, 351. 



microscopica Nag., 347 (tig. 161 C). 



saxicola Nag., 347. 

 Apiocystis Nag., 51, 239, 244. 



Brauniana Nag., 244 (fig. 112). 

 Aplanogametes, 16. 

 Aplanospores, 15. 

 Aptogonum Ealfs, 177. 

 Archegoniatae, 30. 

 Archer, 1, 141, 142, 223. 

 Archiplast, 317. 



Archiplastidese, 309, 316, 317352. 

 Areschoug, 75. 

 Arisarum, 55. 



vulgare, 54. 



Arthrodesmus Ehrenb., 137, 144, 151, 

 169, 170. 



bifidus Breb. var* truncatus West, 

 170 (fig. 64 H J). 



convergens Ehrenb., 171. 



Incus (Breb.) Hass., 170 (fig. 64 

 A C), 171. 



Incus var. Ealfsii W. <& G. S. West, 

 170 (fig. 64 D). 



Incus var. validus W. & G. S. West, 

 170 (fig. 64 E). 



octocornis Ehrenb., 170 (fig. 64 



F and G), 171. 

 Arthrodia Kafiuesque, 159. 

 Arthrodieas, 148. 

 Arthrosiphon Kiitz., 323. 

 Arthrospira Stizenb., 315, 330, 332, 333, 

 336. 



Jenneri (Hass.) Stizenb., 336. 

 Asexual reproduction, 14, 15. 

 Askenasy, 210. 

 Asterionella Hass., 287. 



formosa Hass., 287 (fig. 133). 



gracillima Heib., 287. 

 Autocolony, 25, 212. 

 Autospores, 14, 25, 212. 

 Auxospores, 268, 269. 

 Azolla, 4, 325. 



Bacillaria Gmelin, 301, 302. 

 paradoxa Gmelin, 302. 



Bacillarieffi, 5, 6, 8, 11, 15, 16, 31, 32, 



260305. 



Bacteria, 3, 316, 332, 345. 

 Bangia, 36. 

 Bangiaceae, 35, 98. 



Batrachospermum Roth, 18, 20, 36, 38, 

 39, 339. 



atrum (Dillw.) Harv., 38. 



Boryanum, 35. 



moniliforme Roth, 37 (fig. 1 A), 

 38, 342. 



vagum (Roth) Ag., 37 (fig. 1 B and 



C), 38. 



Benecke, 264. 

 Bennett, 1. 



Bennett & Murray, 111, 125. 

 Berggren, 5. 

 Bessey, 148. 

 Beyerinck, 230. 

 Bichatia Turp. , 350. 

 Biddulphoideae, 273. 

 Binuclearia Wittr., 75, 80. 



tatrana Wittr., 80 (fig. 25), 81. 

 Blackman, 2, 21, 22, 24, 27. 

 Blackman & Tansley, 32, 33, 102, 188, 



248. 



Blasia, 4. 



Boergesen, 1, 99, 143. 

 Bohlin, 21, 2629, 32, 100, 108, 248,' 



253, 254, 256. 

 Boldt, 143. 



Borge, 1, 12, 125, 147. 

 Bornet, 1. 

 Borzi, 2, 21, 28, 48, 78, 92, 182, 199, 



248, 311, 314, 326, 339. 

 Botrydiacese, 29, 30, 249, 258, 259. 

 Botrydina Breb., 247. 



vulgaris Breb., 247. 

 Botrydiopsis Borzi, 28, 29, 254. 

 Botrydium Wall., 12, 18, 28, 29, 51, 258. 



granulatum(L.) Grev., 259 (fig. 122). 

 Botryococcus Kiitz., 235, 237. 



Braunii Kiitz., 237 (fig. 106), 242. 



calcareus West, 237. 



sudeticus Lemm., 237, 242. 

 Boubier, 114. 



Bradypus (Three-toed Sloth), 55. 

 Brand, 93, 104, 106. 

 Brandt, 5, 311313. 

 Breaking pf the Meres, 315, 341. 

 Brewer, 6, 307. 

 Bulbochsete Ag., 52, 57, 58, 65. 



gigantea Pringsh., 65. 



nana Wittr., 64 (fig. 15 C), 65. 



Nordstedtii Wittr., 64 (fig. 15 B). 



subintermedia Elfv., 64 (fig. 15 A). 

 Bumilleria Borzi, 29,' 253, 258. 



pumila W. & G. S. West, 257 



(fig. 121 J), 258. 

 Biitschli, 266. 



