Iridex 



Ulva (cont.) 



expansa, 262, 267, 268, 269. 

 fasciata 



f. caespitosa, 270. 

 f. costata, 272, 273. 

 f. expansa, 268. 

 f. lobata, 269. 

 f. taeniata, 268, 273. 

 fenestrata, 262, 267. 

 fulvescens, 234. 

 fusca, 242. 

 intestinalis, 252. 



Lactuca, 261, 262, 263, 265, 266, 

 270. 

 var. latissima, 266. 

 var. rigida, 242, 265, 270. 

 myriotrema, 266. 

 latissima, 241, 261, 262, 266, 267, 



268. 

 Linza, 251, 261, 262, 263; figures 



showing, opp. 332. 

 lobata, 262, 268, 269. 

 percursa, 274. 

 plumosa, 161. 

 reticulata, 267. 

 rigida, 269, 270. 

 splendens, 243. 



stenophylla, 262, 271; figure show- 

 ing, opp. 350; plate showing, 

 opp. 356. 

 taeniata, 262, 268, 273 ; plate show- 

 ing, opp. 354. 

 vexata, 262, 271; figures showing, 

 opp. 342. 

 Ulvaceae, 233. 

 Ulvales, 142, 233. 

 Ulvella, 287, 295, 296. 

 araericana, 296. 

 confluens, 299. 



fucicola, 299. 



Lens, 295, 296; plate showing, opp. 



374. 

 prostrata, 297. 

 Ulvelleae, 287. 

 Urospora, 187. 

 acrogona, 190. 

 bangioides, 190, 194. 

 collabens, 194. 

 claviculata, 190. 

 elongata, 190, 196. 

 grandis, 195. 

 Hartzii, 193. 

 incrassata, 191, 193. 

 mirabilis, 187. 

 penicilliformis, 191, 195. 

 Wormskioldii, 195, 197. 

 Vaginaria, 85. 

 Vaginarieae, 83. 

 Valonia ovalis, 155. 

 Vaucheria, 156, 178. 



marina, 165. 

 Vaueheriaceae, 177, 178. 

 Vaucherideae, 178. 

 West, G. S., cited, 146, 147. 

 Xenococcus, 21, 30. 



acervatus, 31; figure showing, opp. 



132. 

 Chaetomorphae, 28, 35 ; figures show- 

 ing, opp. 126. 

 Cladophorae, 16, 31, 33; figure show- 

 ing, opp. 130. 

 Gilkeyae, 31, 32; figure showing, 



opp. 132. 

 pyriformis, 31, 34; figure showing, 



opp. 132. 

 Schousboei, 24, 30. 

 Zygomitus, 294. 



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