TNDEX. 



G27 



Petrophytum, 170. 

 Petunia, 546. 

 Peucedanum, 267. 

 IVuccphylluin, 4o9. 

 Pkaca, 140, 148-151 



155. 

 Phacelia, 506. 

 Phacelia, 505, 515. 

 Pliwiislijiiui, 202. 

 Phalacroloma, 331. 

 Phala< -rusi.-ris, 42:1. 

 Phclipcca, 5S4, 5S5. 

 Plh-lhiiidi-iiim, 204. 

 Philadelphus, 202. 

 Phlox, 486. 

 PMox, 493. 

 Ph&nicaulis, 35. 

 Pholisma, 164. 

 Pholmia, 188. 

 Phyllodoce, 450. 

 Phyllopappus, 423. 

 Physalis, 540. 

 Physaria, 47. 

 Pickeringia, 114. 

 Picradenia, 394. 

 Pierothamnus, 404. 

 Pilocereus, 217. 

 Pimpernel, 169. 

 Pimpinella, 259. 

 Pin-clover, 95. 

 Pin-grass, 95. 

 Pine-sap, 462. 

 Pinedrops, 461. 

 Pingnicula, 586. 

 Pips issewa, 459. 

 Piptoealyx, 527. 

 Pirns, 188. 

 Pistacia, 109. 

 Pilavia, 98. 

 II igiobothrys, 526. 

 Pi.\m\<;ivut..e, 610. 

 Plantago, 010. 

 Plantain, 610. 

 Platopuntia, 248. 

 Platycarpos, 121. 

 Platyspennnm, 27. 

 II- itemon, 19. 

 Platystigma, 20. 

 Plei i litis 287. 

 Pleui icoi pom, 463. 

 Pleurogyne, 478. 

 Pluchea, 384. 

 Plum, 166. 



PLCMBAOIN IOE B, 165. 



Pneui anthe, 481. 



Podo i iadium, 268. 

 Pogogyne, 696. 



n Hemlock, 258. 

 Poi on i lak, 110. 

 Polanisia, 50. 

 POI EMON] Ml i . 485. 



Polei iuin, 199. 



Polycarpon, 71. 

 Polj 1 1 1, 58. 



Pill. Y.: W Ml B, 58. 



Polypappus, 334. 

 Pomi >. 166. 

 Pond-Lily, 17. 



Porophyllum, 398. 

 Parti rella, 444. 

 Portulaca, 73. 



PnUlTl.Ar.ME.E, 73. 



Potato, 558. 

 Potentilla, 177. 

 Pol.cnUlli, 181, 1S4. 

 PoU ridmrn, 186. 

 Poterium, 1S6. 

 Prenant/tes, 42S. 

 Primrose, 468. 

 Primula, 468. 

 Primuxacke, 466. 

 Prince's Pine, 459. 

 Prosopis, 102. 

 Prunus, 166. 

 Psathyrotes, 409. 

 Psilocarphus, 330. 

 Psilocarphus, 337. 

 Psiloehenia, 435. 

 Psoralea, 139. 

 Ptelea, 97. 

 Pterospora, 461. 

 PU rostephanus, 431. 

 Ptilocalyx, 520. 

 Ptilomeris, 378. 

 Ptilophora, 423. 

 Puccoon, 522. 

 Pugiopappus, 054. 

 PulmonaTia, 523. 

 Pulsatilla, 3. 

 Purshia, 173. 

 Purslane, 73. 

 Pycnanthemum, 592. 

 Pyrola, 460. 

 Pyrola, 459, 400. 

 P'li-riKumn, 011, 312, 



815. 

 Radish, 49. 

 Rannesnuia, 429. 

 Ragweed, 044. 

 RaUlardclla, 416, 618. 



RXNUNCULACEfi, 2. 



Ranunculus, 5. 

 Raphanus, 49. 

 Raspberry, 171. 

 I, 1 ittleweed, 144. 

 Red-bud, 160. 

 Red i lover, 128. 

 Redwood, 104. 

 Relbunium, 283. 

 i.'. eda, 53. 



I,' l H DAI I B, 53. 

 Nil AMVMT..K, 99. 



Rh imnus, 100. 

 Rhododendron, 457. 

 Rhus, 109. 

 RhijncJiolepis, 435. 



, 206. 

 Ribes, 204. 



. 010. 

 Riddi ii.-. 872. 

 Rigiopappus, 887. 



.nil. 204. 

 Romanzoffia, 516. 

 Roinnej 



I... ' 187. 



Ros mii, lii I. 



Pose, 1S7. 

 Ro i Bay, 458. 

 Rosinweed, 361. 

 RubiacEjE, 281. 

 Rubus, 171. 

 Rudbcckia, 347. 

 Ruellia, 588. 

 1,'rr.M K.E, 90. 

 Rutosma, 97. 

 Saecularia, 551. 

 Sage, 598. 

 Sage-bush, 402. 

 Sagina, 70. 

 St. John's-wort, SO. 

 Salal, 454. 

 Salazaria, 604. 

 Salmon-berry, 171. 

 Salpiglossis, 546. 

 Salsify, 422. 

 Salvia, 598. 

 Sambncns, 277. 

 Samolus, 470. 

 Sand-Spurrey, 71. 

 Sandwort, 68.. 

 Sanpicisorba, 186. 

 Sanicle, 255 

 Sanicula, 255. 

 Santolina, 401. 

 Sai-inh.mt.k, 105. 

 Saracha, 540, 541. 

 San-odes, -102. 

 Sarcostemma, 477. 



SARRAOENIACE2B, 17. 



Sa rifraga, 192. 

 Saxifraga, 196. 

 Saxifragace*, 192. 

 Saxifrage, 192. 

 Schmus, 109. 



arya, 201. 

 Sehizonotus, 477. 

 Srf, runir/iiii. 000. 



Scorpion-Grass, 522. 



Si Delia, 121. 



Screw-bean, 162. 

 Screw-pod Mesquite, 



103. 

 Scrophularia, 552. 



SOROPHULAR] U l l , 



546. 

 Scutellaria, 602. 

 Sea-Milkwort, 469. 

 Sea-Purslane, 251. 

 Scdum, 209. 

 Scdum, 211, 212. 

 Self-heal 604. 

 Selinum, 204. 

 i, 266. 

 Semporvivum, 20S. 

 Senebiera, I s . 

 Senecio, HO, 618. 



. 134. 

 Senna, 161. 



i pus, 319. 



. 189. 



Soriphidium, 105. 



Scrvico-berry, 189. 



!6 

 Si -u\ iuin. 251. 



Shepherd's Purse, 44. 

 Slutrtia, :J7>. 

 Srbbaldia, 180. 

 Sida, 86. 

 Sida, S3, 84, 87. 

 Sidalcea, 83. 



rsia, 176. 

 Silene, 62. 

 Silybum, 421. 

 Silkweed, 474. 

 Simsia, 351. 

 Sinapis, 39. 

 Siphocalyx, 207. 

 Siphonella, 492. 

 Sisymbrium, 40. 

 Sium, 261. 

 Shim, 260. 

 Skullcap, 602. 

 Small Manzanita, 453. 

 Smelowskia, 42. 

 Smelmoskia, 41. 

 Snapdragon, 54S. 

 Sneeze-weed, 392. 

 Snow- Plant, 402. 

 Snowberry, 279. 

 Snowbush, 103. 



SOLANAI E.K, 507. 



Solanum, 538. 

 Solanum, 538. 

 Solidago, 318. 

 Solidago, 314. 

 Soliva, 400. 

 Sonchus, 442. 

 Soncltus, 4 12. 

 Sophora, 1 14. 

 S.. i-l, us, 1.SH. 

 Sow-Thistlo, 442. 

 Spanish Needles, 357. 

 Spearmint, 592. 

 Specularia, 442. 

 Speedwell, 572. 

 Spergula, 7". 



! . 7n. 



'aria, 71. 

 Sphacele, 598. 

 Spha in . 265. 



Sphseralcea, 86. 

 . S7. 

 Spha romi ria, 617. 

 Spluerostigma, 225. 

 Spikenard, 270. 

 SpilatUhes, 397. 

 Spindle-tree, 98. 

 Spinea, 169. 

 Spinea, 171. 

 Spraguea, 77. 

 ■ I 605. 

 Stanleya, 38. 

 Staphylea, 108. 

 Star-flower, 168. 

 Star-Thistle, 121. 

 Statico, 165. 



. 165. 

 7"".'. 520. 

 Stollari 

 Stemodia, 570. 



10, 331. 

 Stcnotus, 311. 



