824 



INDEX 



Pine, Slash, 18. 



Pine, Southern, 17. 



Pine, Spruce, 28, 31. 



Pine, Sugar, 5. 



Pine, Swamp, 18. 



Pine, Table Mountain, 33. 



Pine, Torrey's, 34. 



Pine, White, 4, 5, 6, 8. 



Pine, Yellow, 14, 15, 29. 



Pinon, 10, 11, 12. 



Pinus, 2. 



Pinus albicaulis, 8. 



Pinus aristata, 9. 



Pinus Arizonica, 14. 



Pinus attenuate, 22. 



Piuus Biiliouriana, 8. 



Pinus Caribsea, 18. 



Piuus cembroides, 10. 



Pinus Chihuahuana, 14. 



Piuus clausa, 31. 



Pinus contorta, 26. 



Pinus contorta, var. Murrayana, 27. 



Pinus Coulteri, 24. 



Pinus divaricata, 27. 



Pinus echinata, 29. 



Pinus edulis, 11. 



Pinus flexilis, 7. 



Pinus glabra, 28. 



Pinus heterophylla, 18. 



Pinus Lambertiana, 5. 



Pinus monophylla, 12. 



Pinus monticola, 5. 



Pinus muricata, 32. 



Pinus palustris, 17. 



Pinus ponderosa, 15. 



Pinus ponderosa, var. Jeffrey!, 16. 



Pinus ponderosa, var. scopulorum, 



16. 



Pinus pungens, 33. 

 Pinus quadrifolia, 10. 

 Pinus radiata, 21. 

 Pinus resinosa, 25. 

 Pinus rigida, 20. 

 Pinus Sabiniana. 23. 

 Pinus serotina, 20. 

 Pinus strobiformis, 6. 

 Pinus Strobus, 4. 

 Pinus Tseda, 19. 

 Pinus Torreyana, 34. 

 Pinus Virginiana, 30. 

 Pisonia, 313. 

 Pisonia longifolia, 314. 

 Pisonia obtusata, 314. 

 Pitch Pine, 20, 24. 

 Pitch Pines, 12. 

 Planera, 296. 

 Planera aquatica, 297. 

 Plane-tree, 344. 

 PLATANACES, 343. 

 Platanus, 344. 

 Platanus occidentalis, 344. 

 Platanus racemosa, 346. 

 Platanus Wrightii, 347. 

 Plum, 509. 

 Plum, Canada, 511. 

 Plum, Chickasaw, 515. 

 Plum, Cocoa, 532. 

 Plum, Darling, C.r>9. 

 Plum, Downward, 744. 

 Plum, Guiana, 597. 

 Plum, Pigeon, 312. 

 Plum, Red. 511. 

 Plum, Wild, 512, 513, 517. 

 Plums, 510. 

 Poison Dogwood, 608. 

 Poison Sumach, G08. 

 Poison Wood, 603. 



POLYGONACE^E, 311. 

 POLYPETAL,K, 315. 



Pomette Bleue, 489. 

 Pond Apple, 328. 



Pond Pine, 20. 



Poplar, 152, 155. 



Poplar, Yellow, 325. 



Populus, 152. 



Populus acuminata, 160. 



Populus angustifolia, 159. 



Populus balsamifera, 157. 



Populus balsamifera, var. candi- 



cans, 159. 



Populus deltoidea, 163. 

 Populus deltoidea, var. occiden- 

 talis, 164. 



Populus Fremontii, 164. 

 Populus grandidentata, 155. 

 Populus heterophylla, 156. 

 Populus Mexicana, 162. 

 Populus tremuloides, 154. 

 Populus trichocarpa, 161. 

 Populue Wislizeni, 165. 

 Port Orford Cedar, 84. 

 Post Oak, 264. 

 Prickle-cone Pine, 32. 

 Prickly Ash, 582. 

 Prince Wood, 800. 

 Prosopis, 547. 

 Prosopis juliflora, 548. 

 Prosopis juliflora, var. glandulosa, 



549. 

 Prosopis juliflora, var. velutina, 



550. 



Prosopis pubescens, 550. 

 Prunus, 509. 



Prunus Alabamensis, 526. 

 Prunus Alleghaniensis, 516. 

 Prunus Americana, 512. 

 Prunus Americana, var. lanata, 



513. 



Prunus angustifolia, 515. 

 Prunus australis, 527. 

 Prunus Caroliniana, 527. 

 Prunus demissa, 523. 

 Prunus emarginata, 522. 

 Prunus emarginata, var. villosa, 



522. 



Prunus hortulana, 513. 

 Prunus hortulana, var. Mineri, 515. 

 Prunus ilicifolia, 530. 

 Prunus ilicifolia, var. integrifolia, 



531. 



Prunus integrifolia, 531. 

 Prunus nigra, 511. 

 Prunus Pennsylvanica, 521. 

 Prunus serotina, 524. 

 Prunus sphaerocarpa, 529. 

 Prunus subcordata, 517. 

 Prunus tarda, 519. 

 Prunus umbellata, 518. 

 Prunus umbellata, var. injucunda, 



519. 



Prunus Virginiana, 523. 

 Pseudophoenix, 114. 

 Pseudophoenix Sargenti, 115. 

 Pseudotsuga, 52. 

 Pseudotsuga macrocarpa, 54. 

 Pseudotsuga mucronata, 53. 

 Ptelea, 587. 

 Ptelea trifoliata, 587. 

 Pumpkin Ash, 772. 

 Purple Haw, 658. 

 Pyrus Americana, var. decora, 357. 



Quaking Asp, 154. 



Ecus, 220. 

 cus acuminata, 273. 

 'cus agrifolia, 256. 

 Quercus alba, 259. 

 Quercus Arizonica, 280. 

 rcus brevifolia, 250. 

 rcus breviloba, 275. 

 us Californica, 239. 

 Catesbaei, 240. 



Quercus Chapmani, 266. 

 Quercus chrysolepis, 257. 

 Quercus chrysolepis, var. Palmeri, 



258. 

 Quercus chrysolepis, var. vaccini- 



folia, 258. 



Quercus coccinea, 236. 

 Quercus densiflora, 225. 

 Quercus digitata, 242. 

 Quercus Douglasii, 277. 



jrcus dumosa, 283. 



;rcus dumosa, var. revoluta, 284. 



:rcus ellipsoidalis, 234. 



srcus Emoryi, 286. 

 Quercus Engelmanni, 278. 

 Quercus Gambelii, 263. 

 Quercus Garryana, 262. 

 Quercus Georgiana, 233. 

 Quercus heterophylla, 248. 

 Quercus hypoleuca, 252. 

 Quercus imbricaria, 251. 

 Quercus laurifolia, 249. 

 Quercus Leana, 252. 

 Quercus lobata, 261. 

 Quercus lyrata, 268. 

 Quercus macrocarpa, 267. 

 Quercus Marilandica, 245. 



icrcus Micliauxii, 271. 



.ercus minor, 264. 



ercus myrtifolia, 255. 



icrcus iiana, 241. 

 Quercus nigra, 246. 

 Quercus oblongifolia, 279. 



ercus pagodsefolia, 244. 



ercus palustris, 232. 



ercus Phellos, 247. 



ercus platanoides, 269. 



ercus Prinus, 272. 

 Quercus reticulata, 282. 

 Quercus rubra, 230. 

 Quercus Rudkini, 248. 

 Quercus Texana, 235. 

 Quercus tomentella, 258. 

 Quercus Toumeyi, 281. 

 Quercus undulata, 276. 

 Quercus velutina, 237. 

 Quercus Virginiana, 284. 

 Quercus Virginiana, var. maritima, 



286. 

 Quercus Virginiana, var. minima, 



286. 

 Quercus Wislizeni, 253. 



Red Ash, 770. 



Red Bay, 330. 



Red Birch, 198, 205. 



Red Cedar, 75, 94, 95, 96. 



Red Elm, 293, 295. 



Red Fir, 53, 65, 66, 67. 



Red Haw, 447. 



Red Ironwood, 659. 



Red Maple, 639, 641. 



Red Mulberry, 303. 



Red Oak, 230, 235, 244. 



Red Pine, 25. 



Red Plum, 511. 



Red Spruce, 41. 



Red Stopper, 697. 



Redbud, 552, 553. 



Redwood, 68. 



Retama, 560. 



Reynosia, 658. 



Reynosia latifolia, 659. 



Reynosia septentrionalis, 659. 



RHAMNACE*:, 657. 



Rhamnvlium fe/reum, 660. 



Rhamnus, 661. 



Rhamnus Caroliniaua, 663. 



Rhamnus crocea, 662. 



Rhamnus crocea, var. insularis, 663. 



Rhamnus crocea, var. pilosa, 663. 



