520 



Potentilla, 145, 169, 170, 



268, 274, ;i74. 

 Primula, 9, 24. 119, 145, 



147, 164, 166, 169, 171, 



174, 238, 239, 267,365, 



366, 369, 452, 457, 466, 



475, 477. 

 Primulaceae, 24, 238. 

 Pritchardia, 303, 404. 

 Prosopus, 410, 

 Proteaceae, 239. 

 Prunus, 104, 149,212,263, 



341. 373. 

 Psalliota, 52. 

 Psarum, 465. 

 Psathyra, 52. 

 Psoralea, 236. 

 Pteridophyta, 273. 

 Pteris, 180. 

 Pterohryella, 176. 

 Pterocarpus, 23. 

 Pterocarva, 452. 

 Pterostyiis, 203, 204. 

 Pterotheca, 45 

 Pthychosperma, 453. 

 Ptychogaster, 56. 

 Puccinia, 46, 48, 49. 50, 



54, 59, 60, 302, 303, 306, 



339 

 Pulmonaria, 168, 215. 

 Pulsatilla, 171. 

 Punica, 97, 135, 403, 411, 



414, 415, 423. 

 Puya, 192. 

 Pycreus, 193. 

 Pygeum, 212. 



Pyrenomycetes, 48, 50, 53. 

 Pyrethrum. 126, 221, 348, 



363. 406, 419, 441,469. 

 Pyrolaceae, 159, 259. 



Quehracho, 86, 99, 396, 

 435, 442. 



Quercus, 104,109,122, 131, 

 226, 309, 310, 312, 337, 

 345, 349, 350, 361, 365, 

 366, 431, 448, 458,464, 

 473, 474, 475, 476 



Quillaja, 242. 



Rafflesiaceae, 239. 

 Randia, 244. 

 Ranunculaceae, 24, 239, 254, 



287. 

 Ranunculus, 145. 172, 239, 



240, 241, 271, 289,364, 



369. 

 Raphanus, 172, 340. 

 Raphia, 433. 



Raphoneis, 36, 38. 

 Ravenea, 209. 

 Reana, 13. 

 Reboulia. 270. 

 Relbunium, 245. 

 Renanthei-a, 206. 

 Reseda, 241, 365. 

 Resedaceae, 241. 

 Restiaceae, 370. 

 Retinospora, 187, 375. 

 Reynosia, 241. 

 Rhabdooema, 36. 

 Rhamnaceae. 241. 

 Rhamnus, 113. 

 Rheum, 96, 108, 110, 238, 



369, 409, 416, 420, 421, 

 424, 4l^7. 



Rhiziridium, 199. 



Rhiziphora, 24, 241. 



Rhiziphoraceae, 24, 241. 



Rhizophydium, 32, 39. 



Rhizopodon, 44. 



Rhizopogou, 235. 



Rhizosolenia, 38. 



Rhi.s, 212, 272, 440. 



Rhynchosia, 235. 



Rhvnchospora, 193. 



Rhytisma, 44, 337. 



Ribes, 148, 242. 



Ribesiaceae, 242. 



Ricinus, 400, 416. 



Riccia, 175. 



Rivularia, 30, 31, 33, 39. 



Robinia, 235. 



Roccella, 433. 



Rochelia. 216. 



Roemeria, 234. 



Roessleria, 50, 341. 



Roestelia, 44, 342. 



Rogiera, 245. 



Rondelettia, 245. 



Roripa, 169. 



Rorismarinus, 400, 420 



Rosa, 131, 150, 172, 173. 

 242, 343, 257, 258, 259, 

 260, 266, 282, 334, 347, 

 350, 351, 355, 367,369, 



370, 371. 374, 402, 455, 

 458, 461, 469, 475. 



Rosaceae, 25, 242. 



Rottlera, 410. 



Rubia, 95, 123, 142, 430, 



437. 

 Rubiaceae, 25, 243, 244, 



245, 365, 375. 

 Rubus, 174, 242, 243,265, 



283, 363, 365, 372,376. 

 Ruellia, 211. 

 Rumex, 143, 169, 171,238, 



259, 480. 

 Ruppia, 265. 



Ruscus, 8. 

 Russula, 52. 

 Rntaceae, 246. 



Sabbatia, 167. 

 Saccharomyces, 55, 62, 63, 



64. 

 Saccolabium, 206. 

 Sagina, 264. 

 Sagus, 441. 

 Salicaceae, 246,; 369. 

 Salix, 96, 246, 258, 289, 



295, 343. 344, 345,347, 



369, 362, 372, 373,412, 



414, 434, 435, 437,448, 



462, 474, 480. 

 Salvia, 118, 132, 161, 171, 



229, 281, 437. 

 Samolus, 283. 

 Samydaceae, 246. 

 Sandersonia, 199. 

 Sanguinaria, 367. 

 Sanseviera, 199. 

 Sautalum, 100. 

 Sapindaceae, 25, 246, 247. 

 Sapindus, 247. 

 Saponaria, 218, 410. 

 Sapotaceae, 25, 247. 

 Saprolegnia, 34, 55, 340. 

 Saprolegniaceae, 33, 37. 

 Sarcanthus, 236, 208. 

 Sarcocodon, 213. 

 Sarcolabus, 399. 

 Sarcophyte. 214. 

 Sarracenia, 20, 160, 247, 



373, 416, 474. 

 Sarraceniaceae, 247. 

 Saxifraga, 3, 171, 172,247, 



274, 364, 367, 368,370. 

 Saxifragaceae, 26, 247. 

 Scapiola, 115. 

 Scheuchzeria, 279. 

 Schinus, 212. 

 Schiuzia, 51). 

 Schismus, 194. 

 Schistostega, 177. 

 Schizobasis, 199. 

 Schizoeaceae, 5. 

 Schizolobiuni, 467. 

 Schizomycetes, 65, 67, 68. 

 Schizophyllum, 56, 337. 

 Schlumbergia, 192. 

 Schoepiia, 250. 

 Schomburgkia, 452. 

 Schrenkia, 252. 

 Scilla, 198, 200, 202, 262. 



265, 402, 411. 

 Scirpus, 193. 

 Scleranthus, 17. 

 Scleria, 193. 



