22 GENERIC INDEX. 
Pectocarya, x., 69. 
Pedalium, xv., 300. ' 
Pediastrum, ix., 25; xi., 96; xiii., 93; xvi., 183. 
Pedicularis, xif., 25; xiv., 67. 
Pelagophycus, xvi., 7. 
Pelargonium, xiv., 220. 
Pelleea, vii., 28, 50, 63, 85, 94, 95; vili., 5, 32, 36, 
89; ix., 5, 21, 22, 50, 68, 69; x., 28; xi., 48; 
xiL., 28; xiii, 70, 81, 82, 88, 188, 134; xiv., 
181; XvV., 222., 229, 249; xvi., 57. 
Pellia, xvi., 79. 
Peltandra, ix., 116; xi., 90. 
Peltidea, xii., 88, 
Peltigera, xii., 88; xili., 149. 
Pelucha, xvi , 86. 
Penicillium, xvi., 116, 121. 
Penium, vili., 39; xi, 15; xil, 1, 133; xifii., 59; 
XV., 158; xvi., 25, 185. 
Pennicillaria, ix., 136. 
Pennisetum, ix., 134, 136; x., 85. 
Pentacheeta, ix., 109; xiv., 102. 
Pentstemon, vii., 27; vill., 76; x., 127; x1., 8, 73, 
122, 130, 140; xii., 35; xiv , 196; xv., 132, 150, 
200, 204, 214, 276; xvi., 35, 148, 150, 176, 204. 
Peperomia, xiv., 68. 
Pereskia, xv., 128, 
Perezia, xi., 129; xv., 180. 
Periclymenum, x., 95. 
Periconia, xi., 50. 
Perilla ix., 150. 
Peronospora, vil., 34; xi, 64; xii, 103, 109; 
XiiL., 85, 170, 176, 191, 224; xiv., 33, 245; xvi., 
171, 196. 
Pernettya, xv., 18, 106, 107. 
Persea, xii., 76. 
Pertusaria, viii., 141; ix., 12; xvi., 87, 199. 
Pestalozzia, ix., 133; xiv., 244. 
Petalostemon, vili., 93; x., 35; xii., 53; xvi ,70. 
Petasites, xi., 104; xiv., 261. 
Petrocelis, x., 56. 
Petunia, xiii., 84; xiv., 44. 
Peucedanum, vii., 61, vili., 75; xiv., 169, 241; 
XV., 24, 174. 224, 246; xvi., 122, 
Peysonnelia, xiil., 110. 
Peziza, vii., 84; vili,, 65, 66, 73, 123; ix., 18, 19, 
73, 112; x., 52, 76, 93; x1, 18, 41, 74, 95; xil., 
87; xiil., 86, 176 
Phacelia, viil., 75, 122; x., 81, 102; xi., 12, 50, 68; 
xiii., 126; xiv., 102, 104, 195; xv., 17, 25,114, 
128. 243, 299; xvi., 283. 
Phacidium, ix.,7,8.  _ 
Pheenicaulis, xili., 143. 
Pheeosaccion, ix, 66, 
Phajus, xv., 176. 
Phalaris, vii., 27, 29; ix., 28, 87, 135, 151; x., 8; 
xIL, 40; xty., 151; xvi., 70. 
Phallus, vii., 11, 32, 33; viil., 96; ix., 123, 124; 
X1., 70; Xv., 315. 
X., 29, 
Phanlothamunus, xiL, 11. 
Pharus, ix., 134; x., 35. ° 
Phascum, vii., 7; xv., 114; xvi., 30, 249. 
Phaseolus, vil., 19; vili., 120; xi-, 125; xili., 17, 
18, 20, 22, 24, 188; xiv., 127, 241; xvi., 51, 
242, 324. 
Phegopteris, vii., 68, 118, viii., 60; 1x., 22, 50; 
M., 1015-e1., 8, 86, 67s xii; 4: Xiv., BOG; 
XV., 229, 251, 264; xvi., 290. 
Philadelphus, vil., 52; x., 69; xlii., 287; xiv., 
195, 196, 243; xv., 224; xvi , 270. 
Philesia, xv., 107. 
Philodendron, xvi., 230. 
Philonotis, xv., 185; xvi., 110. 
Phippsia, ix., 135; xili., 42. 
Phieospora, xiv., 196; xv., 145. 
Phieum, vii., 61, 118, 125; ix., 135; x., 63; xi., 
120; xii., 25; xvi., 290. 
Phiomis., xv., 326. 
Phlox, vii., 12, 26, 49, 82, 113; vili., 125; ix., 6; 
X., 9; xif., 25; xiil., 115; xiv., 102; xv., 25, 
178, 243, 326. 
Phiyctzena, xiv., 196. 
Pheenix, ix., 83. 
Pholisma, x., 106; xv1., 335. 
Phoma, vii., 90; viii., 125; x., 89; x1., 73; xiv., 
244; xv., 54; x¥1; 31, 204, 
Phoradendron, vii., 101; xi., 76, 87; xiii., 13; 
Xiv., 108; xvi., 244, 311. 
Phorima, xili., 37. 
Phormidium, vii , 43; vili., 38; ix., 25; xii., 129. 
Phragmidium, xv., 55; xvi., 196. 
Phragmites, viii., 120; ix., 135; x., 8, 65; xvi., 
290. 
Phryma, Vii., 18; xI., 115; xiii., 95; xvi , 289. 
Phyllactidum, Xv., 327. 
Phyllactinia, xiv., 193; xv., 55. 
Phylanthus, vil., ‘112, 125; XL, 47; ‘Xxiv., 162. 
Phyllepidium, xii., 37. 
Phyliitis, xili., 107; xiv., 4, 172; xv., 311. 
Phyllophora, x., 56; Xili., 111; xv., 313, 314. 
Phyllospadix, xiii, 160. . 
Phyllosticta, x , 49, 97; xi, 115; xifil., 65; xiv., 
244; xv., 54, 145; xvi., 231. 
Physalacria, ix., 2, 4. 
Physalis, ix., 122, 150; x., 81; x1.; 42; xiv., 79, 
164, 219; XV., 219; xvi., 144. 
Physalospora, xiv., 15, 38, 207, 245; xvl., 121. 
Physarella, ix., 61, 62. 
Physarum, ix., 61; xi., 50. 
Physcomitrium, xv., 185; xvi., 94 
Physcia, X., 43; xv., 172, 184. 
Physcidia, xiv., 222. 
Physianthus, xvi., 58. 
Physostegia, vii., 19; vii, 28; xii., 
Physostigma, xiil., 21, 28, 24. 
Phytolacca, x., 90; xili., 225; xlv., 148; xvl., 
289. 
Phytonomus; xiil., 30. 
Phytophthora, xiv., 245; xvi., 231. ee 
Phytoptus, xvi., 339. : i eo 
39; xv., 302. 
