Platyspermum, 68, 
450. 
Platystemon, 43, 447. 
Platystigma, 43, 447. 
Pleurandra, 368. 
Pleurendotria, 348. 
Pleurospermum, 413. 
Pleurostemon, 368. 
Plotzia, 115. 
Podalyria, 203-205, 
261. 
Podolobus, 451 
Podophyllum, 35, 446. 
Podophyllum, 35. 
Podosciadium, 431. 
Polanisia, 77. 
Polycarpon, 105, 454. 
Polycarpon, 114, 411, 
455 
Polygala, 89, 453. 
POLYGALACE&, 89, 
453. 
Polytznia, 431. 
Pomaria, 224. 
Ponista, 338. 
Porcelia, 31, 32. 
Porliera, 149. 
Portulaca, 120, 456. 
Portulaca, 411. 
PoRTULACACE, 116, 
455. 
Potamogeton, 357. 
Potentilla, 293, 465. 
Potentilla, 282, 285, 
287-289, 320. 
Poteridium, 302. 
Poterium, 302. 
Prinos, 157, 159-161. 
Proserpinaca, 357. 
Prosopis, 251, 464. 
Prunus, 303, 465. 
Pseudacacia, 257. 
Pseudopetalon, 155. 
Psidium, 359, 466. 
Psoralea, 252, 464. 
Psoralea, 194, 199, 
211-213, 247, 249, 
256. 
Ptelea, 154, 459. 
Ptilimnium, 420. 
Prilophyllum, 356. 
Pulsatilla, 3, 5, 443. 
Purshia, 309. 
Pyrus, 272, 273, 276, 
390. 
Pythagorea, 361, 362. 
Pyzxidanthera, 328. 
Queria, 114-116. 
Quinaria, 170. 
Radiana, 467. 
Rafinesquia, 225. 
Rafnia, 205. 
RANUNCULACE, 1, 
443. 
Ranuneulus, 15, 444, 
467. 
Ranunculus, 8. 
Raphanus, 68, 450. 
Rapistrum, 449. 
Redoutea, 457. 
RESEDACEA, 78, 452. 
INDEX. 
Reseda, 452. 
Reseda, 78, 444. 
Resedella, 78. 
RHAMNACE, 163, 
460. 
Rhamnus, 168, 460. 
Rhamnus. 163, 164, 
167, 168, 170, 460. 
Rhexia, 374, 466. 
Rhizophora, 358. 
RHIZOPHORACE&, 
358. 
Rhodiola, 351. 
Rhus, 181, 462. 
Rhynchosia, 255. 
Ribes, 331, 465. 
Riedleia, 458. 
Robertsonia, 341, 344. 
Robinia, 256, 464. 
Robinia, 258. 
Robsonia, 337. 
Romneya, 43, 447. 
Roripa, 66. 
Rosa, 309, 465. 
RosacE&, 270. 
Roscyna, 128. 
Rubus, 314, 465. 
Ruta, 155. 
Rutace, 154, 459. 
Rutosma, 155. 
Sabbatia, 360. 
Sageretia, 169. 
Sageretia, 169. 
Sagina, 105, 454. 
Sagina, 101, 111. 
Sanguinaria, 43, 447. 
Sanguisorba, 302. 
Sanicula, 431. 
SAPINDACES, 174, 
461. 
Sapindus, 180, 461. 
Saponaria, 106. 
Saponaria, 107. 
Sarazina, 447. 
Sarcomphalus, 169. 
Surothamnus, 463. 
Sarothra, 126-129. 
Sarracenia, 39, 447. 
SARRACENIACES, 39, 
447. 
Sataria, 415. 
Savia, 462. 
Saxifraga, 338, 465. 
Saxifraga, 322-324, 
328, 348. 
SAXIFRAGACE&, 323, 
465. 
Scandiz, 416, 418, 427. 
Scheefferia, 163. 
Schinus, 184, 462. 
Schinzonotus, 321. 
Schizandra, 31. 
Schizocarya, 368, 369. 
Scheepfia, 459. 
Schrankia, 257. 
Scleranthus, 116. 
Sculeria, 36. 
Scutia, 170. 
Sedum, 351, 465. 
Sedum, 349, 350. 
Segregatia, 170. 
Selenia, 68. 
Selinum, 432. 
Selinum, 418, 419. 
Semetum, 450. 
Sempervirum, 352. 
Senebiera, 68, 450. 
Senega, 93. 
Sericodes, 149. 
Serjania, 180, 461. 
Serjania, 180. 
Sesbania, 258. 
Seseli, 416, 426, 428, 
430. 
Sesuvium, 411. 
Shortia, 47. 
Sibbaldia, 320. 
Sibbaldia, 274, 287, 
288. 
Sicydium, 395. 
Sicyoides, 395. 
Sicyos, 395. 
Sicyos, 171, 394. 
Sicyosperma, 396. 
Sida, 140, 457. 
Sida, 131, 132, 137- 
139, 142 144, 457. 
Sidalcea, 142, 457. 
Sidalcea, 143. 
Sieversia, 282-285. 
Silene, 106, 454. 
Silene, 104, 105, 361. 
Siliquastrum, 209. 
Simaruba, 156. 
SIMARUBE.-X, 156,459. 
Sinapis, 51. 
Siphonychia, 116. 
Sison, 411-414, 417, 
420, 430, 433, 434. 
Sisymbrium, 68, 450. 
Sisymbrium, 47, 49, 
51-53, 5d, 63-67, 
448. 
Sium, 433. 
Sium, 412-415, 417, 
418, 420, 434, 435. 
Siumis, 433. 
Smelowskia, 70, 451. 
Smelowskia, 69. 
Smyrnium, 422, 429, 
430, 433, 434. 
Solea, 81. 
Sophora, 258. 
Sophora, 203-205. 
Sorbus, 290-292. 
Spartium, 211. 
Spatularia, 342. 
Spergula, 110, 455. 
Spergula, 98, 103, 105, 
106, 111. 
Spergularia, 102-104, 
454. 
Spergulastrum, 96, 
111, 112. 
Spermolepis, 412. 
Sphenosciadium, 432. 
Spheralcea, 143, 458. 
Spheralcea, 138, 457. 
Spheroma, 143. 
Spherostigma, 377- 
380, 382, 383, 386. 
Spirea, 320, 465. 
Spireea, 286, 289, 290, 
393 
323. 
Spraguea, 121, 456. 
475 
Stanleya, 71, 451. 
Stanleya, 72, 76. 
Staphylea, 181, 461. 
Staphylodendrum, 
181. 
Stetranisia, 341, 345. 
Stellaria, 110, 455. 
Stellaria, 96, 101. 
Stenosiphon, 388. 
STERCULIACE, 144, 
458. 
Stipulicida, 114. 
Streblanthus, 421. 
Streptanthus, 71, 451. 
Streptanthus, 47-49, 
5d, 72, 73, 451. 
Strombocarpa, 251, 
252. 
Strophostyles, 250. 
Stuartia, 130, 457. 
Stylipus, 286. 
Stylophorum, 43. 
Stylosanthes, 259. 
Stylosanthes, 254. 
Styphnolobium, 258. 
Styphonia, 183. 
Subularia, 72. 
Subularia, 448. 
Sullivantia, 347, 465. 
Suriana, 459. 
Swietenia, 157. 
Sympetaleia, 391. 
Syndesmon, 25. 
Synstima, 157. 
Synthlipsis, 72. 
Syringa, 331. 
Syrmatium, 228. 
Talinopsis, 121. 
Talinum, 121, 456. 
Talinum, 116. 
TAMARISCINE&, 121, 
456. 
Tamarix, 456. 
Tuuschia, 422. 
Telesonix, 342. 
Tellima, 348. 
Tephrosia, 259. 
Tephrosia, 220. 
Terminalia, 358. 
Ternatea, 463. 
TERNSTR@MIACE®, 
130. 
Tesota, 244. 
Tetrapoma, 66. 
Thalictrum, 25, 445. 
Thalictrum, 6, 27. 
Thamnosma, 155, 
459. 
Thapsia, 418, 434. 
Thaspium, 433. 
Thaspium, 417, 425, 
426, 420. 
Thelypodium, 72, 451. 
Thermia, 261. 
Thermopsis, 260. 
Therofon, 323. 
Thlaspi, 73, 451. 
Thlaspi, 52, 54, 65. 
Thutbawi. 136. 
Thylax, 155. 
Thyrsanthus, 270. 
