THE GREEN ALGAE OF NORTH AMERICA 



467 



fluitans, 352. 



fracta, 332, 339, 341, 353, 355. 



v. calcarea, 353. 



f.flavescens, 339. 



f. gossypina, 353. 



f. reflexa, 353. 



f. rigidula, 353. 



f. strepens, 353. 



v. subsitnplex, 353. 

 fuliginosa, 348. 

 glaucescens, 199, 336, 340. 

 glonierata, 332, 350, 351. 



v. callicotna. 



f. boreali-americana, 352. 

 f. minnesotana, 353. 



v. clavata, 350. 



v.fasciculata, 350. 



v. macrogonya, 352. 



f. uiucosa, 351. 



7'. parvula, 351. 



f. rivularis, 351. 

 gracilis, 337, 339, 340, 342. 



f. australis, 343. 



f. elongata, 343. 



f. expansa, 343. 



f. subflexuosa, 343. 



v. tennis, 343 



v. vadormn, 343. 

 grauiinea, 347. 

 hanwsa, 344. 

 hirta, 340, 342, 343. 

 holsatica, 355. 

 Howei, 349. 

 Hutchinsiae, 345. 



v. distans,346. 

 hystrix, 358. 

 insignis, 355. 

 intertexta, 350. 

 Kuetzingiana, 352. 

 laetevirens, 340, 342, 345. 

 lanosa, 357, 358. 



v. uncialis, 357. 

 luteola, 338. 

 macrogonya, 352. 

 Magdalenae, 348. 

 incinbranacea, 362. 

 microcladioides, 344. 

 Morrisiae, 356. 

 nitida, 338. 

 nitidissima, 342. 

 oligoclona, 353. 



v. Flotowiana, 354. 

 ovoidea, 346. 

 pellucida, 347. 

 polaris, 361. 

 polyacantha, 337. 



prolifera, 347, 348. ' 



refracta, 336, 344, 351. 



repens, 349. 



Rudolphiana, 336. 



rupestris, 339, 346. 



saxatilis, 360. 



scitula, 341. 



scopaeforviis, 361. 



secunda, 355. 



sericea, 342, 



Stiuipsoni, 338. 



strepens, 353. 



trichocoina, 338. 



trichotoma, 349. 



trinitatis, 356. 



uberrima, 356. 



uncialis, 359. 



utriculosa, 346. 



vadorum, 343. 



virgatula, 337. 

 Cladophoraceae, 181, 321. 

 Cladophoropsis, 362. 



uienibrauaceus, 362, 375. 

 Classification, 89. 

 Closterium. 



cuspid atum, 95. 

 Coccocladus. 



occidentalism 383. 



v. laxus, 383. 

 Codiaceae, 386. 

 Codioideae, 386. 

 Codiolum, 86, 87, 151. 



gregariutn, 152. 



f. intermedium, 152. 



intermedium, 152. 



longipes, 153. 



Petrocelidis, 152. 



pusillum, 153. 

 f. americanum, 153. 

 f. loneipes, 153. 

 f. typicum, 153. 

 Codium, 386. 



adhaerens. 387. 



dtfforme, 387. 



elongatum, 388. 



isthmocladum, 388. 



Lindenbergii, 388. 



mamillosum, 388. 



mucronatum, 389. 

 v. californicum, 389. 

 v. novae zelandiae, 389. 



repens, 388. 



Rilteri, 387. 



tenue. 

 v. repens, 388. 



tomentosum, 388. 



