814 
Rhizochrysis polymorpha Naumann* | 
97 
Rhizoclonium 132 
— hieroglyphicum Kütz. 89, 264 
— Selkirkii 162 
Rhizoctonia 355 
— solani 607 
Rhizoglossum Kylin N. 6. 
Rhizogoniaceae 713 
Rhizogonium 713, 715 
— sect. Eurhizogonium 715 
— medium 717 
— novaecaledoniae 717 
Rhizophidium globosum A. Br. 33 
— polysiphoniae 160 | 
Rhizophyllis N. A. 246 
Rhizopus 609 
— japonicus 549 
— .nigricans 266, 299, 546, 552, 594 
— tritiei 546 
Rhizosolenia 68, 69, 138 
— eriensis 68, 132 
Rhodanthe 351, 626 
Rhodochaete 109, 138 
Rhodochorton 124 
— speluncarum Collins 247 
Rhodochytrium 89 
Rhodoleia Teijsmanni Mig. 446 
Rhodomela N. A. 246 
— subfusca 147 
— virgata Kjellm. 246 
Rhodomelaceae 115, 234 
Rhodomenia Baerii Post. 
244 
— Juergensii )J. Ag. 244 
— rostrata ). Ag. 244 
Rhodomonas N. A. 181 
— baltica 96, 123 
— rubra 24, 132, 302 
Rhodophyceae 107, 114, 116, 117, 
132, 145, 155, 162, 168, 229, 263 
Rhodospirillum photometricum 261 
112, 246 
et Rupr. 
Rhodymenia 113, 142, 235. — N.A. | 
246, 247 
— flabellifolia (Bory) Mont. 169, 
235 
— palmata 54, 109, 141, 142, 235, 
261 
Rhodymeniaceae 234, 235 
Rhodymeniales 30, 111, 162 
| 
| 
Rhizochrysis polymorpha—Riceinia 
Rhodymeniocolax Setckell N. G. 247 
— botryoidea 115, 161 
Rhoikoneis N. A. 200 
Rhoikosigma N. A. 200 
Rhus glabra 558 
Rhynchomonas marina 191 
Rhynchosia precatoria 360 
Rhynchostegiella algiriana 681 
— compaecta 658 
curviseta (Brid.) Limpr. 665, 669, 
723 
Letourneuxii (Besch.) Broth. 669 
litorea 665, 666 
Teesdaleı 665, 666 
tenella 666, 723 
Rhynchostegium 706 
— rusciforme 688 
Rhytisma acerinum 355 
— pseudoplatani 355 
Ribes rubrum 415, 455 
Ricardia 114, 645, 707 
eriocaulon 708 
multifida 708 
pinguis (L.) F.Gr. 642, 645, 646, 
708 
pinnatifida 708 
prehensilis 708 
Riecia 271, 674, 681, 701, 705, "707, 
709, 721° 
subgen. Ricciella 674 
arvensis Aust. 701 
Beyrichiana Hampe 701 
bifurca 661 
bistriata 707 
commutata Jack 681 
Crozalsii Levier 663 
Curtisii 701 
dietyospora Howe 701 
Donnelli Aust. 701 
fluitans 721 
Frostii Austin 681 
hirta Austin 701 
Lescuriana Austin 701 
lusitanica Levier 687 
perennis Steph. 720 
sanguinea 271 
Weinionis Steph. 707 
Riceiaceae 702, 720 
Ricciella 721 
Riceinia Dou. 
et Trab. N. G. 720, 721 
