INDEX OF GENERA AND SPECIES. 
Page 
Naias (continued) 
graminea, Del. . . 226 
horrida, Al. Br. . . 228 
interrupta, K.Schum. 
228 
madagascariensis, 
Rendle . . 228 
marina, 
var. muricata, 
Al Br. . 226 
minor, All. 22 
pectinata, Magnus . 228 
Sch weinfurthii, 
Magnus . 227 
Welwitschii, Rendle 227 
Nemum 
spadiceum, Desv. . 448 
Nephthytis . . . 169 
Afzelii, Schott = algal 
constricta, NV.H.Br. 170 
liberica, N.E.Br.  . 171 
picturata, N.E.Br. . 172 
Poissoni, N.H#.Br. . 171 
Oligogynium . 170 
constrictum, Engl. . 170 
Gravenreuthit, Engl. 171 
libericum, Engl.. . 171 
Poissoni, Engl. . . 171 
Oacocalamus. . 110 
acanthocnemis, 
Drude . ~ bbl 
Mannii, Wendl. . 111 
Ophryoscleria 
racemosa, Nees. . 508 
Oreograstis 
Emini, K. Schum. . 483 
Ouvirandra 
Heudelotii, Kunth . 217 
Hildebrandtii, Hort. 
Berol. . . . . 218 
Pachymitra 
. candida, Nees . . 481 
Peepalanthus. . 262 
pulvinatus, V.2.Br. 263 
Wahlbergii, Koern. 263 
Welwitschii, Rendle 262 
Palisota . 27 
ambigua, C.B.Cl. . 31 
Barteri, Hook. f. . 29 
bicolor, Mast. . . 32 
bracteosa, C.B.Cl. . 28 
congolana, Hua . 32 
hirsuta, K.Schum, 32 
laxiflora, C.B.Cl. . 30 
Maclaudii, Cornu . 32 
Mannii, C. B. Cl. 20 
micrantha, K, ‘Schum. 31 
Page 
Palisota (continued) 
ombrophila, K.Schum.29 
plagiocarpa, Hua . 32 
preussiana, A. Schum. 30 
prionostachys, C. B.Cl. 32 
prionostachys, Cum- 
MINS = 26s. | 32 
Sch weinfurthii, 
O.B.Cl.. 29 
Schweinfurthii, 
CBC... 30 
Tholloni, Hna 31 
thyrsiflora, Benth. . 31 
Palma 
conifera, C. Baub. . 106 
vimfera Theveti, C. 
Bauh. 106 
PALM# . 97 
PANDANEX 127 
Pandanus 127 
barterianus, Rendle 133 
Candelabrum, Beawv. 132 
Candelabrum, Hcok. 131 
Goetzei, Warb.. . 130 
Hahnii, Warb. . . 130 
Heddei, Warb. . . 129 
heudelotianus, Balf. f. 
131 
kamerunensis, Warb. 132 
Kirkii, Rendle . 129 | 
leonensis, Hort. Lodd. 
133 | 
livingstonianus, 
Rendle . 2 1B UI 
Petersii, Warb.. . 131 
platycarpus, Warb. 129 
rabaiensis, Rendle . 130 
sessilis, Boj. . . 133 
Stuhlmannii, Warb. 130 
Teuszii, Warb. . . 133 
thomensis, Henrig. . 129 
Welwitschii, Rendle 131 
Papyrus 
Antiquorum, Link . 374 
Antiquorum, Willd. 374 
mossambicensis, Parl. 375 
Sicula, Parl. . . 374 
venustus, Nees. . 472 
Pentasticha . . . 461 
madagascariensis 
Turcez. . 465 
Philodendron 
sp., Hook. 198 
Phenix. . ..- . - 102 
abyssinica, Drude . 102 
dactylifera, Eng}. . 103 
dactylifera, Linn 102 
leonensis, Lodd 103 
reclinata, Jacq. . . 103 
Phenix (continued) 
senegalensis, Van 
Houtte . Oe 
spinosa, Schum. & 
Thonn. . 
Phucagrostis 
ciliata, Ehrenb. & 
Hempr. 
Pistia . Sooke 
cethiopica, Fenzl 
africana, Pres] . 
Leprieuri, Bl. 
natalensis, Garcke . 
natalensis, Klotzsch 
Stratiotes, Zinn. 
Platylepis 
brasiliensis, Kunth. 
capensis, Kunth. 
Podococcus . . . . 
Barteri, Mann & 
Wendl. . 
Pollia . TE 
condensata, C.B.Cl.. 
Mannii, C.B.Cl. . 
Polygala 
axillaris, Poir. . 
Polyspatha . . . . 
paniculata, Benth. . 
Pontederia 
natans, Beauv. . 
| PoNTEDERIACEZ: 
Posidonia 
serrulata, Spreng. . 
Potamogeton . . 
acutifolius, Link 
alpinum, Balb. . 
americanus, Cham. . 
var. Lichardi, 
Solms-Laub. 
coloratum, Hornem.. 
crispnm, Linn. . 
densum, Linn. 
filiforme, Pers. . 
fluitans, Roth 
foliosus, 
var. californicus, 
Morong . 
Friesti, Rupr. 
helodes, Dum. 
Hillii, Morong 
huillensis, Welw. 
javanicus, Hassk. . 
javanicus, Hassk. . 
Livingstonei, A, 
Benn, Ss 
longifolium, Gay 
lucens, Linn.. . 
var. fluitans, Coss. 
& Germ. 
