Index 



Ulva (eont.) 



expansa, 262, 267, 268, 269. 

 faseiata 



f. caespitosa, 270. 

 f. costata, 272, 273. 

 f. expansa, 268. 

 f. lobata, 269. 

 f. taeniata, 268, 273. 

 feuestrata, 262, 267. 

 fulvescens, 234. 

 fusca, 242. 

 intestinalis, 252. 



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

 270. 

 var. latis.siiiia, 266. 

 var. rigida, 242, 265, 270. 

 nivriotrcma, 266. 

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



268. 

 Linza, 251, 261, 262, 263; figures 



showing, opp. 332. 

 lobata, 262, 268, 269. 

 percursa, 274. 

 pluniosa, 161. 

 reticulata, 267. 

 rigida, 269, 270. 

 splendens, 243. 



stenophylla, 262, 271; figure shoAV- 

 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. 

 americana, 296. 

 eonfluens, 299. 



fueicola, 299. 



Lens, 295, 296; plate showing, opp. 

 374. 



prostrata, 297, 

 Ulvelleae, 287. 

 Urospora, 187. 



acrogona, 190. 



])angioides, 190, 194. 



collabens, 194. 



clavieulata, 190. 



elongata, 190, 196. 



grandis, 195. 



Hartzii, 193. 



incrassata, 191, 193. 



mirabilis, 187. 



penicilliformis, 191, 195. 



WorniskioMii, 195, 197. 

 Vaginaria, 85. 

 Vaginarieae, 83. 

 Valonia ovalis, 155. 

 Vaucheria, 156, 178. 



marina, 165. 

 Vaucheriaeeae, 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, 

 opj). 132. 



Schoust)oei, 24, 30. 

 Zygoniitus, 294. 



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