474 



Index 



Ulothrix subtilis Kutz., 144, 284, 285, 286, 



287, 290, 447 



U. tenerrima Kutz., 285 (fig. 183 F) 

 U. lenuissima Kutz., 286 

 U. zonata (Web. & Mohr) Kutz., 138, 283, 

 284 (fig. 181). 285 (fig. 182 A-E), 286 (fig. 

 183 B and G) 

 Ulotrichaceje, 283-288 

 Ulotrichales, 281-327 

 Viva Linn., 147, 275, 277, 278 

 U.fasciata Delile, 147 



U. Lactuca Linn., 146, 147, 276 (fig. 177 F 

 and G) 



var. laciniata, 147 

 Ulyacese, 275 

 Ulvales, 275-278 

 Ulvella Crouan, 298, 299 



U. fucicola Rosenv., 300 



U. involvens (Savi) Schmidle, 299 



U. Lens Crouan, 299 (fig. 192.4 and B) 



Ulvellese, 298 



Urococcus insignis, 58 



Uronema Lagerh., 284, 287 



Urospora Aresch., 259, 265, 266 

 U. incrassata Kjellm., 254, 260 

 U. mirdbilis Aresch., 265 



Uteria, 268 



Utricularia minor, 426 



Vacuolaria Cienkowski, 404 

 ValdivieUa, 91 



Valonia Ginnani, 141, 223, 224, 251, 253, 254, 

 257 



V. macrophysa Kiitz., 253 



F. utricuteris (Roth) Ag., 252 (fig. 162), 253 



F. ventricosa J. Ag., 251, 253 

 Valoniacese, 251-258 

 Valoniese, 251 

 VAN HETTRCK, 120 

 Vanheurckia Breb., 94 



F. rhomboides (Ehrenb.) Breb. var. sazonica 



(Rabenh.) G. S. West, 98, 425 

 VAN WISSELINGH, 349 



Vaucheria D. C., 116, 132, 133, 136, 140, 144, 

 157, 163, 214, 227, 228, 244, 247, 249 



F. aversa Hass., 247 



F. dichotoma (L.) Ag., 249 



F. geminate (Vauch.) D. C., 244 (fig. 157 A 

 and F-H), 245, 249, 424 



var. racemosa Walz., 248 



F. hamata Walz., 246 (fig. 159(7 and D), 



422 

 F. ornithocephala Ag., 244 (fig. 157 B), 246 



(fig. 159 E), 247 

 F. piloboloides Thur., 247 

 F. sessilis (Vauch.) D. C., 136 (fig. 93 F), 

 244 (fig. 157 C and E), 245 (fig. 158), 246 

 (fig. 159 A and B), 247 (fig. 160), 248, 249 

 F. synandra Woronin, 247 (fig. 160 4), 248 

 F. terreslris Lyngb., 249, 422 

 Vaucheriacese, 243-249 

 Victoridla Wolosz., 453 

 VIRIEUX, 127, 436 

 VOIGT, 99 

 VOLK, 445 

 Volvocacese, 168-182 

 Volvoceae, 174-182; evolution of, 182 



Volvocineaj, 161-182 



Volvox (L.) Ehrenb., 157, 162, 174, 176, 177, 



178, 179, 180, 182, 429 

 F. africanus G. S. West, 179, 182 

 F. aureus Ehrenb., 136 (fig. 93 B), 177, 178, 



180 (fig. 108 A, C and D), 446 

 F. globator (L.) Ehrenb.. 136, 177, 180 (tig. 



1085), 181 



F. per globator Powers, 181 

 F. Rousseletii G. S. West, 177 

 F. spermatosphsera Powers, 181 

 F. Weissmanniana Powers, 179, 181 



WAGER, 6 



WALLICH, 371 



WARD, MARSHALL, 144 



Water-bloom, 32, 75, 434, 435 



WEBER VAN BOSSE, 231 



WEED, 34 



WELSFORD, 298 



WELWITSCH, 31, 33, 346, 421 



Weneda Racib., 309 



WENT, 241 



WESENBERG-LTJND, 180, 263, 433, 437, 438, 

 439, 445 



WEST, G. S. (G. S. W.), 8, 16, 20, 21, 27, 30, 

 32, 34, 39, 40, 57, 61, 67, 69, 113, 145, 

 150, 152, 173, 177, 179, 186, 190, 192, 

 202, 205, 211, 213, 278, 279, 284, 287, 

 290, 296, 300, 313, 314, 315, 330, 331, 

 334, 344, 346, 367, 369, 374, 376, 377, 

 380, 390, 397, 398, 402, 413, 425, 428, 

 432, 434, 436, 437, 442, 444, 453 



WEST, G. S. & HOOD, 307 



WEST, G. S. & STARKEY, C. B., 331, 346, 419 



WEST; W., 333, 351, 373 



WEST, W. & WEST, G. S. (W. & G. S. W.), 

 16, 27, 31, 33, 34, 46, 113, 147, 186, 193, 

 197, 203, 207, 278, 288, 330, 332, 339, 

 344, 346, 347, 351, 354, 358, 364, 367, 

 370, 371, 373, 377, 378, 420, 421, 422, 

 432, 434, 435, 436, 437, 438, 439, 440, 

 441, 442, 443, 444 



Westella De Wildeman, 190, 191 



WHIPPLE & JACKSON, 117 



WHITTING, 212 



WILLE, 5, 15, 85, 126, 152, 168, 172, 173, 

 186, 190, 191, 192, 193, 199, 225, 259, 

 267, 279, 280, 290, 300, 311, 312, 315, 

 331, 346, 390 



Willea Schmidle, 204 



WITTROCK, 263, 334, 338, 339, 341, 399, 

 447 



Wittrockiella Wille, 311. 312 



W. paradoxa Wille, 311 (fig. 204), 312 



Wittrockiellaceje, 311 



WOLLE, 21, 30, 145 



WOLLEN WEBER, 164, 167 



WOLOSZYNSKA, 436, 439, 440, 441, 453 



Woronina Solms, 249 



Wysotzkia, 80 



Xanthidium Ehrenb., 363, 364, 365, 381 

 X. armatum (Breb.) Rabenh., 425 

 X. grcenlandicum Boldt, 426, 427 



Xenococcus Thur., 25, 41 

 X. Schousbcei Thur., 25 (fig. 16 B) 



