INDEX. 



455 



Piper pyrifolium, iii. 57. 



realejoanum, iii. 54. 



rqflexum, iii. 64. 



reticulatum, iii. 54. 



reticulosum, iii. 54. 



— — rohrii, iii. 54. 



rotundifolium, iii. 59. 



ruizianum, iii. 54. 



salieinum, iii. 54. 



sanctum, iii. 55. 



sanjoseanum, iii. 55. 



scabrifolium, iii. 55. 



scandens, iii. 65. 



schiedeanum, iii. 45. 



schlechtendalianum, iii. 55. 



septuplinervium, iii. 55. 



smttacifolium, iii. 55. 



sororium, iii. 55. 



stipulaceum, iii. 55. 



striatum, iii. 55. 



subfuscum, iii. 55. 



teapense, iii. 55. 



tenuifolium, iii. 56. 



terminate, iii. 57. 



■ tigerianum, iii. 56. 



tilicefolium, iii. 57. 



trinerve, iii. 56. 



triquetrum, iii. 56. 



tuberculatum, iii. 56. 



turrialvanum, iii. 56. 



uhdei, iii. 56. 



umbellatum, iii. 56. 



unguiculatum, iii. 56. 



urostachyum, iii. 57. 



variifolium, iii. 57. 



veraguense, iii. 57. 



verbascifolium, iii. 57. 



verruculosum, ii. 57. 



wagneri, iii. 57. 



yucatanense, iii. 57. 



zacuapanum, iii. 57. 



PIPERACE^E, iii. 44 ; iv. 84. 



Piperacece, iv. 191, 202, 217, 229, 

 231, 259. 



PlPTADENIA, i. 343. 



Piptadenia fcetida, i. 343. 



patens, i. 343 ; iv. 32. 



Piptatherum acuminatum, iii. 484. 

 Ptptocakpha, ii. 75. 

 Piptocarpha chontalensis, ii. 75. 

 Piptolepis phillyreoides, ii. 305. 

 Piquebia, ii. 77. 

 Piqueria pilosa, ii. 77. 



serrata, ii. 77. 



triflora, ii. 77. 



trinervia, ii. 78. 



trinervia, ii. 77. 



Pirigara insignis, i. 413. 

 —7 — speciosa, i. 413. 

 Piriqueta, iv. 230, 244. 



cistoides, i. 474 ; iv. 39. 



odorata, iv. 39. 



Pironneava spectabilis, iii. 315. 



Piscidia, i. 319. 



Piscidia erythrina, i. 319 ; iv. 99, 



112. 

 Pisonia, iii. 8. 

 Pisonia, iv. 258. 

 Pisonia aculeata, iii. 8. 



hirtella, iii. 9. 



mexicana, iii. 9. 



pacurero, iii. 9. 



Pistacia, i. 221. 



Pistacia mexicana, i. 221 ; iv. 25. 



Pistia, iii. 417. 



Pistia obcordata, iii. 417. 



occidentalis, iii. 417. 



schleideniana, iii. 417. 



spathulata, iii. 417. 



stratiotes, iii. 417. 



texensis, iii. 417. 



Pitcaienia, iii. 315. 



Pitcairnia albiflos, iii. 315. 



asterotricha, iii. 315. 



atrorubens, iii. 315. 



cernua, iii. 316. 



echinata, iii. 315. 



elata, iii. 315. 



exseapa, iii. 316. 



ferruginea, iii. 315. 



fulgens, iii. 316. 



gireoudiana, iii. 316. 



heterophylla, iii. 316. 



imbricata, iii. 316. 



jacksoni, iii. 316. 



karwinskiana, iii. 316. 



montalbensis, iii. 316. 



moritziana, iii. 316. 



morrenii, iii. 316. 



ochroleuea, iii. 317. 



odorata, iii. 317. 



petiolata, iii. 317. 



punicea, iii. 317. 



ring ens, iii. 316. 



splendens, iii. 316. 



tabulseformis, iii. 317. 



vallisoletana, iii. 317. 



zeifolia, iii. 317. 



PrrHECOCTENiTJM, ii. 493. 



Pitheeoctenium aubletii, ii. 493. 



buccinatorium, ii. 490. 



cinereum, ii. 493. 



hexagonum, ii. 493. 



laxiflorum, ii. 493. 



Pitheeoctenium muricatum, ii. 493. 



panamense, ii. 493. 



PlTHECOIiOBIXJM, i. 359. 

 Pitheeolobium, iv. 161. 

 Pithecolobium acatlense, i. 359. 



albicans, i. 359. 



bertolonii, i. 359. 



brevifolium, i. 359. 



cognatum, i. 359. 



dulce, i. 359. 



elacbistophyllum, iv. 33. 



filicifolium, i. 360. 



fragrans, i. 360. 



furcatum, i. 360. 



hymeneaefolium, i. 360. 



lanceolatum, i. 360. 



latifolium, i. 360. 



ligustrinum, i. 360. 



macrostachyum, i. 360. 



multiflorum, i. 360. 



oblongum, i. 360 ; iv. 112. 



palmeri, i. 360 ; iv. 33. 



panamense, i. 360. 



parvifolium, i. 361. 



saman, i. 361. 



schaffneri, iv. 33. 



sericiflorum, iv. 99. 



sophorocarpum, i. 361. 



unguis-cati, iv. 112. 



Pittoniotis protracta, ii. 42. 



trichantha, ii. 42. 



Pittosporece, iv. 173. 



Pityrophyttum, iii. 319. 



Pxacocabpa, ii. 45. 



Placocarpa mexicana, ii. 45. 



Plagiogyria cequidetitata, iii. 627. 



biserrata, iii. 627. 



costaricensis, iii. 626. 



semicordata, iii. 627. 



Plagiophyllum grandiflorum, i. 415. 



parvifolium, i. 415. 



Planarium latisiliquum, i. 268. 



PLANTAGINE^E, ii. 574; iv. 81, 

 107. 



Plantaginece, iv. 189, 204, 225. 



Planta&o, ii. 574. 



Plantago, iii. 700. 



Plantago aristata, ii. 575. 



bernoulliana, ii. 575 ; iv. 81. 



caulescens, iv. 82. 



cumingiana, ii. 575. 



floccosa, ii. 575. 



galeottiana, ii. 575. 



galeottiana, iv. 293. 



hirtella, ii. 575. 



major, ii. 575 ; iv. 107 



mexicana, ii. 575. 



