X 



Physocalymna, 212. 



Physocarpa, 23^ 291. 



Phytophlhora, 130, 134, 188. 



Phytoptus, 129. 



Pirea, 79, 81, 245. 



Pilostyles, 205. 



Pilularia, 221. 



Pinus, 24, 28, 31, 40, 64, 81, 134, 135, 186, 223, 268, 



Tipcr, 134. 

 Pistacia, 186. 



Pithecolobium, 246, 



Pisiim, iog» 242. 



Plagiochila, 266. 



PlaKiothecium^ 279. 



Planta^o, 28, 34, 287. 



Plasmopora, 322. 



Platanus, 77, 134, 327. 



PlatyKrapha, 255. 



Platygyriuiu, 276. 



Pleospora, 238. 



Pleroma, 54, 



Pleurothallis, 81, 267. 



Poa, 3T, 71, 153, 178, 246, 317. 



Podophyllum, 117. 



PoK^nia, 71, 140, t68. 



Polaiiisia, 68. 



Poleiuuniuni, 167. 



Polygala, 69, 80, 169, 299, 324. 



P()!y>,^onatiim, 259. 



Polyjs'onum, 28, 33, 34, 138, 290. 



Polyodon, 231. 



Polypodium, 32, 287, 325. 

 Pulyporus, 243. 



i\)lyschistis, 230, 232, 

 Polysiphonia, 18. 

 Popuhis, 43, 315. 

 Poria, 322. 

 Portulaca, 164. 



Pntamogelun, 30, 71, 173, 174. 

 Potentilla, 27, 28, 33, 317. 

 Poterium, 11. 



Pottia, 88. 

 Prenantlics, 24, 33. 



Prepusa, 166. 



Prestaia, 134. 



l*riinula, 75. 



Prinos, ^13. ' 



Proserpinaca. 23. 



Prunus, 10, 69, 99, 139, 159, 164, 222, 224, 267, 322. 



Pseudoleskea, 276. 



Pst'U(1otsu>;a^ 8i. 



Pseudovalsa, 265. 



Psidimn, 12. 



Psilaetis, 80. 



Psoralea, 164, 285, 313, 



Ptclca, 223, 330* 



Ptcrlj^^Dphyllumj i8t. 



PteroUpis, 54. 



Ptilota, 19. 



Puccinia, 80^ iii^ 188. 



I'unica, 212. 



Pyrenula, 257. 



Pyrola, 29, 31, 45, 151. 



Pyriis, 138, 268, 328. 



Pyxidanthtra, 137. 



Qiiercus, 23, 76, log, 245, 261, 269, 290. 

 Quillaja, 10. 



Rachidospermum^ 184, 227, 

 Racomitrmm, 272. 

 Radula, 266. 

 Ramularia, 245. 

 Ranunculus, 28, 30, 31, 34^ 

 182, 310, 323. 



Rapluiuus, 164, 

 Rhcuni, 1C4. 



Rhcxia, 14, 235, 315. 

 Rhinanthus, 28. 

 Rhipsalis, 291. 



82, 96, 136, 137, 1G6, 



Rhizophora, 165, 



Rhododendron, 25, 45, 137, 139, 190, 299. 



Rhodumenia, i8. 



Rliudora, 317. 



Rhodosciadium, 292. 



Rhus, 13, 135, 139, 140, 222. 



Rhynchosia, 22. 



Rhynchostegium, 222, 



Ribes, ir, 31, 69, 138, 159, 318. 



Riccia, 266. 



RicinuSj 76. 



Rivularia, 175. 



Rubinia, 69, 76, Si, 267. 



Ronpala, 223. 



Rosa, 33i. 1101 ^39i I44i i74i ^88. . 

 Rosemarinus. 244. 



Rubus, 10, 14, 15, 138, 139, 164,287, 324, 328. 



Rudbcckia, 96, 240. 



Ruellia, 99, 268. 



Rumcx, 34, 109, 206. 



Ruppia, 140, 292. 



Russula, 322. 



Ruta, 244. 



Rynchospora, 173, 240. 



Sabbatia, 125, 270, 325. 

 Sagina, ^9, 174. 

 Saj^ittana, 33, 41, 125, 222. 



Salix,45, 135, i4y, 167, 224. 

 Salvia, 80, 244. 

 Sanirula, 06. 

 Saprnle)L^nia, 220. 

 Sarcodcs, 299. 



Sarguntia, 292. 



Sarracenia, 33, 245. 



Sassafras, 134, 328. 



Saturcja, 244. 



Saxifraga, 45, 69, 137, 185. 



Scabiosa, 183. 



Schinus, 165. 



Schi/ou(»ius, 167, 



Schucpfia, 80. 



Schubcrlia, 245. 



Scirpus, 30, 31, 71. 



Sclcria, 156. 



Sclerotinia, 104. 



Scolymus, 244. 



Scorzonella, 24. 



Scor/onera, 244. 



Sconlcria, 273. 



Scutellaria, 32. 



Sedum, 34, 69, 140. 



Selaginella, 29, 32. 



Selinum, 185. 



Sellocharis, 22. 



Senecio, 24. 



Septuria, 219. 



Sequoia, 47, 135, 279, 299. 



Si-sbania, 22. 



Setaria, 23. 



Shortia, 135, 268. 



Sicyos, 39. 



Sida, 69. 



Sideroxylon, no. 



Siiene, 31^ 137, 140,291. 



Silphiiun, 1 10. 



Simaruba, 330. 



Sinapis, 46. 



Sisyiubrium, 244, 291. 



Sisyrinchium, 123, 138, 167, 185. 



Slum, 33, 185, 266, 323. 

 Smllacina, 71. 

 Smilax, 43. 



Soja, 266. 



Solanoa, 167. 



Solanum, 79, 81, 96, 108, 164, 179, 224, 237. 



Solidago, 23, 33, 99, 124, T40, 179, 317. 



Sonchus, 29. 



Sorghuni, 135. 



Spar^anium, 23, 33. 



Sporgula, 34. 



\ 



