Peyote buttons, 67, 82 
Peyote cimarron, 62, 82 
Peyotillo, 67, 83 
Peyotl Xochimilicensis Hernand., 
63, 78 
Peyotl Zacatensis.... Hernand., 
63, 84 
PHAIUS Lour. 
Graeffei Reichb f., 133 
grandjfoltus Lour., 133 
Tankervilliae ( Banks) B1., 
133 
PHAJUS Lindl. 
Blumei Lindl., 133 
Incarvillei O. Ktze., 133 
PHREATIA Lindl. 
cauligera Reichbf., 136 
Graeffei Krdnzl., 136 
oreophylax Reichb fi, 136 
sphaerocarpa Schiltr., 136 
stenostachya ( Reichb,f.) 
Kréinezl., 137 
upoluensis Schltr., 137 
vitiensis Rolfe ex Gibbs, 137 
PHISALIS £. 
sp., 74 
PHYSURUS L.C. Rich. 
platensis Hauman, 143 
PITHECELLOBIUM Mart. 
arboreum (L.) Urb., 83, 86 
Piule, 73, 74, 83 
PLAGIOZAMITES Zeill., 174 
PLATYZOMA R. Br., 145,157 
PLEUROTHALLIS R.Br. 
Broadwayi Ames, 92 
eardiothallis Reichb f., 102, 
103 
Matudiana C.Schweinf., 102 
membraniflora C. Schweinf. ,91 
phyllocardia Reichb fi, 103 
PODOCHILUS Bi. 
pendulus Schltr., 132 
reflecus Sehitr., 132 
POGONIA Juss. 
sp., 110 
Jlabelliformis Lind]., 110 
PSEUDERIA ScdAltr., 118 
diversifolia J.J.Sm., 119 
platypbylla L.Wms., 118 
Smithiana C.Schweinf., 119 
PTEROPHYLLUM Brongn. 
carbonicum Schenk, 180 
Raiz diabolica, 68, 80 
RENANTHERA Lour. 
philippinensis ( Ames § Quis. ) 
L.Wms., 31 
Storiei Reichb f., 32 
var. philippinensis Ames & 
Quis., 31, 32 
RHAMPHIDLIA Lindl. 
rubicunda Reichb.f., 111 
RHYNCHOSIA Lour. 
longeracemosa Mart. & Gal., 
77, 78, 82, 83, 86 
RHYNCHOSTYLIS Bi. 
densiflora ( Lindl.) L.Wms., 
58 
RIVEA Choisy 
corymbosa (L.) Hall f., 74, 
75, 76, 81, 83 
SACCOLABIUM B1., 138 
Bertholdii Reichb f., 138, 139 
constrictum Reichb,f., 138, 
139 
densiflorum Lindl., 58 
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