IX 



Malacothrix, 24. 

 MalesliL-rbsia, 283. 



Malva, 46, 268. 

 Mamillaria, 80, 290. 

 Marasmius, 322. 

 Marsilia, 221, 242. 

 Martynia, 46. 

 Masdevallia, 222. 

 Massangea, 132, 

 Mtdeola, 324. 

 Medicagu, 46, 266. 

 Melampsora, 135. 

 Melampyrum, 137. 

 Melanocenchris, 232. 

 MeJica, 153, 178. 

 Melopepo, 266. ■ 

 Melothria, 283. 

 Menispermuni, 96. 

 Mentha, 31, 32, 46, 109. 

 Mentzelia, 185. 

 Merenia, iq. 

 Mcriania, 58. 

 Mertensia, 28. 

 Mesocarpus, 185. 

 Metz^Ct^ria, 266. 

 Michenera, 301. 

 Miconia, 59, gi. 

 Micranthella, 54. 

 Micrasterias, 41. 

 Micromyceles, 222. 

 Micropeltis, 20. 

 Microphysa, 212. 

 Microscris, 222. 

 Microstylis, 28, 31. 

 Milium, 71. 

 Miniulus, 24, 32. 

 Mimvisops, TTo, 321. 

 Mina^ 245. 

 Mnium, 274. 

 Momordica, 39." 

 Monardella, 24, 263. 

 Monenna, 229. 

 Afoneses, 28. 

 Monrinia, 212. 

 Miicor, 265. 

 Mucronoporus, 296. 

 Muhlcnbcr^s^ia, 246. 

 Mylia, 266. 

 Myrcia, 12, 53. ' 

 Myrica, 99, 137, 138. 

 Myriophylhim, 30, 31. 

 Myrtus, iz. 



Nandina, 40. 

 Nare^^amia, 244. 

 Nasturtium, 31, 122, 318. 

 Neckera, 275. 

 Neciria, 323. 

 Neillia, 23, 291. 

 Nekimbium, 41. 

 Nelumbo^ 45. 

 Nemopanthes, 138. 

 Neolindenia, 267. 

 Nepenthes, 245. 

 Neplirodium. ic8. 

 Nephroma, 182. 

 Nicandra, 179. 

 Nicotiana, 244. 

 Nitella, 116, 121. 

 Nitophylhim, 18. 



Nopalea, 290. 



Nostot% 8t, 175. 



Nothola:na, 246. 



Nuttrocheilus, 109. 



Nuphar, 41. 



Nyniphaia, 31, 41, 123, 132, 168, 246, 269 



Nyssa, 243, 299. 



Obolaria, 137. 

 Odontothallia, 322. 

 CEdogonium^ 254. 



(J-^nanthe, 41. 



CKnoLhera, 80, 156, 185, 213- 



Olyra, 16. 



Onobrychis, 164. 



Onosmodium, 70. 



Ophiuj^lossum, 177. 



Opuntia, 46, 80, 263, 290^ 291, 296. 



Oreotrys, r97. 



Ornithogalum, 137. 



Orobanche, 241. 



Orthotrichum, 244. 



Oryzopsis, 71, 139, 184. 



Osciilaria, 112. 



Osmorrhiza, 31. 



Osmuada, 236, 325. 



C).ssa:a, 212. 



Oslcunieles, 11. 



Otacanthus, 223. 



Ouvirandra, 41. 



Oxalis, 79, 108. 137. 138, 140. 



Oxybaphus, 43. 



Oxycoccus, 13c. 



Oxytropis, 164. 



0/.(jniuin, 2ig. 



Pachybasium, 295. 

 Pachyrhizus, 42. 

 Pachysandra, 186. 

 !*adina, 300. 

 Palafoxia, 80. 

 Palmerella, 186. 

 Paiuratium, 296. 

 I'aiucum. 133, 246, 

 Paniiaria, 182. 

 Parinariimi, 163. 



I'arnassia, 185. 



Parryella, 75. 



PassiHora, 166, 267, 281. 



Pastinaca, 79. 



Patagonula, 223. 



Pelar^^nniuiii, 24. 



Pellsea, 32, 72, 215. 325. 



I'elecyphora, 290. 



Peltandra, 140. 



Pelligera, 182. 



Penicillium, 134. 



Peniophora, 322. 



Pentapyxis, 217. 



Pentarrhaphis, 229. 



Pentstemon, 23, 100, 133, 260. 300. 



Peperoinia, 134. 



Pepo, z66. 



Percskia, 291, 327. 



Periqucta^ 281. 



Perityle, 166, i86^ 246. 



Peronospora, 133, 134, 263. 



Persea, 321. 



Petalostemon, 164. 



Petasites, 24. 

 Pcumus^ 128. 

 Peyritschiella, 165. 



Phaceha, 80, 244. 

 Phaseolus, 46, 140, 244. 

 l*hell(»rina, 323. 

 Philadelphus, 326. 



Phlcum, 31. 

 Phlox. 125, 285. 

 Phtcnix, 296. 

 Pholiota, 323. 

 Phoma, 265, 322. 

 Phragmidium, 299. 

 Pliragniites, 72, 170. 

 Phyllanthus, 44. 

 Phyllocactu?, 296. 

 Phyllonoma, 11. 

 Phyllosticta, 265, 322. 



Physalis, 23, 96, 290. 

 I'hysalospora, 26. 

 Physcomitriuin, 222. 

 Physianthus, 324, 327. 

 Physma, 182. 



