268 THE DICTIONARY OF GARDENING. 
Genera and their Authors—continued. 
Ravyenia, Vellozo. 
Reaumuria, Linnzeus. 
Reevesia, Lindley. 
Regelia, Schauer. 
Rehmannia, Liboschitz. 
Reineckea, Kunth. 
Reinwardtia, Dumortier. 
Relhania, L’Héritier. 
Remusatia, Schott. 
Renanthera, Loureiro. 
Renealmia, Linneus, jun. 
Reseda, Linnzus. 
Restio, Linnzeus. 
Restrepia, Humboldt, Bonpland, and 
Kunth. 
Retanilla, Brongniart. 
Retinia, Guénée. 
Retiniphyllum, Humboldt and Bon- 
pland. 
Retzia, Thunberg. 
Rhagodia, R. Brown. 
Rhamnuus, Linneus. 
Rhaphidophora, Schott. 
Rhaphiolepis, Lindley. 
Rhaphithamnus, Miers. 
Rhapidophyllum, H. Wendland and 
Drude. 
Rhapis, Linneus, jun. 
Rhaponticum, La Marck. 
Rheedia, Linnzus. 
Rheum, Linnzus. 
Rhexia, Linnzus. 
Rhinacanthus, Nees. 
Rhinanthus, Linnzeus. 
Rhipogonum, Forster. 
Rhipsalis, Geertner. 
Rhizophora, Linnzeus. 
Rhodamnia, Jack. 
Rhodites, Hartig. 
Rhodochiton, Zucearini. 
Rhododendron, Linnzus. 
Rhodoleia, Hooker. 
Rhodomyrtus, De Candolle. 
Rhodora, Linnzus. 
Rhodospatha, Pceppig and End- 
licher. 
Rhodostachys, Philippi. 
Rhodothamnus, Reichenbach. 
Rhodotypos, Siebold and Zucearini. 
Rhoeo, Hance. 
Rhopalostylis, H. 
Drude. 
Rhus, Linnzus. 
Rhynchanthera, De Candolle. 
Rhynchitis, Herbst. 
Rhynchoglossum, Blume. 
Rhynchosia, Loureiro. 
Rhynchostylis, Blume. 
Rhynchotechum, Blume. 
Rhytidophyllum, Martius. 
Rhytisma, Fries. 
Ribes, Linnzeus. 
Richardia, Kunth, 
Richardsonia, Kunth. 
Richea, R. Brown. 
Ricinus, Linneus. 
Ricotia, Linnzus. 
Rigidella, Lindley. 
Riocreuxia, Decaisne. 
Ritchiea, Brown. 
Rivea, Choisy. 
Rivina, Linnzeus. 
Wendland and 
Robinia, Linnzus. 
Rochea, De Candolle. 
Rodgersia, Asa Gray. 
Rodriguezia, Ruiz and Pavon. 
Roella, Linnzeus. 
Reemeria, De Candolle. 
Roezlia, Regel. 
Rohdea, Roth. 
Rolandra, Rottboell. 
Romanzoffia, Chamisso. 
Romneya, Harvey. 
Romulea, Maratti. 
Rondeletia, Linnzus. 
Ronnbergia, Morren. 
Rosa, Linnzeus. 
Roscheria, H. Wendland. 
Roscoea, Smith. 
Rosmarinus, Linnzeus. 
Rottboellia, Linnzus, jun. 
Roupala, Aublet. 
Roupellia, Wallich. 
Rourea, Aublet. 
Royena, Linnzus. 
Roylea, Wallich. 
Rubia, Linnzus. 
Rubus, Linnzus. 
Rudbeckia, Linnzus. 
Rudgea, Salisbury. 
Rudolphia, Willdenow. 
Ruellia, Linnzus. 
Ruizia, Cavanilles. 
Rulingia, R. Brown. 
Rumex, Linneus. 
Ruppia, Linnzus. 
Ruseus, Linnzus. 
Russelia, Jacquin. 
Ruta, Linnzus. 
Ruyschia, Jacquin. 
Ryania, Vahl. 
Ryssopterys, Blume. 
Sabal; Adanson. 
Sabbatia, Adanson. 
Sabicea, Aublet. 
Sabinea, De Candolle. 
Saccharum, Linnzus. 
Saccolabium, Blume. 
Sadleria, Kaulfuss. 
Sageretia, Brongniart. 
Sagina, Linneus. 
Sagittaria, Linnzus. 
Sagrzea, De Candolle. 
Salacia, Linnzeus. 
Salicornia, Linnzeus. 
Salix, Linnzus. 
Salmea, De Candolle. 
Salpichroa, Miers. 
Salpiglossis, Ruiz and Pavon. 
Salsola, Linnzeus. 
Salvadora, Linnzeus. 
Salvia, Linnzeus. 
Salvinia, Michaux. 
Sambueus, Linneus. 
Samolus, Linnzus. 
Samyda, Linnzus. 
Sanchezia, Ruiz and Pavon. 
Sandersonia, Hooker. 
Sandoricum, Cavanilles. 
Sanguinaria, Linnzeus. 
Sanseveria, Thunberg. 
Santalum, Linnieus. 
Santolina, Linnzus. 
Sanvitalia, La Marck. 
Saperda, Fabricius. 
Sapindus, Linnzus. 
Sapium, P. Browne. 
Saponaria, Linnzus. 
Sapota, Geertner. 
Saraca, Linnzus. 
Saracha, Ruiz and Pavon. 
Sarcanthus, Lindley. 
Sarcocapnos, De Candolle. 
Sarcocaulon, De Candolle. 
Sarcocephalns, Afzelius. 
Sarcochilus, R. Brown. 
Sarcococea, Lindley, 
Sarcocolla, Kunth. 
Sarcolobus, R. Brown. 
Sarcostemma, R. Brown. 
Sarmienta, Ruiz and Payon. 
Sarracenia, Linnzeus. 
Sassafras, Nees. 
Satureia, Linnzus. 
Satyrium, Swartz. 
Saundersia, Reichenbach, jun. 
Sauranja, Willdenow. 
Sauromatum, Schott. 
Sauropus, Blume. 
Sanrurus, Linnzeus. 
Saussurea, De Candolle. 
Sauvagesia, Linnzus. 
Saxegothea, Lindley. 
Saxifraga, Linneeus. 
Saxofridericia, Robert Schomburgk. 
Scabiosa, Linnzus. 
Scevola, Linnzeus. 
Scaphyglottis, Poeppig and Hnd- 
licher. 
Scelochilus, Klotzsch. 
Scheefferia, Jacquin. 
Schaueria, Nees. 
Scheelea, Karsten. 
Schelhammera, R. Brown. 
Scheuchzeria, Linnzeus. 
Schima, Reinwardt. 
Schinus, Linnzeus. 
Schismatoglottis, 
Morren. 
Schismus, Palisot de Beauvois. 
Schizea, Smith. 
Schizandra, Michaux. 
Schizanthus, Ruiz and Pavon. 
Schizobasis, Baker. 
Schizodium, Lindley. 
Schizolobium, Vogel. 
Schizomeria, Don. 
Schizopetalon, Sims. 
Schizophragma, Siebold and Zucca- 
rini. 
Schizostylis, Backhouse and Harvey. 
Schkuhria, Roth. 
Schlimmia, Planchon. 
Schlumbergeria, Morren. 
Schmidelia, Linnzeus. 
Scheenia, Steetz. 
Schcenorchis, Blume. 
Scheenus, Linneus. 
Scheepfia, Schreber. 
Schomburgkia, Lindley. 
Schotia, Jacquin. 
Schouwia, De Candolle. 
Schradera, Vahl. 
Schranckia, Willdenow 
Zollikofer and 
