INDEX. 



[Synonyms are printed in italics, and the numbers in strong type 

 refer to the descriptions of the genera, families, orders, etc.] 



Acanthococcus Lagerb., 203. 

 Achnanthaceas, 289, 290. 

 Achnauthes Bory, 263, 289. 



coarctata Breb., 290. 



exilis Kiitz., 290. 



flexella (Kiitz.) Breb., 269 (fig. 

 125 B), 290. 



Hungarica Grun., 2110 (fig. 135 

 A C). 



linearis W. Sm., 290. 



loiigipes C. Ag., 268. 



microcephala Kiitz., 290. 

 Achnanthidium Kiitz. (sect, of Achnan- 



thes), 289, 290. 



Acbnanthoideae, 280, 289291. 

 Actinastrum Lar/crli., 218, 224. 



Hantzscbii Layerli., 225. 

 Ajuga,.199. 

 Akinetes, 15. 

 Akonta, 32. 

 Alocasia, 55. 



Alternation of generations, 18. 

 Amblystegium exannulatum, 4. 



falcatum, 4. 



glaucum, 4. 



scorpioides, 4. 



Ammatoidea W. a; <1. S. West, 38, 337, 

 341. 



Normanii W. & G. S. West, 341 



(tig. 158), 342. 

 Amceba, 4, 145, 230. 

 Amphk-ampa Ehrenb. (1849), 288. 

 Ainphicampa Rabeiih. (18(54), 296. 

 Arupbipleura Kiitz., 263, 292, 295. 



pellucida Kiitz., 295 (fig. 137 C). 

 Ainpbiprora Khrcnb.. 291, 292, 296. 



ornata Bail., 296. 



paludosa W. Sm., 296 (fig. 138 



B and C). 

 Ampbithrix Kiits., 338. 



jantbina (Mont.) Born. <&Flah.,338. 



W. A. 



Amphora Ehrenb., 298, 299. 



ovalis Kiitz., 269, 299 (fig. 141 



B and C), 300. 



ovalis var. pediculus Kiitz., 300. 

 Anabasna Bory., 311, 312, 314, 317, 325, 



327. 



circinalis Eabenh., 328. 

 Flos-aquae Breb., 328. 

 inaequalis (Kiitz.) Born. & Flak., 



328 (fig. 150 A D). 

 oscillarioides Bory, 328. 

 Ancylonema Bcrygr., 144, 149. 



Nordenskioldii Berggr., 5, 51. 

 Androgonidia, 191. 

 Androsporangium, 61. 

 Androspore, 61. 

 Ankistrodesmns Corda, 159, 218, 221, 



222225. 



<ici(tixtiimiit> Arch., 222, 223. 

 biplex (Eeinsch) nob., 224. 

 couvolutus (Pabenh.) nob., 221. 

 falcatns (Corda) Half's, 53, 223 (fig. 



94 A), 

 falcatus var. acicularis (.-1. Jlr.) 



nob., 223 (fig. 94 B and C). 

 falcatus var. duplex (Kiitz.) nob., 



223. 

 falcatus var. mirabilis nob , 223 



(fig. 94 E), 224. 

 falcatus var. spiralis (Turn.) nub., 



224. 



falcatus var. spirilliformls nol>., 22-1. 

 falcatus var. tumidus nob. , 223 ifitr. 



Ill D), 224. 



/n.-ii/iirinia Corda, 222, 223. 

 Pfitzeri (Sch rH,], '/) nob.. 223 (fa. 



94 G and H), 224. 

 setigerus (Schroder) >iol>., 223 (fig. 



94 F), 224. 

 Anodonta, 4. 

 Anorthoncis Grun., 290. 



23 



