192 INDEX OF SPECIES. 
Page 
Panicum trichodes, Sw. ‘ j elee! s&s 
Paritium tiliaceum, St. Hil. é anc 6S 
Parkinsonia aculeata, Linn. . é pee OT 
Paspalum paniculatum, Linn. . ‘ yk T? 
Passiflora biflora, Linn. , ‘ . 100 
feetida, Linn... ‘ . 100 
littoralis, Humb. et Kunth ; . 100 
quadrangularis, Linn. . ‘ - 100 
rubra, Linn. ; ‘ j . 100 
suberosa, Linn. . - é Pere ahs 
Paullinia barbadensis, Jacq. ‘ < 00 
curassavica, Linn. ‘ é gong 
fuscescens, Humb. et Kunth ‘ ree A 
Pavonia mexicana, Humb. et Kunth eer 68 
typhaleoides, Humb. et Kunth . + 06 
Pectis arenaria, Benth. é . rere 2 |) 
nultiseta, Benth. : j ei Qe 
taliscana, Hook. et Arn. : ea 
Pedilanthus macrocarpus, Benth. (Pl. XXIII. A.) 49 
Pennisetum purpurascens, Humb. et Kunth . 177 
Pentagonia macrophylla, Benth. (Plate XXXIX.) 105 
Perityle californica, Benth. (Plate XV.) - ae 
microglossa, Benth. : . okie 
Petiveria alliacea, Linn. é : ees 2s) | 
Phaca candidissima, Benth.  . : aes 
vestita, Benth. . . ‘ 1 
Pharbitis heterosepala, Benth. . : - 134 
hispida, Chois. . : : - 134 
nil, Chois. é ‘ : 62185 
Phaseolus amplus, Benth. ‘ . BG 
filiformis, Benth. " ‘ ee 
gracilis, Benth. ‘ , » 85 
truxillensis, Humb, et Kunth . poe BS 
vulgaris, Linn. . : ; 8 BS 
Photinia arbutifolia, Lindl. . ; ed f | 
Phyllanthus floribundus, Humb. et Kunth - 166 
Niruri, Linn. . : 4 . 166 
tenellus, Benth. j ; 5°65 
Physalis crassifolia, Benth. é ‘ eee || 
glabra, Benth. . , . . 389 
Linkiana, Nees ‘ . roe 3 
Phytolacca octandra, Linn. =. ‘ - 1659 
Picrosia longifolia, Don : ~ 4322 
Pinguicula lilacina, Cham. et Schicchs: po: BBS 
Pinus insignis, Dougl. . ‘ ‘ 1 OS 
Piper begoniefolium, Hook. et Arn. . 
ellipticum, Hook. et Arn, 
fragile, Benth. 
Piptadenia patens, Benth. 
Piqueria densiflora, Benth. 
trinervis, Cav. 
Piscidia erythrina, Linn. . 
Pistia stratiotes, Linn. . 
Pithecoctenium muricatum, DC. 
Pithecolobium candidum, Benth. 
dulce, Benth. 
macrostachyum, Benth. 
multiflorum, Benth. 
oblongum, Benth. 
Planarium latisiliquum, Desv. (Plate XXX.) 
Platanus californicus, Benth. 
Plumbago scandens, Linn. 
Plumeria rubra, Linn. 
Podopterus mexicanus, Humb. et Kunth 
Poinciana pulcherrima, Linn. . ‘ 
Poinsettia pulcherrima, Grah. 
Polygala hebantha, Benth. 
paniculata, Linn. 
rivineefolia, Humb. et Kunth 
Polygonum acre, Humb. et Kunth 
persicarioides, Humb. et Kunth 
Porophyllum gracile, Benth. 
tridentatum, Benth. 
viridiflorum, DC. 
Portulaca oleracea, Linn. 
Posoqueria decora, DC. 
Pothomorphe peltata, Miq. 
Priva lappulacea, Pers. . . 
Psidium pyrifolium, Linn. . : 
Psoralea macrostachya, DC. 
orbicularis, Lindl. ‘ ‘ 
Psychotria acuminata, Benth. 
fimbriata, Benth. 
justicioides, Schlecht. . : 
micrantha, Humb. et Kunth 
viridis, Benth, 
Pterostegia macroptera, Benth. : 
Puya heterophylla, Lindl. 
Quamoclit coccinea, Chois. ‘ ‘ 
Page 
167 
167 
181 
89 
110 
110 
81 
169 
129 
91 
91 
91 
91 
91 
81 
54 
155 
126 
160 
87 
161 
67 
67 
67 
159 
159 
29 
30 
118 
102 
103 
167 
152 
97 
11 
11 
107 
107 
107 
106 
106 
44 
174 
133 
